Zabbix优化之必杀技-表分区_MySQL

WBOY
풀어 주다: 2016-06-01 13:16:06
원래의
1500명이 탐색했습니다.

时间2014-05-06

作者itnihao

邮箱itnihao@qq.com

博客http://www.itnihao.com

如需引用,请注明以上信息,谢谢合作

 前言,使用zabbix最大的瓶颈在于数据库,维护好zabbix的数据存储,告警,即能够很好的应用zabbix去构建监控系统。本文所讲的正是数据存储部分。本文所针对的用户,需要对zabbix有一定概念,对MySQL熟悉,掌握存储过程的书写,对zabbix数据库字段熟悉

  本部分内容来自本人的新书,作为对新书分表章节的部分补充,书名叫《zabbix监控系统》,将于2014-06与读者面市。书的章节目录已经放在github上面

https://github.com/itnihao/zabbix-book/blob/master/README.md

Zabbix中历史数据的

zabbix对数据将数据存于数据库,其主要将历史数据存于history和trends的2个表中,如下

1)历史数据的表

wKiom1NnzMfC4yFSAAHbz1mcSS8644.jpg

2)警告日志数据的表

wKioL1NnzMqgFW_VAAEfQOYP4V8474.jpg

History表结构

mysql> show create table history/G;*************************** 1. row *************************** Table: historyCreate Table: CREATE TABLE `history` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` double(16,4) NOT NULL DEFAULT '0.0000',`ns` int(11) NOT NULL DEFAULT '0',KEY `history_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_str/G; Table: history_strCreate Table: CREATE TABLE `history_str` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` varchar(255) NOT NULL DEFAULT '',`ns` int(11) NOT NULL DEFAULT '0',KEY `history_str_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_str_sync /G;*************************** 1. row *************************** Table: history_str_syncCreate Table: CREATE TABLE `history_str_sync` (`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,`nodeid` int(11) NOT NULL,`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` varchar(255) NOT NULL DEFAULT '',`ns` int(11) NOT NULL DEFAULT '0',PRIMARY KEY (`id`),KEY `history_str_sync_1` (`nodeid`,`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_sync /G;*************************** 1. row *************************** Table: history_syncCreate Table: CREATE TABLE `history_sync` (`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,`nodeid` int(11) NOT NULL,`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` double(16,4) NOT NULL DEFAULT '0.0000',`ns` int(11) NOT NULL DEFAULT '0',PRIMARY KEY (`id`),KEY `history_sync_1` (`nodeid`,`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_text /G;*************************** 1. row *************************** Table: history_textCreate Table: CREATE TABLE `history_text` (`id` bigint(20) unsigned NOT NULL,`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` text NOT NULL,`ns` int(11) NOT NULL DEFAULT '0',PRIMARY KEY (`id`),UNIQUE KEY `history_text_2` (`itemid`,`id`),KEY `history_text_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_log/G;*************************** 1. row *************************** Table: history_logCreate Table: CREATE TABLE `history_log` (`id` bigint(20) unsigned NOT NULL,`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`timestamp` int(11) NOT NULL DEFAULT '0',`source` varchar(64) NOT NULL DEFAULT '',`severity` int(11) NOT NULL DEFAULT '0',`value` text NOT NULL,`logeventid` int(11) NOT NULL DEFAULT '0',`ns` int(11) NOT NULL DEFAULT '0',PRIMARY KEY (`id`),UNIQUE KEY `history_log_2` (`itemid`,`id`),KEY `history_log_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_uint /G;*************************** 1. row *************************** Table: history_uintCreate Table: CREATE TABLE `history_uint` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` bigint(20) unsigned NOT NULL DEFAULT '0',`ns` int(11) NOT NULL DEFAULT '0',KEY `history_uint_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table history_uint_sync/G;*************************** 1. row *************************** Table: history_uint_syncCreate Table: CREATE TABLE `history_uint_sync` (`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,`nodeid` int(11) NOT NULL,`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` bigint(20) unsigned NOT NULL DEFAULT '0',`ns` int(11) NOT NULL DEFAULT '0',PRIMARY KEY (`id`),KEY `history_uint_sync_1` (`nodeid`,`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8
로그인 후 복사

