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* Event per wait total latency

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* Event per wait read latency
* Event per wait write latency
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root 2016-10-10 16:54:45 +02:00
parent 16f0d5d9ff
commit ad9228d029
2 changed files with 56 additions and 5 deletions
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32
INTERNALS.md
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@ -17,13 +17,17 @@
* [Global buffer information](#mysqltuner-global-buffer-information)
* [Query cache checks](#mysqltuner-query-cache-checks)
* [Slow queries checks](#mysqltuner-slow-queries-checks)
* [ThreadPool information](#mysqltuner-threadpool-information)
* [Replication checks](#mysqltuner-replication-checks)
* [InnoDB information](#mysqltuner-innodb-information)
* [ARIADB information](#mysqltuner-ariadb-information)
* [MYISAM information](#mysqltuner-myisam-information)
* [GALERA information](#mysqltuner-galera-information)
* [ARIADB information](#mysqltuner-ariadb-information)
* [XTRADB information](#mysqltuner-xtradb-information)
* [TOKUDB information](#mysqltuner-tokudb-information)
* [ThreadPool information](#mysqltuner-threadpool-information)
* [ROCKDB information](#mysqltuner-rockdb-information)
* [CONNECT information](#mysqltuner-connect-information)
* [SPIDER information](#mysqltuner-spider-information)
* [GALERA information](#mysqltuner-galera-information)
* [Performance Schema information](#mysqltuner-performance-schema-and-sysschema-information)
## MySQLTuner steps
@ -266,6 +270,22 @@
* tokudb_cleaner_iterations
* tokudb_fanout
## MySQLTuner XtraDB information
* Nothing for the moment
## MySQLTuner Connect information
* Nothing for the moment
## MySQLTuner Spider information
* Nothing for the moment
## MySQLTuner RocksDb information
* Nothing for the moment
## MySQLTuner Thread pool information
* thread_pool_size between 16 to 36 for Innodb usage
@ -322,4 +342,8 @@
* File per IO read latency
* File per IO write latency
* Event Wait by read bytes
* Event Wait by write bytes
* Event Wait by write bytes
* Event per wait total latency
* Event per wait read latency
* Event per wait write latency

29
mysqltuner.pl
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@ -3612,9 +3612,36 @@ sub mysqsl_pfs {
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
# event per wait total latency
subheaderprint "Performance schema: event per wait total latency";
$nbL=1;
for my $lQuery(select_array ('use sys;select event_name, total_latency from io_global_by_wait_by_latency ORDER BY total_latency DESC LIMIT 20;')) {
infoprint " +-- $nbL: $lQuery";
$nbL++;
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
# event per wait read latency
subheaderprint "Performance schema: event per wait read latency";
$nbL=1;
for my $lQuery(select_array ('use sys;select event_name, read_latency from io_global_by_wait_by_latency ORDER BY read_latency DESC LIMIT 20;')) {
infoprint " +-- $nbL: $lQuery";
$nbL++;
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
# event per wait write latency
subheaderprint "Performance schema: event per wait write latency";
$nbL=1;
for my $lQuery(select_array ('use sys;select event_name, write_latency from io_global_by_wait_by_latency ORDER BY write_latency DESC LIMIT 20;')) {
infoprint " +-- $nbL: $lQuery";
$nbL++;
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
##################################################################################
#io_global_by_wait_by_latency
# Latest file IO by latency
subheaderprint "Performance schema: Latest FILE IO by latency";
$nbL=1;