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Kirill Smelkov
slapos
Commits
e3367084
Commit
e3367084
authored
Oct 28, 2015
by
Kirill Smelkov
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Merge branch 'redis-vup' into next
* redis-vup: X redis: v↑ (2.8.23)
parents
6ca54762
2d5c2a5e
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component/redis/buildout.cfg
component/redis/buildout.cfg
+5
-2
slapos/recipe/redis/template/redis.conf.in
slapos/recipe/redis/template/redis.conf.in
+373
-87
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component/redis/buildout.cfg
View file @
e3367084
...
@@ -6,9 +6,12 @@ parts =
...
@@ -6,9 +6,12 @@ parts =
extends = ../tcl/buildout.cfg
extends = ../tcl/buildout.cfg
[redis]
[redis]
<= redis28
[redis28]
recipe = hexagonit.recipe.cmmi
recipe = hexagonit.recipe.cmmi
url = http
s://github.com/geoffgarside/redis/archive/ipv6
.tar.gz
url = http
://download.redis.io/releases/redis-2.8.23
.tar.gz
md5sum =
0eb594bd4e8ee746a0e2ef67b28cb5d8
md5sum =
ac7f43f845d0eedb8ae3e5e217b34c61
configure-command = true
configure-command = true
prefix =
prefix =
make-options =
make-options =
...
...
slapos/recipe/redis/template/redis.conf.in
View file @
e3367084
# Redis configuration file example
# Redis configuration file example.
#
# Note that in order to read the configuration file, Redis must be
# started with the file path as first argument:
#
# ./redis-server /path/to/redis.conf
# Note on units: when memory size is needed, it is possible to specify
# Note on units: when memory size is needed, it is possible to specify
# it in the usual form of 1k 5GB 4M and so forth:
# it in the usual form of 1k 5GB 4M and so forth:
...
@@ -12,6 +17,26 @@
...
@@ -12,6 +17,26 @@
#
#
# units are case insensitive so 1GB 1Gb 1gB are all the same.
# units are case insensitive so 1GB 1Gb 1gB are all the same.
################################## INCLUDES ###################################
# Include one or more other config files here. This is useful if you
# have a standard template that goes to all Redis servers but also need
# to customize a few per-server settings. Include files can include
# other files, so use this wisely.
#
# Notice option "include" won't be rewritten by command "CONFIG REWRITE"
# from admin or Redis Sentinel. Since Redis always uses the last processed
# line as value of a configuration directive, you'd better put includes
# at the beginning of this file to avoid overwriting config change at runtime.
#
# If instead you are interested in using includes to override configuration
# options, it is better to use include as the last line.
#
# include /path/to/local.conf
# include /path/to/other.conf
################################ GENERAL #####################################
# By default Redis does not run as a daemon. Use 'yes' if you need it.
# By default Redis does not run as a daemon. Use 'yes' if you need it.
# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.
# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.
daemonize no
daemonize no
...
@@ -22,35 +47,63 @@ pidfile %(pid_file)s
...