trends表结构

mysql> show create table trends/G;*************************** 1. row *************************** Table: trendsCreate Table: CREATE TABLE `trends` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`num` int(11) NOT NULL DEFAULT '0',`value_min` double(16,4) NOT NULL DEFAULT '0.0000',`value_avg` double(16,4) NOT NULL DEFAULT '0.0000',`value_max` double(16,4) NOT NULL DEFAULT '0.0000',PRIMARY KEY (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mysql> show create table trends_uint/G;*************************** 1. row *************************** Table: trends_uintCreate Table: CREATE TABLE `trends_uint` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`num` int(11) NOT NULL DEFAULT '0',`value_min` bigint(20) unsigned NOT NULL DEFAULT '0',`value_avg` bigint(20) unsigned NOT NULL DEFAULT '0',`value_max` bigint(20) unsigned NOT NULL DEFAULT '0',PRIMARY KEY (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8
로그인 후 복사

housekeeper表结构

mysql> show create table housekeeper/G;*************************** 1. row *************************** Table: housekeeperCreate Table: CREATE TABLE `housekeeper` (`housekeeperid` bigint(20) unsigned NOT NULL,`tablename` varchar(64) NOT NULL DEFAULT '',`field` varchar(64) NOT NULL DEFAULT '',`value` bigint(20) unsigned NOT NULL,PRIMARY KEY (`housekeeperid`)) ENGINE=InnoDB DEFAULT CHARSET=utf8
로그인 후 복사

  尽管将housekeeper功能已经关闭,但zabbix-server和WEB前端仍然会记录数据到housekeeper表,这里为了防止写入数据,将其表的引擎设置为BLACKHOLE,使其不可写。

mysql>ALTER TABLE housekeeper ENGINE = BLACKHOLE;
로그인 후 복사
mysql> show create table housekeeper/G;*************************** 1. row *************************** Table: housekeeperCreate Table: CREATE TABLE `housekeeper` (`housekeeperid` bigint(20) unsigned NOT NULL,`tablename` varchar(64) NOT NULL DEFAULT '',`field` varchar(64) NOT NULL DEFAULT '',`value` bigint(20) unsigned NOT NULL,PRIMARY KEY (`housekeeperid`)) ENGINE=BLACKHOLE DEFAULT CHARSET=utf8
로그인 후 복사

查看索引

mysql> show index from history/G;
로그인 후 복사

如下表所示

wKioL1NnzhXhJpSzAANmptiQQDQ319.jpg

改变history_text表结构

mysql> show create table history_text/G;

*************************** 1. row ***************************

      Table: history_text

Create Table: CREATE TABLE `history_text` (

 `id` bigint(20) unsigned NOT NULL,

 `itemid` bigint(20) unsigned NOT NULL,

 `clock` int(11) NOT NULL DEFAULT '0',

 `value` text NOT NULL,

 `ns` int(11) NOT NULL DEFAULT '0',

 PRIMARY KEY (`id`),

 UNIQUE KEY `history_text_2` (`itemid`,`id`),

 KEY `history_text_1` (`itemid`,`clock`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8

mysql> Alter table history_text drop primary key, add index (id), drop index history_text_2, add index history_text_2 (itemid, id);

mysql> show create table history_text/G;

*************************** 1. row ***************************

      Table: history_text

Create Table: CREATE TABLE `history_text` (

 `id` bigint(20) unsigned NOT NULL,

 `itemid` bigint(20) unsigned NOT NULL,

 `clock` int(11) NOT NULL DEFAULT '0',

 `value` text NOT NULL,

 `ns` int(11) NOT NULL DEFAULT '0',

 KEY `history_text_1` (`itemid`,`clock`),

 KEY `id` (`id`),                         #原来的PRIMARY KEY

 KEY `history_text_2` (`itemid`,`id`)      #原来的UNIQUE KEY

) ENGINE=InnoDB DEFAULT CHARSET=utf8

改变history_log表结构

mysql> show create table history_log/G;

