The easiest way to see high-level information about your Manticore node is by running status in mysql client. It will show you information about different things:
- current version
- whether SSL is in effect or not
- current TCP port/unix socket
- uptime
- number of threads
- number of jobs in queue
- number of connections (
clients) - number of tasks being processed now
- number of queries made since start
- number or jobs in queue and number of tasks normalized by number of threads
- SQL
mysql> status--------------
mysql Ver 14.14 Distrib 5.7.30, for Linux (x86_64) using EditLine wrapper
Connection id: 378
Current database: Manticore
Current user: Usual
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 3.4.3 a48c61d6@200702 coroutines git branch coroutines_work_junk...origin/coroutines_work_junk
Protocol version: 10
Connection: 0 via TCP/IP
Server characterset:
Db characterset:
Client characterset: utf8
Conn. characterset: utf8
TCP port: 8306
Uptime: 23 hours 6 sec
Threads: 12 Queue: 3 Clients: 1 Tasks: 5 Queries: 318967 Wall: 7h CPU: 0us
Queue/Th: 0.2 Tasks/Th: 0.4
--------------SHOW STATUS [ LIKE pattern ]SHOW STATUS is an SQL statement that displays a number of useful performance counters. IO and CPU counters will only be available if searchd was started with --iostats and --cpustats switches respectively (or they were enabled via SET GLOBAL iostats/cpustats=1).
- SQL
SHOW STATUS;+-----------------------+---------------------------+
| Counter | Value |
+-----------------------+---------------------------+
| uptime | 1385 |
| connections | 11 |
| maxed_out | 0 |
| version | 3.4.3 ab7cbe5d@200511 dev |
| mysql_version | 3.4.3 ab7cbe5d@200511 dev |
| command_search | 2 |
| command_excerpt | 0 |
| command_update | 0 |
| command_delete | 0 |
| command_keywords | 0 |
| command_persist | 0 |
| command_status | 1 |
| command_flushattrs | 0 |
| command_set | 1 |
| command_insert | 0 |
| command_replace | 0 |
| command_commit | 0 |
| command_suggest | 0 |
| command_json | 0 |
| command_callpq | 0 |
| agent_connect | 0 |
| agent_retry | 0 |
| queries | 12 |
| dist_queries | 0 |
| workers_total | 30 |
| workers_active | 1 |
| work_queue_length | 1 |
| query_wall | 10.805 |
| query_cpu | OFF |
| dist_wall | 0.000 |
| dist_local | 0.000 |
| dist_wait | 0.000 |
| query_reads | OFF |
| query_readkb | OFF |
| query_readtime | OFF |
| avg_query_wall | 0.900 |
| avg_query_cpu | OFF |
| avg_dist_wall | 0.000 |
| avg_dist_local | 0.000 |
| avg_dist_wait | 0.000 |
| avg_query_reads | OFF |
| avg_query_readkb | OFF |
| avg_query_readtime | OFF |
| qcache_max_bytes | 0 |
| qcache_thresh_msec | 3000 |
| qcache_ttl_sec | 60 |
| qcache_cached_queries | 0 |
| qcache_used_bytes | 0 |
| qcache_hits | 0 |
+-----------------------+---------------------------+
49 rows in set (0.00 sec)An optional LIKE clause is supported. It lets you pick just the variables that match a pattern. The pattern syntax is that of regular SQL wildcards, that is, % means any number of any characters, and _ means a single character.
- SQL
SHOW STATUS LIKE 'qcache%';+-----------------------+-------+
| Counter | Value |
+-----------------------+-------+
| qcache_max_bytes | 0 |
| qcache_thresh_msec | 3000 |
| qcache_ttl_sec | 60 |
| qcache_cached_queries | 0 |
| qcache_used_bytes | 0 |
| qcache_hits | 0 |
+-----------------------+-------+
6 rows in set (0.00 sec)SHOW AGENT ['agent_or_index'] STATUS [ LIKE pattern ]SHOW AGENT STATUS displays the statistic of remote agents or of a distributed index. It includes the values like the age of the last request, last answer, the number of different kind of errors and successes, etc. Statistic is shown for every agent for last 1, 5 and 15 intervals, each of them of ha_period_karma seconds.