@@ -22,35 +47,63 @@ pidfile %(pid_file)s
# Accept connections on the specified port, default is 6379.
# Accept connections on the specified port, default is 6379.
# If port 0 is specified Redis will not listen on a TCP socket.
# If port 0 is specified Redis will not listen on a TCP socket.
port6 %(port)s
port %(port)s
port 0
# TCP listen() backlog.
#
# In high requests-per-second environments you need an high backlog in order
# to avoid slow clients connections issues. Note that the Linux kernel
# will silently truncate it to the value of /proc/sys/net/core/somaxconn so
# make sure to raise both the value of somaxconn and tcp_max_syn_backlog
# in order to get the desired effect.
tcp-backlog 511
# If you want you can bind a single interface, if the bind option is not
# By default Redis listens for connections from all the network interfaces
# specified all the interfaces will listen for incoming connections.
# available on the server. It is possible to listen to just one or multiple
# Bind can also be an IPv6 address
# interfaces using the "bind" configuration directive, followed by one or
# more IP addresses.
#
# Examples:
#
# bind 192.168.1.100 10.0.0.1
# bind 127.0.0.1
# bind 127.0.0.1
# bind ::1
bind %(ipv6)s
bind6 %(ipv6)s
# Specify the path for the
u
nix socket that will be used to listen for
# Specify the path for the
U
nix socket that will be used to listen for
# incoming connections. There is no default, so Redis will not listen
# incoming connections. There is no default, so Redis will not listen
# on a unix socket when not specified.
# on a unix socket when not specified.
#
#
# unixsocket /tmp/redis.sock
# unixsocket /tmp/redis.sock
# unixsocketperm 7
55
# unixsocketperm 7
00
# Close the connection after a client is idle for N seconds (0 to disable)
# Close the connection after a client is idle for N seconds (0 to disable)
timeout 0
timeout 0
# Set server verbosity to 'debug'
# TCP keepalive.
# it can be one of:
#
# If non-zero, use SO_KEEPALIVE to send TCP ACKs to clients in absence
# of communication. This is useful for two reasons:
#
# 1) Detect dead peers.
# 2) Take the connection alive from the point of view of network
# equipment in the middle.
#
# On Linux, the specified value (in seconds) is the period used to send ACKs.
# Note that to close the connection the double of the time is needed.
# On other kernels the period depends on the kernel configuration.
#
# A reasonable value for this option is 60 seconds.
tcp-keepalive 0
# Specify the server verbosity level.
# This can be one of:
# debug (a lot of information, useful for development/testing)
# debug (a lot of information, useful for development/testing)
# verbose (many rarely useful info, but not a mess like the debug level)
# verbose (many rarely useful info, but not a mess like the debug level)
# notice (moderately verbose, what you want in production probably)
# notice (moderately verbose, what you want in production probably)
# warning (only very important / critical messages are logged)
# warning (only very important / critical messages are logged)
loglevel notice
loglevel notice
# Specify the log file name. Also
'stdout'
can be used to force
# Specify the log file name. Also
the empty string
can be used to force
# Redis to log on the standard output. Note that if you use standard
# Redis to log on the standard output. Note that if you use standard
# output for logging but daemonize, logs will be sent to /dev/null
# output for logging but daemonize, logs will be sent to /dev/null
logfile %(log_file)s
logfile %(log_file)s
...
@@ -70,7 +123,7 @@ logfile %(log_file)s
...
@@ -70,7 +123,7 @@ logfile %(log_file)s
# dbid is a number between 0 and 'databases'-1
# dbid is a number between 0 and 'databases'-1
databases 16
databases 16
################################ SNAPSHOTTING ################################
#
################################ SNAPSHOTTING ################################
#
#
# Save the DB on disk:
# Save the DB on disk:
#
#
...
@@ -84,7 +137,7 @@ databases 16
...
@@ -84,7 +137,7 @@ databases 16
# after 300 sec (5 min) if at least 10 keys changed
# after 300 sec (5 min) if at least 10 keys changed
# after 60 sec if at least 10000 keys changed
# after 60 sec if at least 10000 keys changed
#
#
# Note: you can disable saving
at all commenting all the
"save" lines.
# Note: you can disable saving
completely by commenting out all
"save" lines.
#
#
# It is also possible to remove all the previously configured save
# It is also possible to remove all the previously configured save
# points by adding a save directive with a single empty string argument
# points by adding a save directive with a single empty string argument
...
@@ -98,16 +151,16 @@ save 60 10000
...
@@ -98,16 +151,16 @@ save 60 10000
# By default Redis will stop accepting writes if RDB snapshots are enabled
# By default Redis will stop accepting writes if RDB snapshots are enabled
# (at least one save point) and the latest background save failed.
# (at least one save point) and the latest background save failed.
# This will make the user aware (in a
n
hard way) that data is not persisting
# This will make the user aware (in a hard way) that data is not persisting
# on disk properly, otherwise chances are that no one will notice and some
# on disk properly, otherwise chances are that no one will notice and some
# dis
ta
ter will happen.
# dis
as
ter will happen.
#
#
# If the background saving process will start working again Redis will
# If the background saving process will start working again Redis will
# automatically allow writes again.
# automatically allow writes again.
#
#
# However if you have setup your proper monitoring of the Redis server
# However if you have setup your proper monitoring of the Redis server
# and persistence, you may want to disable this feature so that Redis will
# and persistence, you may want to disable this feature so that Redis will
# continue to work as usual
ly
even if there are problems with disk,
# continue to work as usual even if there are problems with disk,
# permissions, and so forth.
# permissions, and so forth.
stop-writes-on-bgsave-error yes
stop-writes-on-bgsave-error yes
...
@@ -117,7 +170,7 @@ stop-writes-on-bgsave-error yes
...
@@ -117,7 +170,7 @@ stop-writes-on-bgsave-error yes
# the dataset will likely be bigger if you have compressible values or keys.
# the dataset will likely be bigger if you have compressible values or keys.
rdbcompression yes
rdbcompression yes
# Since ver
is
on 5 of RDB a CRC64 checksum is placed at the end of the file.
# Since ver
si
on 5 of RDB a CRC64 checksum is placed at the end of the file.
# This makes the format more resistant to corruption but there is a performance
# This makes the format more resistant to corruption but there is a performance
# hit to pay (around 10%%) when saving and loading RDB files, so you can disable it
# hit to pay (around 10%%) when saving and loading RDB files, so you can disable it
# for maximum performances.
# for maximum performances.
...
@@ -134,7 +187,7 @@ dbfilename dump.rdb
...
@@ -134,7 +187,7 @@ dbfilename dump.rdb
# The DB will be written inside this directory, with the filename specified
# The DB will be written inside this directory, with the filename specified
# above using the 'dbfilename' configuration directive.
# above using the 'dbfilename' configuration directive.
#
#
#
Also the Append Only File will
be created inside this directory.