*************************** 1. row ***************************

      Table: history_log

Create Table: CREATE TABLE `history_log` (

 `id` bigint(20) unsigned NOT NULL,

 `itemid` bigint(20) unsigned NOT NULL,

 `clock` int(11) NOT NULL DEFAULT '0',

 `timestamp` int(11) NOT NULL DEFAULT '0',

 `source` varchar(64) NOT NULL DEFAULT '',

 `severity` int(11) NOT NULL DEFAULT '0',

 `value` text NOT NULL,

 `logeventid` int(11) NOT NULL DEFAULT '0',

 `ns` int(11) NOT NULL DEFAULT '0',

 PRIMARY KEY (`id`),

 UNIQUE KEY `history_log_2` (`itemid`,`id`),

 KEY `history_log_1` (`itemid`,`clock`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8

mysql> Alter table history_log drop primary key, add index (id), drop index history_log_2, add index history_log_2 (itemid, id);

mysql> show create table history_log/G;

*************************** 1. row ***************************

      Table: history_log

Create Table: CREATE TABLE `history_log` (

 `id` bigint(20) unsigned NOT NULL,

 `itemid` bigint(20) unsigned NOT NULL,

 `clock` int(11) NOT NULL DEFAULT '0',

 `timestamp` int(11) NOT NULL DEFAULT '0',

 `source` varchar(64) NOT NULL DEFAULT '',

 `severity` int(11) NOT NULL DEFAULT '0',

 `value` text NOT NULL,

 `logeventid` int(11) NOT NULL DEFAULT '0',

 `ns` int(11) NOT NULL DEFAULT '0',

 KEY `history_log_1` (`itemid`,`clock`),

 KEY `id` (`id`),                        #原来的PRIMARY KEY

 KEY `history_log_2` (`itemid`,`id`) #原来的UNIQUE KEY

) ENGINE=InnoDB DEFAULT CHARSET=utf8

表分区的过程

防盗链,来自博客http://www.itnihao.com

  创建存储过程

        分区创建的存储过程

DELIMITER $$

CREATEPROCEDURE`partition_create`(SCHEMANAMEVARCHAR(64),TABLENAMEVARCHAR(64),PARTITIONNAMEVARCHAR(64),CLOCKINT)

BEGIN

       /*

          SCHEMANAME = The DB schema in which to make changes

          TABLENAME = The table with partitions to potentially delete

          PARTITIONNAME = The name of the partition to create

       */

       /*

         Verify that the partition does not already exist

       *

DECLARERETROWSINT;

SELECTCOUNT(1)INTORETROWS

FROMinformation_schema.partitions

WHEREtable_schema=SCHEMANAMEANDTABLE_NAME=TABLENAMEANDpartition_name=PARTITIONNAME;

IFRETROWS=0THEN

/*

                  1. Print a message indicating that a partition was created

                  2. Create the SQL to create the partition

                  3. Execute the SQL from #2.

               */

SELECTCONCAT("partition_create(",SCHEMANAME,",",TABLENAME,",",PARTITIONNAME,",",CLOCK,")")ASmsg;

SET@SQL=CONCAT('ALTER TABLE ',SCHEMANAME,'.',TABLENAME,' ADD PARTITION (PARTITION ',PARTITIONNAME,' VALUES LESS THAN (',CLOCK,'));');

PREPARESTMTFROM@SQL;

EXECUTESTMT;

               DEALLOCATEPREPARESTMT;

ENDIF;

END$$

DELIMITER ;

分区删除的存储过程

DELIMITER $$

CREATEPROCEDURE`partition_drop`(SCHEMANAMEVARCHAR(64),TABLENAMEVARCHAR(64),DELETE_BELOW_PARTITION_DATEBIGINT)

BEGIN

       /*

          SCHEMANAME = The DB schema in which to make changes

          TABLENAME = The table with partitions to potentially delete

          DELETE_BELOW_PARTITION_DATE = Delete any partitions with names that are dates older than this one (yyyy-mm-dd)

       */

DECLAREdoneINTDEFAULTFALSE;

DECLAREdrop_part_nameVARCHAR(16);

       /*

          Get a list of all the partitions that are older than the date

          in DELETE_BELOW_PARTITION_DATE.  All partitions are prefixed with

          a "p", so use SUBSTRING TO get rid of that character.