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SHOW AGENT STATUS;+------------------------------------+----------------------------+
| Variable_name | Value |
+------------------------------------+----------------------------+
| status_period_seconds | 60 |
| status_stored_periods | 15 |
| ag_0_hostname | 192.168.0.202:6713 |
| ag_0_references | 2 |
| ag_0_lastquery | 0.41 |
| ag_0_lastanswer | 0.19 |
| ag_0_lastperiodmsec | 222 |
| ag_0_errorsarow | 0 |
| ag_0_1periods_query_timeouts | 0 |
| ag_0_1periods_connect_timeouts | 0 |
| ag_0_1periods_connect_failures | 0 |
| ag_0_1periods_network_errors | 0 |
| ag_0_1periods_wrong_replies | 0 |
| ag_0_1periods_unexpected_closings | 0 |
| ag_0_1periods_warnings | 0 |
| ag_0_1periods_succeeded_queries | 27 |
| ag_0_1periods_msecsperquery | 232.31 |
| ag_0_5periods_query_timeouts | 0 |
| ag_0_5periods_connect_timeouts | 0 |
| ag_0_5periods_connect_failures | 0 |
| ag_0_5periods_network_errors | 0 |
| ag_0_5periods_wrong_replies | 0 |
| ag_0_5periods_unexpected_closings | 0 |
| ag_0_5periods_warnings | 0 |
| ag_0_5periods_succeeded_queries | 146 |
| ag_0_5periods_msecsperquery | 231.83 |
| ag_1_hostname | 192.168.0.202:6714 |
| ag_1_references | 2 |
| ag_1_lastquery | 0.41 |
| ag_1_lastanswer | 0.19 |
| ag_1_lastperiodmsec | 220 |
| ag_1_errorsarow | 0 |
| ag_1_1periods_query_timeouts | 0 |
| ag_1_1periods_connect_timeouts | 0 |
| ag_1_1periods_connect_failures | 0 |
| ag_1_1periods_network_errors | 0 |
| ag_1_1periods_wrong_replies | 0 |
| ag_1_1periods_unexpected_closings | 0 |
| ag_1_1periods_warnings | 0 |
| ag_1_1periods_succeeded_queries | 27 |
| ag_1_1periods_msecsperquery | 231.24 |
| ag_1_5periods_query_timeouts | 0 |
| ag_1_5periods_connect_timeouts | 0 |
| ag_1_5periods_connect_failures | 0 |
| ag_1_5periods_network_errors | 0 |
| ag_1_5periods_wrong_replies | 0 |
| ag_1_5periods_unexpected_closings | 0 |
| ag_1_5periods_warnings | 0 |
| ag_1_5periods_succeeded_queries | 146 |
| ag_1_5periods_msecsperquery | 230.85 |
+------------------------------------+----------------------------+
50 rows in set (0.01 sec)An optional LIKE clause is supported, syntax is the same as in SHOW STATUS.
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SHOW AGENT STATUS LIKE '%5period%msec%';+-----------------------------+--------+
| Key | Value |
+-----------------------------+--------+
| ag_0_5periods_msecsperquery | 234.72 |
| ag_1_5periods_msecsperquery | 233.73 |
| ag_2_5periods_msecsperquery | 343.81 |
+-----------------------------+--------+
3 rows in set (0.00 sec)You can specify a particular agent by its address. In this case only that agent's data will be displayed. Also, agent_ prefix will be used instead of ag_N_:
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SHOW AGENT '192.168.0.202:6714' STATUS LIKE '%15periods%';+-------------------------------------+--------+
| Variable_name | Value |
+-------------------------------------+--------+
| agent_15periods_query_timeouts | 0 |
| agent_15periods_connect_timeouts | 0 |
| agent_15periods_connect_failures | 0 |
| agent_15periods_network_errors | 0 |
| agent_15periods_wrong_replies | 0 |
| agent_15periods_unexpected_closings | 0 |
| agent_15periods_warnings | 0 |
| agent_15periods_succeeded_queries | 439 |
| agent_15periods_msecsperquery | 231.73 |
+-------------------------------------+--------+
9 rows in set (0.00 sec)Finally, you can check the status of the agents in a specific distributed index. It can be done with a SHOW AGENT index_name STATUS statement. That statement shows the index HA status (i.e. whether or not it uses agent mirrors at all), and then the mirror information (specifically: address, blackhole and persistent flags, and the mirror selection probability used when one of the weighted probability strategies is in effect).
