1、查看数据库版本
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mysql> show variables like
'version'
;
+---------------+----------+
| Variable_name | Value |
+---------------+----------+
| version |
5.6
.
4
-m7 |
+---------------+----------+
1
row in set (
0.00
sec)
|
2、查看服务器状态
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mysql> status
--------------
./mysql Ver
14.14
Distrib
5.6.
4
-m7,
for
Linux (x86_64) using EditLine wrapper
Connection id:
3
Current database:
Current user: root@localhost
SSL: Not
in
use
Current pager: stdout
Using outfile:
''
Using delimiter: ;
Server version:
5.6.
4
-m7 Source distribution
Protocol version:
10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /tmp/mysql.sock
Uptime:
26
min
33
sec
Threads:
1
Questions:
6
Slow queries:
0
Opens:
66
Flush tables:
1
Open tables:
59
Queries per second avg:
0.003
该列表中主要包括MySQL的版本（为version
5.6.
4
）、运行平台（linux（x86_64））、数据库连接的ID、当前连接用户、以及连接的方式（本次连接采用UNIX socket，而未使用SSL）、服务端的字符集、MySQL运行时间和线程、查询、表的一些参数。
|
3、查看数据库存储引擎
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mysql> show engines;
+--------------------+---------+------------------------------------------------------------+--------------+------+------------+
| Engine | Support | Comment | Transactions | XA | Savepoints |
+--------------------+---------+------------------------------------------------------------+--------------+------+------------+
| MyISAM | YES | MyISAM storage engine | NO | NO | NO |
| InnoDB | DEFAULT | Supports transactions, row-level locking,
and
foreign keys | YES | YES | YES |
| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO |
| CSV | YES | CSV storage engine | NO | NO | NO |
| MEMORY | YES | Hash based, stored
in
memory, useful
for
temporary tables | NO | NO | NO |
+--------------------+---------+------------------------------------------------------------+--------------+------+------------+
6
rows
in
set (
0.00
sec)
MySQL
5.6
默认的引擎为innodb。
|
4、查看引擎插件
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mysql> show plugins;
+----------------------------+--------+--------------------+---------+---------+
| Name | Status | Type | Library | License |
+----------------------------+--------+--------------------+---------+---------+
| binlog | ACTIVE | STORAGE ENGINE | NULL | GPL |
| mysql_native_password | ACTIVE | AUTHENTICATION | NULL | GPL |
| mysql_old_password | ACTIVE | AUTHENTICATION | NULL | GPL |
| MyISAM | ACTIVE | STORAGE ENGINE | NULL | GPL |
| MRG_MYISAM | ACTIVE | STORAGE ENGINE | NULL | GPL |
| MEMORY | ACTIVE | STORAGE ENGINE | NULL | GPL |
| CSV | ACTIVE | STORAGE ENGINE | NULL | GPL |
| PERFORMANCE_SCHEMA | ACTIVE | STORAGE ENGINE | NULL | GPL |
| InnoDB | ACTIVE | STORAGE ENGINE | NULL | GPL |
| INNODB_TRX | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_LOCKS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_LOCK_WAITS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_CMP | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_CMP_RESET | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_CMPMEM | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_CMPMEM_RESET | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_BUFFER_PAGE | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_BUFFER_PAGE_LRU | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_BUFFER_POOL_STATS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_METRICS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_DEFAULT_STOPWORD | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_INSERTED | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_DELETED | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_BEING_DELETED | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_CONFIG | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_INDEX_CACHE | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_FT_INDEX_TABLE | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_TABLES | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_TABLESTATS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_INDEXES | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_COLUMNS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_FIELDS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_FOREIGN | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_FOREIGN_COLS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| partition | ACTIVE | STORAGE ENGINE | NULL | GPL |