       */

DECLAREmyCursor CURSORFOR

SELECTpartition_name

FROMinformation_schema.partitions

WHEREtable_schema=SCHEMANAMEANDTABLE_NAME=TABLENAMEANDCAST(SUBSTRING(partition_nameFROM2)ASUNSIGNED)

DECLARECONTINUE HANDLERFORNOTFOUNDSETdone=TRUE;

       /*

          Create the basics for when we need to drop the partition.  Also, create

          @drop_partitions to hold a comma-delimited list of all partitions that

          should be deleted.

       */

SET@alter_header=CONCAT("ALTER TABLE ",SCHEMANAME,".",TABLENAME," DROP PARTITION ");

SET@drop_partitions="";

       /*

          Start looping through all the partitions that are too old.

       */

OPENmyCursor;

       read_loop: LOOP

               FETCH myCursorINTOdrop_part_name;

IFdoneTHEN

                       LEAVE read_loop;

ENDIF;

SET@drop_partitions=IF(@drop_partitions="",drop_part_name,CONCAT(@drop_partitions,",",drop_part_name));

ENDLOOP;

IF@drop_partitions !=""THEN

               /*

                  1. Build the SQL to drop all the necessary partitions.

                  2. Run the SQL to drop the partitions.

                  3. Print out the table partitions that were deleted.

               */

SET@full_sql=CONCAT(@alter_header,@drop_partitions,";");

PREPARESTMTFROM@full_sql;

EXECUTESTMT;

               DEALLOCATEPREPARESTMT;

SELECTCONCAT(SCHEMANAME,".",TABLENAME)AS`table`,@drop_partitionsAS`partitions_deleted`;

ELSE

               /*

                  No partitions are being deleted, so print out "N/A" (Not

applicable) to indicatethat no changes were made.

               */

SELECTCONCAT(SCHEMANAME,".",TABLENAME)AS`table`,"N/A"AS`partitions_deleted`;

ENDIF;

END$$

DELIMITER ;

分区维护的存储过程

DELIMITER $$

CREATEPROCEDURE`partition_maintenance`(SCHEMA_NAMEVARCHAR(32),TABLE_NAMEVARCHAR(32),KEEP_DATA_DAYSINT,HOURLY_INTERVALINT,CREATE_NEXT_INTERVALSINT)

BEGIN

DECLAREOLDER_THAN_PARTITION_DATEVARCHAR(16);

DECLAREPARTITION_NAMEVARCHAR(16);

DECLARELESS_THAN_TIMESTAMPINT;

DECLARECUR_TIMEINT;

CALLpartition_verify(SCHEMA_NAME,TABLE_NAME,HOURLY_INTERVAL);

SETCUR_TIME=UNIX_TIMESTAMP(DATE_FORMAT(NOW(),'%Y-%m-%d 00:00:00'));

IFDATE(NOW())='2014-04-01'THEN

SETCUR_TIME=UNIX_TIMESTAMP(DATE_FORMAT(DATE_ADD(NOW(),INTERVAL1DAY),'%Y-%m-%d 00:00:00'));

ENDIF;

SET@__interval=1;

       create_loop: LOOP

IF@__interval>CREATE_NEXT_INTERVALSTHEN

                       LEAVE create_loop;

ENDIF;

SETLESS_THAN_TIMESTAMP=CUR_TIME+(HOURLY_INTERVAL*@__interval*3600);

SETPARTITION_NAME=FROM_UNIXTIME(CUR_TIME+HOURLY_INTERVAL*(@__interval-1)*3600,'p%Y%m%d%H00');

CALLpartition_create(SCHEMA_NAME,TABLE_NAME,PARTITION_NAME,LESS_THAN_TIMESTAMP);

SET@__interval=@__interval+1;

ENDLOOP;