#
The Append Only File will also
be created inside this directory.
#
#
# Note that you must specify a directory here, not a file name.
# Note that you must specify a directory here, not a file name.
dir %(server_dir)s
dir %(server_dir)s
...
@@ -142,9 +195,18 @@ dir %(server_dir)s
...
@@ -142,9 +195,18 @@ dir %(server_dir)s
################################# REPLICATION #################################
################################# REPLICATION #################################
# Master-Slave replication. Use slaveof to make a Redis instance a copy of
# Master-Slave replication. Use slaveof to make a Redis instance a copy of
# another Redis server. Note that the configuration is local to the slave
# another Redis server. A few things to understand ASAP about Redis replication.
# so for example it is possible to configure the slave to save the DB with a
#
# different interval, or to listen to another port, and so on.
# 1) Redis replication is asynchronous, but you can configure a master to
# stop accepting writes if it appears to be not connected with at least
# a given number of slaves.
# 2) Redis slaves are able to perform a partial resynchronization with the
# master if the replication link is lost for a relatively small amount of
# time. You may want to configure the replication backlog size (see the next
# sections of this file) with a sensible value depending on your needs.
# 3) Replication is automatic and does not need user intervention. After a
# network partition slaves automatically try to reconnect to masters
# and resynchronize with them.
#
#
# slaveof <masterip> <masterport>
# slaveof <masterip> <masterport>
...
@@ -155,14 +217,14 @@ dir %(server_dir)s
...
@@ -155,14 +217,14 @@ dir %(server_dir)s
#
#
%(master_passwd)s
%(master_passwd)s
# When a slave los
t the
connection with the master, or when the replication
# When a slave los
es its
connection with the master, or when the replication
# is still in progress, the slave can act in two different ways:
# is still in progress, the slave can act in two different ways:
#
#
# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will
# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will
# still reply to client requests, possibly with out of date data, or the
# still reply to client requests, possibly with out of date data, or the
# data set may just be empty if this is the first synchronization.
# data set may just be empty if this is the first synchronization.
#
#
# 2) if slave-serve-stale
data is set to 'no' the slave will reply with
# 2) if slave-serve-stale
-
data is set to 'no' the slave will reply with
# an error "SYNC with master in progress" to all the kind of commands
# an error "SYNC with master in progress" to all the kind of commands
# but to INFO and SLAVEOF.
# but to INFO and SLAVEOF.
#
#
...
@@ -179,19 +241,65 @@ slave-serve-stale-data yes
...