+----------------------------+--------+--------------------+---------+---------+
35
rows in set (
0.01
sec)
|
5、查看引擎状态
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mysql> Show engine innodb status;
+--------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Type | Name | Status |
+--------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| InnoDB | |
=====================================
150206
13
:
21
:
41
INNODB MONITOR OUTPUT
=====================================
Per second averages calculated
from
the
last
32
seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops:
0
srv_active,
0
srv_shutdown,
3076
srv_idle
srv_master_thread log flush
and
writes:
3076
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count
2
OS WAIT ARRAY INFO: signal count
2
Mutex spin waits
0
, rounds
0
, OS waits
0
RW-shared spins
2
, rounds
60
, OS waits
2
RW-excl spins
0
, rounds
0
, OS waits
0
Spin rounds per wait:
0.00
mutex,
30.00
RW-shared,
0.00
RW-excl
------------
TRANSACTIONS
------------
Trx id counter
2817
Purge done
for
trx's n:o <
0
undo n:o <
0
History list length
0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION
0
,
not
started
MySQL thread id
3
, OS thread handle
0x7f56600f3700
, query id
15
localhost root
init
Show engine innodb status
--------
FILE I/O
--------
I/O thread
0
state: waiting
for
completed aio requests (
insert
buffer thread)
I/O thread
1
state: waiting
for
completed aio requests (log thread)
I/O thread
2
state: waiting
for
completed aio requests (read thread)
I/O thread
3
state: waiting
for
completed aio requests (read thread)
I/O thread
4
state: waiting
for
completed aio requests (read thread)
I/O thread
5
state: waiting
for
completed aio requests (read thread)
I/O thread
6
state: waiting
for
completed aio requests (write thread)
I/O thread
7
state: waiting
for
completed aio requests (write thread)
I/O thread
8
state: waiting
for
completed aio requests (write thread)
I/O thread
9
state: waiting
for
completed aio requests (write thread)
Pending normal aio reads:
0
[
0
,
0
,
0
,
0
] , aio writes:
0
[
0
,
0
,
0
,
0
] ,
ibuf aio reads:
0
, log i/o
's: 0, sync i/o'
s:
0
Pending flushes (fsync) log:
0
; buffer pool:
0
156
OS file reads,
5
OS file writes,
5
OS fsyncs
0.00
reads/s,
0
avg bytes/read,
0.00
writes/s,
0.00
fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size
1
, free list len
0
, seg size
2
,
0
merges
merged operations:
insert
0
,
delete
mark
0
,
delete
0
discarded operations:
insert
0
,
delete
mark
0
,
delete
0
Hash table size
276707
, node heap has
0
buffer(s)
0.00
hash searches/s,
0.00
non-hash searches/s
---
LOG
---
Log sequence number
1602881
Log flushed up to
1602881
Pages flushed up to
1602881
Last checkpoint
at
1602881
0
pending log writes,
0
pending chkp writes
8
log i/o
's done, 0.00 log i/o'
s/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total memory allocated
137363456
;
in
additional pool allocated
0
Dictionary memory allocated
34906
Buffer pool size
8192
Free buffers
8047
Database pages
145
Old database pages
0
Modified db pages
0
Pending reads
0
Pending writes: LRU
0
, flush list
0
single page
0
Pages made young
0
,
not
young
0
0.00
youngs/s,
0.00
non-youngs/s
Pages read
145
, created
0
, written
1
0.00
reads/s,
0.00
creates/s,
0.00
writes/s
Buffer pool hit rate
1000
/
1000
, young-making rate
0
/
1000
not
0
/
1000
Pages read ahead
0.00
/s, evicted without access
0.00
/s, Random read ahead
0.00
/s
LRU len:
145
, unzip_LRU len:
0
I/O sum[
0
]:cur[
0
], unzip sum[
0
]:cur[
0
]
--------------
ROW OPERATIONS
--------------
0
queries inside InnoDB,
0
queries
in
queue
0
read views open inside InnoDB
Main thread process no.