SETOLDER_THAN_PARTITION_DATE=DATE_FORMAT(DATE_SUB(NOW(),INTERVALKEEP_DATA_DAYSDAY),'%Y%m%d0000');

CALLpartition_drop(SCHEMA_NAME,TABLE_NAME,OLDER_THAN_PARTITION_DATE);

END$$

DELIMITER ;

分区校验的存储过程

DELIMITER $$

CREATEPROCEDURE`partition_verify`(SCHEMANAMEVARCHAR(64),TABLENAMEVARCHAR(64),HOURLYINTERVALINT(11))

BEGIN

DECLAREPARTITION_NAMEVARCHAR(16);

DECLARERETROWSINT(11);

DECLAREFUTURE_TIMESTAMPTIMESTAMP;

/** Check if any partitions exist for the given SCHEMANAME.TABLENAME.   */

SELECTCOUNT(1)INTORETROWS

FROMinformation_schema.partitions

WHEREtable_schema=SCHEMANAMEANDTABLE_NAME=TABLENAMEANDpartition_nameISNULL;

/* * If partitions do not exist, go ahead and partition the table*/

IFRETROWS=1THEN

      /*

* Take the current date at 00:00:00 and add HOURLYINTERVAL to it.  This is the timestamp below which we will store values.

* We begin partitioning based on the beginning of a day.  This is because we don't want to generate a random partition

          * that won't necessarily fall in line with the desired partition naming (ie: if the hour interval is 24 hours, we could

          * end up creating a partition now named "p201403270600" when all other partitions will be like "p201403280000").

      */

SETFUTURE_TIMESTAMP=TIMESTAMPADD(HOUR,HOURLYINTERVAL,CONCAT(CURDATE()," ",'00:00:00'));

SETPARTITION_NAME=DATE_FORMAT(CURDATE(),'p%Y%m%d%H00');

-- Create the partitioning query

SET@__PARTITION_SQL=CONCAT("ALTER TABLE ",SCHEMANAME,".",TABLENAME," PARTITION BY RANGE(`clock`)");

SET@__PARTITION_SQL=CONCAT(@__PARTITION_SQL,"(PARTITION ",PARTITION_NAME," VALUES LESS THAN (",UNIX_TIMESTAMP(FUTURE_TIMESTAMP),"));");

-- Run the partitioning query

PREPARESTMTFROM@__PARTITION_SQL;

EXECUTESTMT;

               DEALLOCATEPREPARESTMT;

ENDIF;

END$$

DELIMITER ;

使用存储过程

mysql>CALLpartition_maintenance('','',,,)

wKiom1Nnzsajen5QAADorNPzfrQ647.jpg

例如,zabbix.history保存28天,表区间的时间为24小时,预留14天的区间。

mysql> CALL partition_maintenance('zabbix', 'history', 28, 24, 14);+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405070000,1399478400) |+-----------------------------------------------------------+1 row in set (18.75 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405080000,1399564800) |+-----------------------------------------------------------+1 row in set (19.08 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405090000,1399651200) |+-----------------------------------------------------------+1 row in set (19.16 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405100000,1399737600) |+-----------------------------------------------------------+1 row in set (19.27 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405110000,1399824000) |+-----------------------------------------------------------+1 row in set (19.42 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405120000,1399910400) |+-----------------------------------------------------------+1 row in set (19.52 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405130000,1399996800) |+-----------------------------------------------------------+1 row in set (19.63 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405140000,1400083200) |+-----------------------------------------------------------+1 row in set (19.89 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405150000,1400169600) |+-----------------------------------------------------------+1 row in set (20.00 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405160000,1400256000) |+-----------------------------------------------------------+1 row in set (20.07 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405170000,1400342400) |+-----------------------------------------------------------+1 row in set (20.13 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405180000,1400428800) |+-----------------------------------------------------------+1 row in set (20.20 sec)+-----------------------------------------------------------+| msg |+-----------------------------------------------------------+| partition_create(zabbix,history,p201405190000,1400515200) |+-----------------------------------------------------------+1 row in set (20.31 sec)+----------------+--------------------+| table| partitions_deleted |+----------------+--------------------+| zabbix.history | N/A|+----------------+--------------------+1 row in set (20.42 sec)Query OK, 0 rows affected (20.42 sec)
로그인 후 복사