@@ -179,19 +241,65 @@ slave-serve-stale-data yes
# Note: read only slaves are not designed to be exposed to untrusted clients
# Note: read only slaves are not designed to be exposed to untrusted clients
# on the internet. It's just a protection layer against misuse of the instance.
# on the internet. It's just a protection layer against misuse of the instance.
# Still a read only slave exports by default all the administrative commands
# Still a read only slave exports by default all the administrative commands
# such as CONFIG, DEBUG, and so forth. To a limited exten
d
you can improve
# such as CONFIG, DEBUG, and so forth. To a limited exten
t
you can improve
# security of read only slaves using 'rename-command' to shadow all the
# security of read only slaves using 'rename-command' to shadow all the
# administrative / dangerous commands.
# administrative / dangerous commands.
slave-read-only yes
slave-read-only yes
# Replication SYNC strategy: disk or socket.
#
# -------------------------------------------------------
# WARNING: DISKLESS REPLICATION IS EXPERIMENTAL CURRENTLY
# -------------------------------------------------------
#
# New slaves and reconnecting slaves that are not able to continue the replication
# process just receiving differences, need to do what is called a "full
# synchronization". An RDB file is transmitted from the master to the slaves.
# The transmission can happen in two different ways:
#
# 1) Disk-backed: The Redis master creates a new process that writes the RDB
# file on disk. Later the file is transferred by the parent
# process to the slaves incrementally.
# 2) Diskless: The Redis master creates a new process that directly writes the
# RDB file to slave sockets, without touching the disk at all.
#
# With disk-backed replication, while the RDB file is generated, more slaves
# can be queued and served with the RDB file as soon as the current child producing
# the RDB file finishes its work. With diskless replication instead once
# the transfer starts, new slaves arriving will be queued and a new transfer
# will start when the current one terminates.
#
# When diskless replication is used, the master waits a configurable amount of
# time (in seconds) before starting the transfer in the hope that multiple slaves
# will arrive and the transfer can be parallelized.
#
# With slow disks and fast (large bandwidth) networks, diskless replication
# works better.
repl-diskless-sync no
# When diskless replication is enabled, it is possible to configure the delay
# the server waits in order to spawn the child that trnasfers the RDB via socket
# to the slaves.
#
# This is important since once the transfer starts, it is not possible to serve
# new slaves arriving, that will be queued for the next RDB transfer, so the server
# waits a delay in order to let more slaves arrive.
#
# The delay is specified in seconds, and by default is 5 seconds. To disable
# it entirely just set it to 0 seconds and the transfer will start ASAP.
repl-diskless-sync-delay 5
# Slaves send PINGs to server in a predefined interval. It's possible to change
# Slaves send PINGs to server in a predefined interval. It's possible to change
# this interval with the repl_ping_slave_period option. The default value is 10
# this interval with the repl_ping_slave_period option. The default value is 10
# seconds.
# seconds.
#
#
# repl-ping-slave-period 10
# repl-ping-slave-period 10
# The following option sets a timeout for both Bulk transfer I/O timeout and
# The following option sets the replication timeout for:
# master data or ping response timeout. The default value is 60 seconds.
#
# 1) Bulk transfer I/O during SYNC, from the point of view of slave.
# 2) Master timeout from the point of view of slaves (data, pings).
# 3) Slave timeout from the point of view of masters (REPLCONF ACK pings).
#
#
# It is important to make sure that this value is greater than the value
# It is important to make sure that this value is greater than the value
# specified for repl-ping-slave-period otherwise a timeout will be detected
# specified for repl-ping-slave-period otherwise a timeout will be detected
...
@@ -199,6 +307,80 @@ slave-read-only yes
...
@@ -199,6 +307,80 @@ slave-read-only yes
#
#
# repl-timeout 60
# repl-timeout 60
# Disable TCP_NODELAY on the slave socket after SYNC?
#
# If you select "yes" Redis will use a smaller number of TCP packets and
# less bandwidth to send data to slaves. But this can add a delay for
# the data to appear on the slave side, up to 40 milliseconds with
# Linux kernels using a default configuration.
#
# If you select "no" the delay for data to appear on the slave side will
# be reduced but more bandwidth will be used for replication.
#
# By default we optimize for low latency, but in very high traffic conditions
# or when the master and slaves are many hops away, turning this to "yes" may
# be a good idea.
repl-disable-tcp-nodelay no
# Set the replication backlog size. The backlog is a buffer that accumulates
# slave data when slaves are disconnected for some time, so that when a slave
# wants to reconnect again, often a full resync is not needed, but a partial
# resync is enough, just passing the portion of data the slave missed while
# disconnected.
#
# The bigger the replication backlog, the longer the time the slave can be
# disconnected and later be able to perform a partial resynchronization.
#
# The backlog is only allocated once there is at least a slave connected.
#
# repl-backlog-size 1mb
# After a master has no longer connected slaves for some time, the backlog
# will be freed. The following option configures the amount of seconds that
# need to elapse, starting from the time the last slave disconnected, for
# the backlog buffer to be freed.
#
# A value of 0 means to never release the backlog.
#
# repl-backlog-ttl 3600
# The slave priority is an integer number published by Redis in the INFO output.
# It is used by Redis Sentinel in order to select a slave to promote into a
# master if the master is no longer working correctly.
#
# A slave with a low priority number is considered better for promotion, so
# for instance if there are three slaves with priority 10, 100, 25 Sentinel will
# pick the one with priority 10, that is the lowest.
#
# However a special priority of 0 marks the slave as not able to perform the
# role of master, so a slave with priority of 0 will never be selected by
# Redis Sentinel for promotion.
#
# By default the priority is 100.
slave-priority 100
# It is possible for a master to stop accepting writes if there are less than
# N slaves connected, having a lag less or equal than M seconds.
#
# The N slaves need to be in "online" state.
#
# The lag in seconds, that must be <= the specified value, is calculated from
# the last ping received from the slave, that is usually sent every second.
#
# This option does not GUARANTEE that N replicas will accept the write, but
# will limit the window of exposure for lost writes in case not enough slaves
# are available, to the specified number of seconds.
#
# For example to require at least 3 slaves with a lag <= 10 seconds use:
#
# min-slaves-to-write 3
# min-slaves-max-lag 10
#
# Setting one or the other to 0 disables the feature.
#
# By default min-slaves-to-write is set to 0 (feature disabled) and
# min-slaves-max-lag is set to 10.
################################## SECURITY ###################################
################################## SECURITY ###################################
# Require clients to issue AUTH <PASSWORD> before processing any other
# Require clients to issue AUTH <PASSWORD> before processing any other
...
@@ -218,23 +400,26 @@ slave-read-only yes
...
@@ -218,23 +400,26 @@ slave-read-only yes
#
#
# It is possible to change the name of dangerous commands in a shared
# It is possible to change the name of dangerous commands in a shared
# environment. For instance the CONFIG command may be renamed into something
# environment. For instance the CONFIG command may be renamed into something
#
of hard to guess so that it will be still available for internal-use
#
hard to guess so that it will still be available for internal-use tools
#
tools
but not available for general clients.