4728
, id
140008597153536
, state: sleeping
Number
of rows inserted
0
, updated
0
, deleted
0
, read
0
0.00
inserts/s,
0.00
updates/s,
0.00
deletes/s,
0.00
reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
|
+--------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1
row
in
set (
0.01
sec)
|
6、查看数据库状态统计
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mysql> show status;
+-------------------------------------------+-------------+
| Variable_name | Value |
+-------------------------------------------+-------------+
| Aborted_clients |
0
|
| Aborted_connects |
1
|
| Binlog_cache_disk_use |
0
|
| Binlog_cache_use |
0
|
| Binlog_stmt_cache_disk_use |
0
|
| Binlog_stmt_cache_use |
0
|
| Bytes_received |
1333
|
| Bytes_sent |
53031
|
| Com_admin_commands |
0
|
| Com_assign_to_keycache |
0
|
| Com_alter_db |
0
|
| Com_alter_db_upgrade |
0
|
| Com_alter_event |
0
|
| Com_alter_function |
0
|
| Com_alter_procedure |
0
|
| Com_alter_server |
0
|
| Com_alter_table |
0
|
| Com_alter_tablespace |
0
|
| Com_analyze |
0
|
| Com_begin |
0
|
| Com_binlog |
0
|
| Com_call_procedure |
0
|
| Com_change_db |
1
|
| Com_change_master |
0
|
| Com_check |
0
|
| Com_checksum |
0
|
| Com_commit |
0
|
| Com_create_db |
0
|
| Com_create_event |
0
|
| Com_create_function |
0
|
| Com_create_index |
0
|
| Com_create_procedure |
0
|
| Com_create_server |
0
|
| Com_create_table |
0
|
| Com_create_trigger |
0
|
| Com_create_udf |
0
|
| Com_create_user |
0
|
| Com_create_view |
0
|
| Com_dealloc_sql |
0
|
| Com_delete |
0
|
| Com_delete_multi |
0
|
| Com_do |
0
|
| Com_drop_db |
0
|
| Com_drop_event |
0
|
| Com_drop_function |
0
|
| Com_drop_index |
0
|
| Com_drop_procedure |
0
|
| Com_drop_server |
0
|
| Com_drop_table |
0
|
| Com_drop_trigger |
0
|
| Com_drop_user |
0
|
| Com_drop_view |
0
|
| Com_empty_query |
0
|
| Com_execute_sql |
0
|
| Com_flush |
0
|
| Com_get_diagnostics |
0
|
| Com_grant |
0
|
| Com_ha_close |
0
|
| Com_ha_open |
0
|
| Com_ha_read |
0
|
| Com_help |
0
|
| Com_insert |
0
|
| Com_insert_select |
0
|
| Com_install_plugin |
0
|
| Com_kill |
0
|
| Com_load |
0
|
| Com_lock_tables |
0
|
| Com_optimize |
0
|
| Com_preload_keys |
0
|
| Com_prepare_sql |
0
|
| Com_purge |
0
|
| Com_purge_before_date |
0
|
| Com_release_savepoint |
0
|
| Com_rename_table |
0
|
| Com_rename_user |
0
|
| Com_repair |
0
|
| Com_replace |
0
|
| Com_replace_select |
0
|
| Com_reset |
0
|
| Com_resignal |
0
|
| Com_revoke |
0
|
| Com_revoke_all |
0
|
| Com_rollback |
0
|
| Com_rollback_to_savepoint |
0
|
| Com_savepoint |
0
|
| Com_select |
4
|
| Com_set_option |
0
|
| Com_signal |
0
|
| Com_show_authors |
0
|
| Com_show_binlog_events |
0
|
| Com_show_binlogs |
0
|
| Com_show_charsets |
0
|
| Com_show_collations |
0
|
| Com_show_contributors |
0
|
| Com_show_create_db |
0
|
| Com_show_create_event |
0
|
| Com_show_create_func |
0
|
| Com_show_create_proc |
0
|
| Com_show_create_table |
0
|
| Com_show_create_trigger |
0
|
| Com_show_databases |
1
|
| Com_show_engine_logs |
0
|
| Com_show_engine_mutex |
0
|
| Com_show_engine_status |
1
|
| Com_show_events |
0
|
| Com_show_errors |
0
|
| Com_show_fields |
29
|
| Com_show_function_code |
0
|