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SHOW AGENT dist_index STATUS;+--------------------------------------+--------------------------------+
| Variable_name | Value |
+--------------------------------------+--------------------------------+
| dstindex_1_is_ha | 1 |
| dstindex_1mirror1_id | 192.168.0.202:6713:loc |
| dstindex_1mirror1_probability_weight | 0.372864 |
| dstindex_1mirror1_is_blackhole | 0 |
| dstindex_1mirror1_is_persistent | 0 |
| dstindex_1mirror2_id | 192.168.0.202:6714:loc |
| dstindex_1mirror2_probability_weight | 0.374635 |
| dstindex_1mirror2_is_blackhole | 0 |
| dstindex_1mirror2_is_persistent | 0 |
| dstindex_1mirror3_id | dev1.manticoresearch.com:6714:loc |
| dstindex_1mirror3_probability_weight | 0.252501 |
| dstindex_1mirror3_is_blackhole | 0 |
| dstindex_1mirror3_is_persistent | 0 |
+--------------------------------------+--------------------------------+
13 rows in set (0.00 sec)SHOW CHARACTER SETThis is currently a placeholder query that does nothing and reports that a UTF-8 character set is available. It was added in order to keep compatibility with frameworks and connectors that automatically execute this statement.
mysql> SHOW CHARACTER SET;
+---------+---------------+-------------------+--------+
| Charset | Description | Default collation | Maxlen |
+---------+---------------+-------------------+--------+
| utf8 | UTF-8 Unicode | utf8_general_ci | 3 |
+---------+---------------+-------------------+--------+
1 row in set (0.00 sec)SHOW META [ LIKE pattern ]SHOW META is an SQL statement that shows additional meta-information about the latest query such as query time and keyword statistics. The syntax is:
- SQL
SELECT id,channel_id FROM records WHERE MATCH('one|two|three') limit 5;
SHOW META;+--------+----------------+
| id | channel_id |
+--------+----------------+
| 630768 | 1054702.000000 |
| 586645 | 1057204.000000 |
| 523391 | 1061514.000000 |
| 402383 | 1069381.000000 |
| 456106 | 1065936.000000 |
+--------+----------------+
5 rows in set (0.40 sec)
+---------------+--------+
| Variable_name | Value |
+---------------+--------+
| total | 1000 |
| total_found | 311736 |
| time | 0.407 |
| keyword[0] | one |
| docs[0] | 265709 |
| hits[0] | 538323 |
| keyword[1] | two |
| docs[1] | 96044 |
| hits[1] | 138576 |
| keyword[2] | three |
| docs[2] | 43272 |
| hits[2] | 69104 |
+---------------+--------+
12 rows in set (0.00 sec)SHOW META can show IO and CPU counters, but they will only be available if searchd was started with --iostats and --cpustats switches respectively.
- SQL
SELECT id,channel_id FROM records WHERE MATCH('one|two|three') limit 5;
SHOW META;+--------+----------------+
| id | channel_id |
+--------+----------------+
| 630768 | 1054702.000000 |
| 586645 | 1057204.000000 |
| 523391 | 1061514.000000 |
| 402383 | 1069381.000000 |
| 456106 | 1065936.000000 |
+--------+----------------+
5 rows in set (0.43 sec)
+-----------------------+---------+
| Variable_name | Value |
+-----------------------+---------+
| total | 1000 |
| total_found | 311736 |
| time | 0.431 |
| cpu_time | 431.096 |
| agents_cpu_time | 0.000 |
| io_read_time | 0.000 |
| io_read_ops | 0 |
| io_read_kbytes | 0.0 |
| io_write_time | 0.000 |
| io_write_ops | 0 |
| io_write_kbytes | 0.0 |
| agent_io_read_time | 0.000 |
| agent_io_read_ops | 0 |
| agent_io_read_kbytes | 0.0 |
| agent_io_write_time | 0.000 |
| agent_io_write_ops | 0 |
| agent_io_write_kbytes | 0.0 |
| keyword[0] | one |
| docs[0] | 265709 |
| hits[0] | 538323 |
| keyword[1] | two |
| docs[1] | 96044 |
| hits[1] | 138576 |
| keyword[2] | three |
| docs[2] | 43272 |
| hits[2] | 69104 |
+-----------------------+---------+
26 rows in set (0.00 sec)Additional predicted_time, dist_predicted_time, local_fetched_docs, local_fetched_hits, local_fetched_skips and their respective dist_fetched_* counterparts will only be available if searchd was configured with predicted time costs and query had predicted_time in the OPTION clause.