# but not available for general clients.
#
#
# Example:
# Example:
#
#
# rename-command CONFIG b840fc02d524045429941cc15f59e41cb7be6c52
# rename-command CONFIG b840fc02d524045429941cc15f59e41cb7be6c52
#
#
# It is also possible to completely kill a command renaming it into
# It is also possible to completely kill a command
by
renaming it into
# an empty string:
# an empty string:
#
#
# rename-command CONFIG ""
# rename-command CONFIG ""
#
# Please note that changing the name of commands that are logged into the
# AOF file or transmitted to slaves may cause problems.
################################### LIMITS ####################################
################################### LIMITS ####################################
# Set the max number of connected clients at the same time. By default
# Set the max number of connected clients at the same time. By default
# this limit is set to 10000 clients, however if the Redis server is not
# this limit is set to 10000 clients, however if the Redis server is not
# able
ot
configure the process file limit to allow for the specified limit
# able
to
configure the process file limit to allow for the specified limit
# the max number of allowed clients is set to the current file limit
# the max number of allowed clients is set to the current file limit
# minus 32 (as Redis reserves a few file descriptors for internal uses).
# minus 32 (as Redis reserves a few file descriptors for internal uses).
#
#
...
@@ -245,7 +430,7 @@ slave-read-only yes
...
@@ -245,7 +430,7 @@ slave-read-only yes
# Don't use more memory than the specified amount of bytes.
# Don't use more memory than the specified amount of bytes.
# When the memory limit is reached Redis will try to remove keys
# When the memory limit is reached Redis will try to remove keys
# according
ly to the eviction policy selected (see maxmem
mory-policy).
# according
to the eviction policy selected (see maxme
mory-policy).
#
#
# If Redis can't remove keys according to the policy, or if the policy is
# If Redis can't remove keys according to the policy, or if the policy is
# set to 'noeviction', Redis will start to reply with errors to commands
# set to 'noeviction', Redis will start to reply with errors to commands
...
@@ -253,7 +438,7 @@ slave-read-only yes
...
@@ -253,7 +438,7 @@ slave-read-only yes
# to reply to read-only commands like GET.
# to reply to read-only commands like GET.
#
#
# This option is usually useful when using Redis as an LRU cache, or to set
# This option is usually useful when using Redis as an LRU cache, or to set
# a
n
hard memory limit for an instance (using the 'noeviction' policy).
# a hard memory limit for an instance (using the 'noeviction' policy).
#
#
# WARNING: If you have slaves attached to an instance with maxmemory on,
# WARNING: If you have slaves attached to an instance with maxmemory on,
# the size of the output buffers needed to feed the slaves are subtracted
# the size of the output buffers needed to feed the slaves are subtracted
...
@@ -269,19 +454,19 @@ slave-read-only yes
...
@@ -269,19 +454,19 @@ slave-read-only yes
# maxmemory <bytes>
# maxmemory <bytes>
# MAXMEMORY POLICY: how Redis will select what to remove when maxmemory
# MAXMEMORY POLICY: how Redis will select what to remove when maxmemory
# is reached
? You can select among five behavior
:
# is reached
. You can select among five behaviors
:
#
#
# volatile-lru -> remove the key with an expire set using an LRU algorithm
# volatile-lru -> remove the key with an expire set using an LRU algorithm
# allkeys-lru -> remove any key according
ly
to the LRU algorithm
# allkeys-lru -> remove any key according to the LRU algorithm
# volatile-random -> remove a random key with an expire set
# volatile-random -> remove a random key with an expire set
# allkeys-random -> remove a random key, any key
# allkeys-random -> remove a random key, any key
# volatile-ttl -> remove the key with the nearest expire time (minor TTL)
# volatile-ttl -> remove the key with the nearest expire time (minor TTL)
# noeviction -> don't expire at all, just return an error on write operations
# noeviction -> don't expire at all, just return an error on write operations
#
#
# Note: with a
ll the kind of
policies, Redis will return an error on write
# Note: with a
ny of the above
policies, Redis will return an error on write
# operations, when there are no
t
suitable keys for eviction.
# operations, when there are no suitable keys for eviction.
#
#
# At the date of writing th
is
commands are: set setnx setex append
# At the date of writing th
ese
commands are: set setnx setex append
# incr decr rpush lpush rpushx lpushx linsert lset rpoplpush sadd
# incr decr rpush lpush rpushx lpushx linsert lset rpoplpush sadd
# sinter sinterstore sunion sunionstore sdiff sdiffstore zadd zincrby
# sinter sinterstore sunion sunionstore sdiff sdiffstore zadd zincrby
# zunionstore zinterstore hset hsetnx hmset hincrby incrby decrby
# zunionstore zinterstore hset hsetnx hmset hincrby incrby decrby
...
@@ -322,19 +507,20 @@ slave-read-only yes
...
@@ -322,19 +507,20 @@ slave-read-only yes
appendonly no
appendonly no
# The name of the append only file (default: "appendonly.aof")
# The name of the append only file (default: "appendonly.aof")
# appendfilename appendonly.aof
appendfilename "appendonly.aof"
# The fsync() call tells the Operating System to actually write data on disk
# The fsync() call tells the Operating System to actually write data on disk
# instead
to wait
for more data in the output buffer. Some OS will really flush
# instead
of waiting
for more data in the output buffer. Some OS will really flush
# data on disk, some other OS will just try to do it ASAP.
# data on disk, some other OS will just try to do it ASAP.
#
#
# Redis supports three different modes:
# Redis supports three different modes:
#
#
# no: don't fsync, just let the OS flush the data when it wants. Faster.
# no: don't fsync, just let the OS flush the data when it wants. Faster.
# always: fsync after every write to the append only log
. Slow, Safest.