| Com_show_function_status |
0
|
| Com_show_grants |
0
|
| Com_show_keys |
0
|
| Com_show_master_status |
2
|
| Com_show_open_tables |
0
|
| Com_show_plugins |
1
|
| Com_show_privileges |
0
|
| Com_show_procedure_code |
0
|
| Com_show_procedure_status |
1
|
| Com_show_processlist |
0
|
| Com_show_profile |
0
|
| Com_show_profiles |
0
|
| Com_show_relaylog_events |
0
|
| Com_show_slave_hosts |
0
|
| Com_show_slave_status |
1
|
| Com_show_status |
2
|
| Com_show_storage_engines |
3
|
| Com_show_table_status |
1
|
| Com_show_tables |
1
|
| Com_show_triggers |
0
|
| Com_show_variables |
3
|
| Com_show_warnings |
0
|
| Com_slave_start |
0
|
| Com_slave_stop |
0
|
| Com_stmt_close |
0
|
| Com_stmt_execute |
0
|
| Com_stmt_fetch |
0
|
| Com_stmt_prepare |
0
|
| Com_stmt_reprepare |
0
|
| Com_stmt_reset |
0
|
| Com_stmt_send_long_data |
0
|
| Com_truncate |
0
|
| Com_uninstall_plugin |
0
|
| Com_unlock_tables |
0
|
| Com_update |
0
|
| Com_update_multi |
0
|
| Com_xa_commit |
0
|
| Com_xa_end |
0
|
| Com_xa_prepare |
0
|
| Com_xa_recover |
0
|
| Com_xa_rollback |
0
|
| Com_xa_start |
0
|
| Compression | OFF |
| Connections |
4
|
| Created_tmp_disk_tables |
2
|
| Created_tmp_files |
5
|
| Created_tmp_tables |
11
|
| Delayed_errors |
0
|
| Delayed_insert_threads |
0
|
| Delayed_writes |
0
|
| Flush_commands |
1
|
| Handler_commit |
0
|
| Handler_delete |
0
|
| Handler_discover |
0
|
| Handler_external_lock |
2
|
| Handler_mrr_init |
0
|
| Handler_prepare |
0
|
| Handler_read_first |
1
|
| Handler_read_key |
2
|
| Handler_read_last |
0
|
| Handler_read_next |
0
|
| Handler_read_prev |
0
|
| Handler_read_rnd |
0
|
| Handler_read_rnd_next |
515
|
| Handler_rollback |
0
|
| Handler_savepoint |
0
|
| Handler_savepoint_rollback |
0
|
| Handler_update |
0
|
| Handler_write |
504
|
| Innodb_buffer_pool_dump_status |
not
started |
| Innodb_buffer_pool_load_status |
not
started |
| Innodb_buffer_pool_pages_data |
150
|
| Innodb_buffer_pool_pages_dirty |
0
|
| Innodb_buffer_pool_pages_flushed |
2
|
| Innodb_buffer_pool_pages_free |
8042
|
| Innodb_buffer_pool_pages_misc |
0
|
| Innodb_buffer_pool_pages_total |
8192
|
| Innodb_buffer_pool_read_ahead_rnd |
0
|
| Innodb_buffer_pool_read_ahead |
0
|
| Innodb_buffer_pool_read_ahead_evicted |
0
|
| Innodb_buffer_pool_read_requests |
3750
|
| Innodb_buffer_pool_reads |
151
|
| Innodb_buffer_pool_wait_free |
0
|
| Innodb_buffer_pool_write_requests |
1
|
| Innodb_data_fsyncs |
5
|
| Innodb_data_pending_fsyncs |
0
|
| Innodb_data_pending_reads |
0
|
| Innodb_data_pending_writes |
0
|
| Innodb_data_read |
4657152
|
| Innodb_data_reads |
161
|
| Innodb_data_writes |
5
|
| Innodb_data_written |
34304
|
| Innodb_dblwr_pages_written |
1
|
| Innodb_dblwr_writes |
1
|
| Innodb_have_atomic_builtins | ON |
| Innodb_log_waits |
0
|
| Innodb_log_write_requests |
0
|
| Innodb_log_writes |
1
|
| Innodb_os_log_fsyncs |
3
|
| Innodb_os_log_pending_fsyncs |
0
|
| Innodb_os_log_pending_writes |
0
|
| Innodb_os_log_written |
512
|
| Innodb_page_size |
16384
|
| Innodb_pages_created |
0
|
| Innodb_pages_read |
150
|
| Innodb_pages_written |
1
|
| Innodb_row_lock_current_waits |
0
|
| Innodb_row_lock_time |
0
|