- SQL
SELECT id,channel_id FROM records WHERE MATCH('one|two|three') limit 5 option max_predicted_time=100;
SHOW META;+--------+----------------+
| id | channel_id |
+--------+----------------+
| 630768 | 1054702.000000 |
| 586645 | 1057204.000000 |
| 523391 | 1061514.000000 |
| 402383 | 1069381.000000 |
| 456106 | 1065936.000000 |
+--------+----------------+
5 rows in set (0.41 sec)
+---------------------+--------+
| Variable_name | Value |
+---------------------+--------+
| total | 1000 |
| total_found | 311736 |
| time | 0.405 |
| local_fetched_docs | 405025 |
| local_fetched_hits | 746003 |
| local_fetched_skips | 0 |
| predicted_time | 81 |
| keyword[0] | one |
| docs[0] | 265709 |
| hits[0] | 538323 |
| keyword[1] | two |
| docs[1] | 96044 |
| hits[1] | 138576 |
| keyword[2] | three |
| docs[2] | 43272 |
| hits[2] | 69104 |
+---------------------+--------+
16 rows in set (0.00 sec)SHOW META needs to run right after the query was executed in the same session. As some mysql connectors/libraries use connection pools, running SHOW META in a separate statement an lead to unexpected results like getting meta from another query. In these cases (and recommended in general) is to run a multiple statement containing query + SHOW META. Some connectors/libraries support o multi-queries on same method for single statement, other may require usage of a dedicated method for multi-queries or setting specific options at connection setup.
- SQL
SELECT id,channel_id FROM records WHERE MATCH('one|two|three') LIMIT 5; SHOW META;+--------+----------------+
| id | channel_id |
+--------+----------------+
| 630768 | 1054702.000000 |
| 586645 | 1057204.000000 |
| 523391 | 1061514.000000 |
| 402383 | 1069381.000000 |
| 456106 | 1065936.000000 |
+--------+----------------+
5 rows in set (0.41 sec)
+---------------+--------+
| Variable_name | Value |
+---------------+--------+
| total | 1000 |
| total_found | 311736 |
| time | 0.407 |
| keyword[0] | one |
| docs[0] | 265709 |
| hits[0] | 538323 |
| keyword[1] | two |
| docs[1] | 96044 |
| hits[1] | 138576 |
| keyword[2] | three |
| docs[2] | 43272 |
| hits[2] | 69104 |
+---------------+--------+
12 rows in set (0.00 sec)You can also use the optional LIKE clause. It lets you pick just the variables that match a pattern. The pattern syntax is that of regular SQL wildcards, that is, % means any number of any characters, and _ means a single character.
- SQL
SHOW META LIKE 'total%';+---------------+--------+
| Variable_name | Value |
+---------------+--------+
| total | 1000 |
| total_found | 311736 |
+---------------+--------+
2 rows in set (0.00 sec)When using faceted search, you can check multiplier field in SHOW META output to see how many queries were run in an optimized group.
- SQL
SELECT * FROM facetdemo FACET brand_id FACET price FACET categories;
SHOW META LIKE 'multiplier';+------+-------+----------+---------------------+-------------+-------------+---------------------------------------+------------+
| id | price | brand_id | title | brand_name | property | j | categories |
+------+-------+----------+---------------------+-------------+-------------+---------------------------------------+------------+
| 1 | 306 | 1 | Product Ten Three | Brand One | Six_Ten | {"prop1":66,"prop2":91,"prop3":"One"} | 10,11 |
...
+----------+----------+
| brand_id | count(*) |
+----------+----------+
| 1 | 1013 |
...
+-------+----------+
| price | count(*) |
+-------+----------+
| 306 | 7 |
...
+------------+----------+
| categories | count(*) |
+------------+----------+
| 10 | 2436 |
...
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| multiplier | 4 |
+---------------+-------+
1 row in set (0.00 sec)SHOW META can be used after executing a CALL PQ statement. In this case, it provides a different output.
SHOW META after a CALL PQ statement contains:
Total- total time spent on matching the document(s)Queries matched- how many stored queries match the document(s)Document matches- how many documents matched the queries stored in the indexTotal queries stored- number of queries stored in the indexTerm only queries- how many queries in the index have terms. The rest of the queries have extended query syntax.
- SQL
CALL PQ ('pq', ('{"title":"angry", "gid":3 }')); SHOW META;+------+
| id |
+------+
| 2 |
+------+
1 row in set (0.00 sec)
+-----------------------+-----------+
| Name | Value |
+-----------------------+-----------+
| Total | 0.000 sec |
| Queries matched | 1 |
| Queries failed | 0 |
| Document matched | 1 |
| Total queries stored | 2 |
| Term only queries | 2 |
| Fast rejected queries | 1 |
+-----------------------+-----------+
7 rows in set (0.00 sec)CALL PQ with a verbose option gives a more detailed output.