# always: fsync after every write to the append only log. Slow, Safest.
# everysec: fsync only one time every second. Compromise.
# everysec: fsync only one time every second. Compromise.
#
#
# The default is "everysec" that's usually the right compromise between
# The default is "everysec"
, as
that's usually the right compromise between
# speed and data safety. It's up to you to understand if you can relax this to
# speed and data safety. It's up to you to understand if you can relax this to
# "no" that will let the operating system flush the output buffer when
# "no" that will let the operating system flush the output buffer when
# it wants, for better performances (but if you can live with the idea of
# it wants, for better performances (but if you can live with the idea of
...
@@ -362,21 +548,22 @@ appendfsync everysec
...
@@ -362,21 +548,22 @@ appendfsync everysec
# that will prevent fsync() from being called in the main process while a
# that will prevent fsync() from being called in the main process while a
# BGSAVE or BGREWRITEAOF is in progress.
# BGSAVE or BGREWRITEAOF is in progress.
#
#
# This means that while another child is saving the durability of Redis is
# This means that while another child is saving
,
the durability of Redis is
# the same as "appendfsync none"
, that in practical term
s means that it is
# the same as "appendfsync none"
. In practical terms, thi
s means that it is
# possible to los
t
up to 30 seconds of log in the worst scenario (with the
# possible to los
e
up to 30 seconds of log in the worst scenario (with the
# default Linux settings).
# default Linux settings).
#
#
# If you have latency problems turn this to "yes". Otherwise leave it as
# If you have latency problems turn this to "yes". Otherwise leave it as
# "no" that is the safest pick from the point of view of durability.
# "no" that is the safest pick from the point of view of durability.
no-appendfsync-on-rewrite no
no-appendfsync-on-rewrite no
# Automatic rewrite of the append only file.
# Automatic rewrite of the append only file.
# Redis is able to automatically rewrite the log file implicitly calling
# Redis is able to automatically rewrite the log file implicitly calling
# BGREWRITEAOF when the AOF log size
will growth
by the specified percentage.
# BGREWRITEAOF when the AOF log size
grows
by the specified percentage.
#
#
# This is how it works: Redis remembers the size of the AOF file after the
# This is how it works: Redis remembers the size of the AOF file after the
# latest rewrite (
or if no rewrite
happened since the restart, the size of
# latest rewrite (
if no rewrite has
happened since the restart, the size of
# the AOF at startup is used).
# the AOF at startup is used).
#
#
# This base size is compared to the current size. If the current size is
# This base size is compared to the current size. If the current size is
...
@@ -391,6 +578,30 @@ no-appendfsync-on-rewrite no
...
@@ -391,6 +578,30 @@ no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
auto-aof-rewrite-min-size 64mb
# An AOF file may be found to be truncated at the end during the Redis
# startup process, when the AOF data gets loaded back into memory.
# This may happen when the system where Redis is running
# crashes, especially when an ext4 filesystem is mounted without the
# data=ordered option (however this can't happen when Redis itself
# crashes or aborts but the operating system still works correctly).
#
# Redis can either exit with an error when this happens, or load as much
# data as possible (the default now) and start if the AOF file is found
# to be truncated at the end. The following option controls this behavior.
#
# If aof-load-truncated is set to yes, a truncated AOF file is loaded and
# the Redis server starts emitting a log to inform the user of the event.
# Otherwise if the option is set to no, the server aborts with an error
# and refuses to start. When the option is set to no, the user requires
# to fix the AOF file using the "redis-check-aof" utility before to restart
# the server.
#
# Note that if the AOF file will be found to be corrupted in the middle
# the server will still exit with an error. This option only applies when
# Redis will try to read more data from the AOF file but not enough bytes
# will be found.
aof-load-truncated yes
################################ LUA SCRIPTING ###############################
################################ LUA SCRIPTING ###############################
# Max execution time of a Lua script in milliseconds.
# Max execution time of a Lua script in milliseconds.
...
@@ -399,35 +610,16 @@ auto-aof-rewrite-min-size 64mb
...