| Innodb_row_lock_time_avg |
0
|
| Innodb_row_lock_time_max |
0
|
| Innodb_row_lock_waits |
0
|
| Innodb_rows_deleted |
0
|
| Innodb_rows_inserted |
0
|
| Innodb_rows_read |
0
|
| Innodb_rows_updated |
0
|
| Innodb_num_open_files |
3
|
| Innodb_truncated_status_writes |
0
|
| Key_blocks_not_flushed |
0
|
| Key_blocks_unused |
6698
|
| Key_blocks_used |
0
|
| Key_read_requests |
0
|
| Key_reads |
0
|
| Key_write_requests |
0
|
| Key_writes |
0
|
| Last_query_cost |
10.499000
|
| Max_used_connections |
1
|
| Not_flushed_delayed_rows |
0
|
| Open_files |
54
|
| Open_streams |
0
|
| Open_table_definitions |
77
|
| Open_tables |
77
|
| Opened_files |
195
|
| Opened_table_definitions |
11
|
| Opened_tables |
18
|
| Performance_schema_accounts_lost |
0
|
| Performance_schema_cond_classes_lost |
0
|
| Performance_schema_cond_instances_lost |
0
|
| Performance_schema_file_classes_lost |
0
|
| Performance_schema_file_handles_lost |
0
|
| Performance_schema_file_instances_lost |
0
|
| Performance_schema_hosts_lost |
0
|
| Performance_schema_locker_lost |
0
|
| Performance_schema_mutex_classes_lost |
0
|
| Performance_schema_mutex_instances_lost |
0
|
| Performance_schema_rwlock_classes_lost |
0
|
| Performance_schema_rwlock_instances_lost |
0
|
| Performance_schema_socket_classes_lost |
0
|
| Performance_schema_socket_instances_lost |
0
|
| Performance_schema_stage_classes_lost |
0
|
| Performance_schema_statement_classes_lost |
0
|
| Performance_schema_table_handles_lost |
0
|
| Performance_schema_table_instances_lost |
0
|
| Performance_schema_thread_classes_lost |
0
|
| Performance_schema_thread_instances_lost |
0
|
| Performance_schema_users_lost |
0
|
| Prepared_stmt_count |
0
|
| Qcache_free_blocks |
0
|
| Qcache_free_memory |
0
|
| Qcache_hits |
0
|
| Qcache_inserts |
0
|
| Qcache_lowmem_prunes |
0
|
| Qcache_not_cached |
0
|
| Qcache_queries_in_cache |
0
|
| Qcache_total_blocks |
0
|
| Queries |
56
|
| Questions |
54
|
| Select_full_join |
0
|
| Select_full_range_join |
0
|
| Select_range |
0
|
| Select_range_check |
0
|
| Select_scan |
11
|
| Slave_heartbeat_period |
0.000
|
| Slave_last_heartbeat | |
| Slave_open_temp_tables |
0
|
| Slave_received_heartbeats |
0
|
| Slave_retried_transactions |
0
|
| Slave_running | OFF |
| Slow_launch_threads |
0
|
| Slow_queries |
0
|
| Sort_merge_passes |
0
|
| Sort_range |
0
|
| Sort_rows |
0
|
| Sort_scan |
0
|
| Table_locks_immediate |
70
|
| Table_locks_waited |
0
|
| Tc_log_max_pages_used |
0
|
| Tc_log_page_size |
0
|
| Tc_log_page_waits |
0
|
| Threads_cached |
0
|
| Threads_connected |
1
|
| Threads_created |
3
|
| Threads_running |
1
|
| Uptime |
3221
|
| Uptime_since_flush_status |
3221
|
+-------------------------------------------+-------------+
302
rows
in
set (
0.01
sec)
|
7、查看数据库参数
|
1
2
3
4
5
6
7
8
9
10
11
|
mysql> show variables;
......
| tx_isolation | REPEATABLE-READ |
| unique_checks | ON |
| updatable_views_with_limit | YES |
| version |
5.6.
4
-m7 |
| version_comment | Source distribution |
| version_compile_machine | x86_64 |
| version_compile_os | Linux |
| wait_timeout |
28800
|
| warning_count |
0
|
本文转自 客居天涯 51CTO博客，原文链接：http://blog.51cto.com/tiany/1612448，如需转载请自行联系原作者