It includes the following additional entries:
Setup- time spent on initial setup of the matching process: parsing docs, setting options, etc.Queries failed- number of queries that failedFast rejected queries- number of queries that were not fully evaluated, but quickly matched and rejected with filters or other conditionsTime per query- detailed times for each queryTime of matched queries- total time spent on queries that matched any documents
- SQL
CALL PQ ('pq', ('{"title":"angry", "gid":3 }'), 1 as verbose); SHOW META;+------+
| id |
+------+
| 2 |
+------+
1 row in set (0.00 sec)
+-------------------------+-----------+
| Name | Value |
+-------------------------+-----------+
| Total | 0.000 sec |
| Setup | 0.000 sec |
| Queries matched | 1 |
| Queries failed | 0 |
| Document matched | 1 |
| Total queries stored | 2 |
| Term only queries | 2 |
| Fast rejected queries | 1 |
| Time per query | 69 |
| Time of matched queries | 69 |
+-------------------------+-----------+
10 rows in set (0.00 sec)SHOW THREADS [ OPTION columns=width[,format=sphinxql][,format=all] ]SHOW THREADS is an SQL statement that lists all threads information about what they are doing at the moment.
It returns a table with following columns:
Tid: id assigned to the thread by the kernelName: thread name, you can also see this name intop,htop,psand other unix tools to monitor thread's statisticsProto: connection protocol, possible values aresphinx,mysql,http,ssl,compressedandreplicationor combination (e.g.http,sslorcompressed,mysql)State: thread state, possible values arehandshake,net_read,net_write,query,net_idleHost:ip:portof the clientConnID: connection id (starting from 0)Time: current job's duration (in seconds, with microsecond precision) or uptime of the thread in case offormat=allwhen the thread is idlingWork time: uptime of the threadWork time CPU: effective CPU time (requires--cpustats)Jobs done: how many jobs this thread has completedLast job took: last job's durationIn idle: whether the thread is idling now or when it was last idlingInfo: information about the query, can have multiple queries in case the query is against a distributed index or a real-time index
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SHOW THREADS;*************************** 1. row ***************************
Tid: 31797
Name: work_3
Proto: mysql
State: query
Host: 127.0.0.1:43388
ConnID: 4931
Time: 0.000903
Work time: 2s
Work time CPU: 0us
Thd efficiency: 0.00%
Jobs done: 2066
Last job took: 930us
In idle: No (working)
Info: insert into t values(0,'abc'),(0,'def')
*************************** 2. row ***************************
Tid: 31799
Name: work_5
Proto: mysql
State: query
Host: 127.0.0.1:43390
ConnID: 4932
Time: 0.000042
Work time: 2s
Work time CPU: 0us
Thd efficiency: 0.00%
Jobs done: 2072
Last job took: 66us
In idle: No (working)
Info: show threadsInfo column shows:
- raw text of queries run through Manticore SQL interface
- full text syntax, comments and data size for queries run via internal Manticore binary protocol (e.g. from a remote Manticore instance)
Maximum width of the Info column can be limited by specifying the columns=N option (notice the second row in the example table).
By default, queries are shown in their original format. When the format=sphinxql option is specified, the queries will be shown in SQL format regardless of protocol through which they were executed.
format=all displays all threads, otherwise idling and system threads are hidden (e.g. those busy with OPTIMIZE)
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SHOW THREADS OPTION columns=30\Gmysql> show threads option columns=30\G
*************************** 1. row ***************************
Tid: 9156
Name: work_2
Proto: mysql
State: query
Host: 127.0.0.1:53298
ConnID: 20112
Time: 0.002291
Work time: 12s
Work time CPU: 0us
Thd efficiency: 0.00%
Jobs done: 8497
Last job took: 2ms
In idle: No (working)
Info: insert into t values(0,'abc'),
*************************** 2. row ***************************
Tid: 9159
Name: work_5
Proto: mysql
State: query
Host: 127.0.0.1:57698
ConnID: 8196
Time: 0.000042
Work time: 11s
Work time CPU: 0us
Thd efficiency: 0.00%
Jobs done: 8547
Last job took: 78us
In idle: No (working)
Info: show threads option columns=30
2 rows in set (0.00 sec)