创建存储过程

DELIMITER $$CREATE PROCEDURE `partition_maintenance_all`(SCHEMA_NAME VARCHAR(32))BEGIN	CALL partition_maintenance(SCHEMA_NAME, 'history', 28, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'history_log', 28, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'history_str', 28, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'history_text', 28, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'history_uint', 28, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'trends', 730, 24, 14);	CALL partition_maintenance(SCHEMA_NAME, 'trends_uint', 730, 24, 14);END$$DELIMITER ;
로그인 후 복사

调用存储过程

mysql> CALL partition_maintenance_all('zabbix');+----------------+--------------------+| table| partitions_deleted |+----------------+--------------------+| zabbix.history | N/A|+----------------+--------------------+1 row in set (0.01 sec)............+--------------------+--------------------+| table| partitions_deleted |+--------------------+--------------------+| zabbix.trends_uint | N/A|+--------------------+--------------------+1 row in set (22.41 sec)Query OK, 0 rows affected, 1 warning (22.41 sec)mysql>
로그인 후 복사

查看表结构

mysql> show create table history/G;*************************** 1. row *************************** Table: historyCreate Table: CREATE TABLE `history` (`itemid` bigint(20) unsigned NOT NULL,`clock` int(11) NOT NULL DEFAULT '0',`value` double(16,4) NOT NULL DEFAULT '0.0000',`ns` int(11) NOT NULL DEFAULT '0',KEY `history_1` (`itemid`,`clock`)) ENGINE=InnoDB DEFAULT CHARSET=utf8/*!50100 PARTITION BY RANGE (`clock`)(PARTITION p201405060000 VALUES LESS THAN (1399392000) ENGINE = InnoDB, PARTITION p201405070000 VALUES LESS THAN (1399478400) ENGINE = InnoDB, PARTITION p201405080000 VALUES LESS THAN (1399564800) ENGINE = InnoDB, PARTITION p201405090000 VALUES LESS THAN (1399651200) ENGINE = InnoDB, PARTITION p201405100000 VALUES LESS THAN (1399737600) ENGINE = InnoDB, PARTITION p201405110000 VALUES LESS THAN (1399824000) ENGINE = InnoDB, PARTITION p201405120000 VALUES LESS THAN (1399910400) ENGINE = InnoDB, PARTITION p201405130000 VALUES LESS THAN (1399996800) ENGINE = InnoDB, PARTITION p201405140000 VALUES LESS THAN (1400083200) ENGINE = InnoDB, PARTITION p201405150000 VALUES LESS THAN (1400169600) ENGINE = InnoDB, PARTITION p201405160000 VALUES LESS THAN (1400256000) ENGINE = InnoDB, PARTITION p201405170000 VALUES LESS THAN (1400342400) ENGINE = InnoDB, PARTITION p201405180000 VALUES LESS THAN (1400428800) ENGINE = InnoDB, PARTITION p201405190000 VALUES LESS THAN (1400515200) ENGINE = InnoDB) */
로그인 후 복사

添加定时任务

1 1 * * * mysql-uzabbix -pzabbix zabbix -e "CALL partition_maintenance_all('zabbix')"
로그인 후 복사

参考文档

本文参考https://www.zabbix.org/wiki/Docs/howto/mysql_partition写成。

관련 라벨:
원천:php.cn
본 웹사이트의 성명
본 글의 내용은 네티즌들의 자발적인 기여로 작성되었으며, 저작권은 원저작자에게 있습니다. 본 사이트는 이에 상응하는 법적 책임을 지지 않습니다. 표절이나 침해가 의심되는 콘텐츠를 발견한 경우 admin@php.cn으로 문의하세요.
최신 이슈
인기 튜토리얼
더>
최신 다운로드
더>
웹 효과
웹사이트 소스 코드
웹사이트 자료
프론트엔드 템플릿