@@ -399,35 +610,16 @@ auto-aof-rewrite-min-size 64mb
# still in execution after the maximum allowed time and will start to
# still in execution after the maximum allowed time and will start to
# reply to queries with an error.
# reply to queries with an error.
#
#
# When a long running script exceed the maximum execution time only the
# When a long running script exceed
s
the maximum execution time only the
# SCRIPT KILL and SHUTDOWN NOSAVE commands are available. The first can be
# SCRIPT KILL and SHUTDOWN NOSAVE commands are available. The first can be
# used to stop a script that did not yet called write commands. The second
# used to stop a script that did not yet called write commands. The second
# is the only way to shut down the server in the case a write command
s
was
# is the only way to shut down the server in the case a write command was
# already issue
by the script but the user do
n't want to wait for the natural
# already issue
d by the script but the user does
n't want to wait for the natural
# termination of the script.
# termination of the script.
#
#
# Set it to 0 or a negative value for unlimited execution without warnings.
# Set it to 0 or a negative value for unlimited execution without warnings.
lua-time-limit 5000
lua-time-limit 5000
################################ REDIS CLUSTER ###############################
#
# Normal Redis instances can't be part of a Redis Cluster, only nodes that are
# started as cluster nodes can. In order to start a Redis instance as a
# cluster node enable the cluster support uncommenting the following:
#
# cluster-enabled yes
# Every cluster node has a cluster configuration file. This file is not
# intended to be edited by hand. It is created and updated by Redis nodes.
# Every Redis Cluster node requires a different cluster configuration file.
# Make sure that instances running in the same system does not have
# overlapping cluster configuration file names.
#
# cluster-config-file nodes-6379.conf
# In order to setup your cluster make sure to read the documentation
# available at http://redis.io web site.
################################## SLOW LOG ###################################
################################## SLOW LOG ###################################
# The Redis Slow Log is a system to log queries that exceeded a specified
# The Redis Slow Log is a system to log queries that exceeded a specified
...
@@ -452,6 +644,73 @@ slowlog-log-slower-than 10000
...
@@ -452,6 +644,73 @@ slowlog-log-slower-than 10000
# You can reclaim memory used by the slow log with SLOWLOG RESET.
# You can reclaim memory used by the slow log with SLOWLOG RESET.
slowlog-max-len 128
slowlog-max-len 128
################################ LATENCY MONITOR ##############################
# The Redis latency monitoring subsystem samples different operations
# at runtime in order to collect data related to possible sources of
# latency of a Redis instance.
#
# Via the LATENCY command this information is available to the user that can
# print graphs and obtain reports.
#
# The system only logs operations that were performed in a time equal or
# greater than the amount of milliseconds specified via the
# latency-monitor-threshold configuration directive. When its value is set
# to zero, the latency monitor is turned off.
#
# By default latency monitoring is disabled since it is mostly not needed
# if you don't have latency issues, and collecting data has a performance
# impact, that while very small, can be measured under big load. Latency
# monitoring can easily be enalbed at runtime using the command
# "CONFIG SET latency-monitor-threshold <milliseconds>" if needed.
latency-monitor-threshold 0
############################# Event notification ##############################
# Redis can notify Pub/Sub clients about events happening in the key space.
# This feature is documented at http://redis.io/topics/notifications
#
# For instance if keyspace events notification is enabled, and a client
# performs a DEL operation on key "foo" stored in the Database 0, two
# messages will be published via Pub/Sub:
#
# PUBLISH __keyspace@0__:foo del
# PUBLISH __keyevent@0__:del foo
#
# It is possible to select the events that Redis will notify among a set
# of classes. Every class is identified by a single character:
#
# K Keyspace events, published with __keyspace@<db>__ prefix.
# E Keyevent events, published with __keyevent@<db>__ prefix.
# g Generic commands (non-type specific) like DEL, EXPIRE, RENAME, ...
# $ String commands
# l List commands
# s Set commands
# h Hash commands
# z Sorted set commands
# x Expired events (events generated every time a key expires)
# e Evicted events (events generated when a key is evicted for maxmemory)
# A Alias for g$lshzxe, so that the "AKE" string means all the events.
#
# The "notify-keyspace-events" takes as argument a string that is composed
# of zero or multiple characters. The empty string means that notifications
# are disabled.
#
# Example: to enable list and generic events, from the point of view of the
# event name, use:
#
# notify-keyspace-events Elg
#
# Example 2: to get the stream of the expired keys subscribing to channel
# name __keyevent@0__:expired use:
#
# notify-keyspace-events Ex
#
# By default all notifications are disabled because most users don't need
# this feature and the feature has some overhead. Note that if you don't
# specify at least one of K or E, no events will be delivered.
notify-keyspace-events ""
############################### ADVANCED CONFIG ###############################
############################### ADVANCED CONFIG ###############################
# Hashes are encoded using a memory efficient data structure when they have a
# Hashes are encoded using a memory efficient data structure when they have a
...
@@ -467,7 +726,7 @@ list-max-ziplist-entries 512
...
@@ -467,7 +726,7 @@ list-max-ziplist-entries 512
list-max-ziplist-value 64
list-max-ziplist-value 64
# Sets have a special encoding in just one case: when a set is composed
# Sets have a special encoding in just one case: when a set is composed
# of just strings that happen
s
to be integers in radix 10 in the range
# of just strings that happen to be integers in radix 10 in the range
# of 64 bit signed integers.
# of 64 bit signed integers.
# The following configuration setting sets the limit in the size of the
# The following configuration setting sets the limit in the size of the
# set in order to use this special memory saving encoding.
# set in order to use this special memory saving encoding.
...
