[t:3988] #3988 Add some more status info. Still need to get into header, ydb and handlerton.

git-svn-id: file:///svn/toku/tokudb@36864 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt-internal.h

@@ -760,6 +760,12 @@ typedef struct brt_status {
     uint64_t  cleaner_max_buffer_workdone; // max workdone value of any message buffer flushed by cleaner thread
     uint64_t  cleaner_min_buffer_workdone;
     uint64_t  cleaner_total_buffer_workdone;
+    uint64_t  msg_bytes_in;                // how many bytes of messages injected at root (for all trees)
+    uint64_t  msg_bytes_out;               // how many bytes of messages flushed from h1 nodes to leaves
+    uint64_t  msg_bytes_curr;              // how many bytes of messages currently in trees (estimate)
+    uint64_t  msg_bytes_max;               // how many bytes of messages currently in trees (estimate)
+    uint64_t  msg_num;                     // how many messages injected at root
+    uint64_t  msg_num_broadcast;           // how many broadcast messages injected at root
     uint64_t  flush_total;                 // total number of flushes done by flusher threads or cleaner threads
     uint64_t  flush_in_memory;             // number of in memory flushes
     uint64_t  flush_needed_io;             // number of flushes that had to read a child (or part) off disk

newbrt/brt.c

@@ -2511,7 +2511,8 @@ toku_bnc_insert_msg(NONLEAF_CHILDINFO bnc, const void *key, ITEMLEN keylen, cons
 void
 toku_brt_append_to_child_buffer(brt_compare_func compare_fun, DESCRIPTOR desc, BRTNODE node, int childnum, int type, MSN msn, XIDS xids, bool is_fresh, const DBT *key, const DBT *val) {
     assert(BP_STATE(node,childnum) == PT_AVAIL);
-    int r = toku_bnc_insert_msg(BNC(node, childnum), key->data, key->size, val->data, val->size, type, msn, xids, is_fresh, desc, compare_fun); assert_zero(r);
+    int r = toku_bnc_insert_msg(BNC(node, childnum), key->data, key->size, val->data, val->size, type, msn, xids, is_fresh, desc, compare_fun); 
+    invariant_zero(r);
     node->dirty = 1;
 }
 
@@ -2582,12 +2583,23 @@ unsigned int toku_brtnode_which_child(BRTNODE node, const DBT *k,
 #endif
 }
 
+// TODO Use this function to clean up other places where bits of messages are passed around
+//      such as toku_bnc_insert_msg() and the call stack above it.
+static size_t
+brt_msg_size(BRT_MSG msg) {
+    size_t keylen = msg->u.id.key->size;
+    size_t vallen = msg->u.id.val->size;
+    size_t xids_size = xids_get_serialize_size(msg->xids);
+    size_t rval = keylen + vallen + KEY_VALUE_OVERHEAD + BRT_CMD_OVERHEAD + xids_size;
+    return rval;
+}
+
+
 static void brt_nonleaf_cmd_once(brt_compare_func compare_fun, DESCRIPTOR desc, BRTNODE node, BRT_MSG cmd, bool is_fresh)
 // Effect: Insert a message into a nonleaf.  We may put it into a child, possibly causing the child to become reactive.
 //  We don't do the splitting and merging.  That's up to the caller after doing all the puts it wants to do.
 //  The re_array[i] gets set to reactivity of any modified child.
 {
-
     /* find the right subtree */
     //TODO: accesses key, val directly
     unsigned int childnum = toku_brtnode_which_child(node, cmd->u.id.key, desc, compare_fun);
@@ -3097,6 +3109,9 @@ toku_bnc_flush_to_child(
         assert_zero(r);
         r = toku_omt_clone_pool(&live_list_reverse, logger->live_list_reverse, sizeof(XID_PAIR_S));
         assert_zero(r);
+	size_t buffsize = bnc->n_bytes_in_buffer; 
+	brt_status.msg_bytes_out += buffsize;   // take advantage of surrounding mutex
+	brt_status.msg_bytes_curr -= buffsize;  // may be misleading if there's a broadcast message in there
 	toku_pthread_mutex_unlock(&logger->txn_list_lock);
     } else {
         snapshot_txnids = NULL;
@@ -3544,6 +3559,14 @@ static void push_something_at_root (BRT brt, BRTNODE *nodep, BRT_MSG cmd)
         node->max_msn_applied_to_node_on_disk = cmd_msn;
 	node->dirty = 1;
    } else {
+	uint64_t msgsize = brt_msg_size(cmd);
+	brt_status.msg_bytes_in += msgsize;
+	brt_status.msg_bytes_curr += msgsize;
+	if (brt_status.msg_bytes_curr > brt_status.msg_bytes_max)
+	    brt_status.msg_bytes_max = brt_status.msg_bytes_curr;
+	brt_status.msg_num++;
+	if (brt_msg_applies_all(cmd))
+	    brt_status.msg_num_broadcast++;	
         brt_nonleaf_put_cmd(brt->compare_fun, &brt->h->descriptor, node, cmd, true);
     }
 }

src/ydb.c

@@ -79,6 +79,10 @@ static u_int64_t num_multi_updates;
 static u_int64_t num_multi_updates_fail;
 static u_int64_t num_point_queries;
 static u_int64_t num_sequential_queries;
+static u_int64_t num_db_open;
+static u_int64_t num_db_close;
+static u_int64_t num_open_dbs;
+static u_int64_t max_open_dbs; 
 
 static u_int64_t directory_read_locks;        /* total directory read locks taken */ 
 static u_int64_t directory_read_locks_fail;   /* total directory read locks unable to be taken */ 
@@ -3016,6 +3020,10 @@ env_note_db_opened(DB_ENV *env, DB *db) {
     OMTVALUE dbv;
     uint32_t idx;
     env->i->num_open_dbs++;
+    num_open_dbs = env->i->num_open_dbs;
+    num_db_open++;
+    if (num_open_dbs > max_open_dbs)
+	max_open_dbs = num_open_dbs;
     r = toku_omt_find_zero(env->i->open_dbs, find_db_by_db, db, &dbv, &idx);
     assert(r==DB_NOTFOUND); //Must not already be there.
     r = toku_omt_insert_at(env->i->open_dbs, db, idx);
@@ -3031,6 +3039,8 @@ env_note_db_closed(DB_ENV *env, DB *db) {
     OMTVALUE dbv;
     uint32_t idx;
     env->i->num_open_dbs--;
+    num_open_dbs = env->i->num_open_dbs;
+    num_db_close++;
     r = toku_omt_find_zero(env->i->open_dbs, find_db_by_db, db, &dbv, &idx);
     assert(r==0); //Must already be there.
     assert((DB*)dbv == db);