@@ -479,20 +738,34 @@ set-max-intset-entries 512
...
@@ -479,20 +738,34 @@ set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
zset-max-ziplist-value 64
# HyperLogLog sparse representation bytes limit. The limit includes the
# 16 bytes header. When an HyperLogLog using the sparse representation crosses
# this limit, it is converted into the dense representation.
#
# A value greater than 16000 is totally useless, since at that point the
# dense representation is more memory efficient.
#
# The suggested value is ~ 3000 in order to have the benefits of
# the space efficient encoding without slowing down too much PFADD,
# which is O(N) with the sparse encoding. The value can be raised to
# ~ 10000 when CPU is not a concern, but space is, and the data set is
# composed of many HyperLogLogs with cardinality in the 0 - 15000 range.
hll-sparse-max-bytes 3000
# Active rehashing uses 1 millisecond every 100 milliseconds of CPU time in
# Active rehashing uses 1 millisecond every 100 milliseconds of CPU time in
# order to help rehashing the main Redis hash table (the one mapping top-level
# order to help rehashing the main Redis hash table (the one mapping top-level
# keys to values). The hash table implementation Redis uses (see dict.c)
# keys to values). The hash table implementation Redis uses (see dict.c)
# performs a lazy rehashing: the more operation you run into a
n
hash table
# performs a lazy rehashing: the more operation you run into a hash table
# that is rehashing, the more rehashing "steps" are performed, so if the
# that is rehashing, the more rehashing "steps" are performed, so if the
# server is idle the rehashing is never complete and some more memory is used
# server is idle the rehashing is never complete and some more memory is used
# by the hash table.
# by the hash table.
#
#
# The default is to use this millisecond 10 times every second in order to
# The default is to use this millisecond 10 times every second in order to
# active
rehashing
the main dictionaries, freeing memory when possible.
# active
ly rehash
the main dictionaries, freeing memory when possible.
#
#
# If unsure:
# If unsure:
# use "activerehashing no" if you have hard latency requirements and it is
# use "activerehashing no" if you have hard latency requirements and it is
# not a good thing in your environment that Redis can reply f
or
m time to time
# not a good thing in your environment that Redis can reply f
ro
m time to time
# to queries with 2 milliseconds delay.
# to queries with 2 milliseconds delay.
#
#
# use "activerehashing yes" if you don't have such hard requirements but
# use "activerehashing yes" if you don't have such hard requirements but
...
@@ -506,9 +779,9 @@ activerehashing yes
...
@@ -506,9 +779,9 @@ activerehashing yes
#
#
# The limit can be set differently for the three different classes of clients:
# The limit can be set differently for the three different classes of clients:
#
#
# normal -> normal clients
# normal -> normal clients
including MONITOR clients
# slave -> slave clients
and MONITOR clients
# slave -> slave clients
# pubsub -> clients subcribed to at least one pubsub channel or pattern
# pubsub -> clients sub
s
cribed to at least one pubsub channel or pattern
#
#
# The syntax of every client-output-buffer-limit directive is the following:
# The syntax of every client-output-buffer-limit directive is the following:
#
#
...
@@ -531,17 +804,30 @@ activerehashing yes
...
@@ -531,17 +804,30 @@ activerehashing yes
# Instead there is a default limit for pubsub and slave clients, since
# Instead there is a default limit for pubsub and slave clients, since
# subscribers and slaves receive data in a push fashion.
# subscribers and slaves receive data in a push fashion.
#
#
# Both the hard or the soft limit can be disabled
just setting it
to zero.
# Both the hard or the soft limit can be disabled
by setting them
to zero.
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
################################## INCLUDES ###################################
# Redis calls an internal function to perform many background tasks, like
# closing connections of clients in timeout, purging expired keys that are
# Include one or more other config files here. This is useful if you
# never requested, and so forth.
# have a standard template that goes to all Redis server but also need
# to customize a few per-server settings. Include files can include
# other files, so use this wisely.
#
#
# include /path/to/local.conf
# Not all tasks are performed with the same frequency, but Redis checks for
# include /path/to/other.conf
# tasks to perform according to the specified "hz" value.
\ No newline at end of file
#
# By default "hz" is set to 10. Raising the value will use more CPU when
# Redis is idle, but at the same time will make Redis more responsive when
# there are many keys expiring at the same time, and timeouts may be
# handled with more precision.
#
# The range is between 1 and 500, however a value over 100 is usually not
# a good idea. Most users should use the default of 10 and raise this up to
# 100 only in environments where very low latency is required.
hz 10
# When a child rewrites the AOF file, if the following option is enabled
# the file will be fsync-ed every 32 MB of data generated. This is useful
# in order to commit the file to the disk more incrementally and avoid
# big latency spikes.
aof-rewrite-incremental-fsync yes
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