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ç¸ä¿¡å¤§å®¶é½çæmysqlçæ¥å¸¸å¤ä»½å·¥å ·ï¼æ¯å¦mysqldump对æ°æ®åºè¿è¡é»è¾å¤ä»½ãè¿ä¸ªæ¹æ³åæ ·éç¨MySQL Clusterï¼å¤ä»½æ¹æ³åå ¶ä»åå¨å¼æä¸æ ·ï¼å¯ä¸çåºå«æ¯å¨ä»»æçSQLèç¹å¤ä»½æ°æ®ãæ们æ¥çä¸ä¸ªä¾åã
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[[email protected] ~]# mysqldump --single-transaction --skip-comments test > /data/bak.sql
DROP TABLE IF EXISTS `t1`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `t1` (
`name` varchar(20) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT INTO `t1` VALUES ('yayun'),('atlas');
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
UNLOCK TABLES;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
å¯ä»¥çè§å¯¼åºçSQLåå ¶ä»å¼æ没æåºå«ï¼è¿éå°±ä¸è¯¦ç»ä»ç»äºãæ们éç¹ä»ç»clusterçç©çå¤ä»½æ¹æ³ãè¿æ¯ä»¥åé¢æ建çclusterç¯å¢ä¸ºä¾åãå½éç¾¤å ¨é¨å¯å¨ä»¥åï¼è¿å ¥ç®¡çèç¹æ§è¡start backupå½ä»¤å¯å¨å¤ä»½ãè¾å ¥ï¼å¯ä»¥æ¥çåç§å¸®å©é项ã
ndb_mgm> ?
---------------------------------------------------------------------------
NDB Cluster -- Management Client -- Help
---------------------------------------------------------------------------
HELP Print help text
HELP COMMAND Print detailed help for COMMAND(e.g. SHOW)
SHOW Print information about cluster
CREATE NODEGROUP <id>,<id>... Add a Nodegroup containing nodes
DROP NODEGROUP <NG> Drop nodegroup with id NG
START BACKUP [NOWAIT | WAIT STARTED | WAIT COMPLETED]
START BACKUP [<backup id>] [NOWAIT | WAIT STARTED | WAIT COMPLETED]
START BACKUP [<backup id>] [SNAPSHOTSTART | SNAPSHOTEND] [NOWAIT | WAIT STARTED | WAIT COMPLETED]
Start backup (default WAIT COMPLETED,SNAPSHOTEND)
ABORT BACKUP <backup id> Abort backup
SHUTDOWN Shutdown all processes in cluster
CLUSTERLOG ON [<severity>] ... Enable Cluster logging
CLUSTERLOG OFF [<severity>] ... Disable Cluster logging
CLUSTERLOG TOGGLE [<severity>] ... Toggle severity filter on/off
CLUSTERLOG INFO Print cluster log information
<id> START Start data node (started with -n)
<id> RESTART [-n] [-i] [-a] [-f] Restart data or management server node
<id> STOP [-a] [-f] Stop data or management server node
ENTER SINGLE USER MODE <id> Enter single user mode
EXIT SINGLE USER MODE Exit single user mode
<id> STATUS Print status
<id> CLUSTERLOG {<category>=<level>}+ Set log level for cluster log
PURGE STALE SESSIONS Reset reserved nodeid's in the mgmt server
CONNECT [<connectstring>] Connect to management server (reconnect if already connected)
<id> REPORT <report-type> Display report for <report-type>
QUIT Quit management client
<severity> = ALERT | CRITICAL | ERROR | WARNING | INFO | DEBUG
<category> = STARTUP | SHUTDOWN | STATISTICS | CHECKPOINT | NODERESTART | CONNECTION | INFO | ERROR | CONGESTION | DEBUG | BACKUP | SCHEMA
<level> = 0 - 15
<id> = ALL | Any database node id
For detailed help on COMMAND, use HELP COMMAND.
ndb_mgm>
è¾å ¥start backupå¯å¨å¤ä»½ï¼å¦ä¸ï¼
ndb_mgm> START BACKUP
Waiting for completed, this may take several minutes
Node 2: Backup 1 started from node 1
Node 2: Backup 1 started from node 1 completed
StartGCP: 1232 StopGCP: 1235
#Records: 2061 #LogRecords: 0
Data: 51864 bytes Log: 0 bytes
ndb_mgm>
å¨å¤ä»½æ¥å¿ä¸ï¼éè¦æ³¨æ"Backup 1",å®è¡¨ç¤ºè¯¥å¤ä»½çå¯ä¸IDï¼å¦æå第äºæ¬¡å¤ä»½ï¼å¤ä»½IDä¼åæ"Backup 2"ãå½æ¥å¿ä¸æ¾ç¤º"Node 2: Backup 1 started from node 1 completed"æ¶ï¼æ¬æ¬¡å¤ä»½ç»æãå¤ä»½çæ°æ®ä¿åå¨æ¯ä¸ªNDBï¼æ°æ®èç¹ï¼ä¸ï¼å ·ä½çå¤ä»½è·¯å¾æ¯$MYSQL_HOME/data/BACKUP/BACKUP-IDãè¿æ¯é»è®¤çï¼æçæ°æ®æ¾å¨/data/mysql-cluster/data/ï¼æ以å¤ä»½ä¹å¨è¯¥ç®å½ä¸é¢ãä¸é¢çå¤ä»½å¯ä»¥å¨ä¸¤ä¸ªæ°æ®èç¹é½å¯ä»¥çå°ï¼
[[email protected] BACKUP-1]# pwd
/data/mysql-cluster/data/BACKUP/BACKUP-1
[[email protected] BACKUP-1]# ll
total 48
-rw-r--r-- 1 root root 25660 Apr 16 22:24 BACKUP-1-0.3.Data
-rw-r--r-- 1 root root 14096 Apr 16 22:24 BACKUP-1.3.ctl
-rw-r--r-- 1 root root 52 Apr 16 22:24 BACKUP-1.3.log
[[email protected] BACKUP-1]#
[[email protected] BACKUP-1]# pwd
/data/mysql-cluster/data/BACKUP/BACKUP-1
[[email protected] BACKUP-1]# ll
total 48
-rw-r--r-- 1 root root 26748 Apr 16 22:24 BACKUP-1-0.2.Data
-rw-r--r-- 1 root root 14096 Apr 16 22:24 BACKUP-1.2.ctl
-rw-r--r-- 1 root root 52 Apr 16 22:24 BACKUP-1.2.log
[[email protected] BACKUP-1]#
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[ndbd(NDB)] 2 node(s)
id=2 @192.168.0.50 (mysql-5.5.19 ndb-7.2.4, Nodegroup: 0, Master)
id=3 @192.168.0.40 (mysql-5.5.19 ndb-7.2.4, Nodegroup: 0)
对äºå¤§æ°æ®éçå¤ä»½ï¼MySQL Clusterè¿æä¾äºå 个å¤ä»½çåæ°å¯ä¾è°æ´ï¼è¿äºåæ°éè¦åå¨config.iniç[NDBD DEFAULT]æè [NDBD]ç»ä¸ï¼å¯¹ååæ°çå ·ä½è¯´æå¦ä¸ï¼
ï¼1ï¼BackupDataBufferSizeï¼å°æ°æ®åå ¥ç£çä¹åç¨äºå¯¹æ°æ®è¿è¡ç¼å²å¤ççå åéã
ï¼2ï¼BackupLogBufferSzieï¼ å°æ¥å¿è®°å½åå ¥ç£çä¹åç¨äºå¯¹å ¶è¿è¡ç¼å²å¤ççå åéã
ï¼3ï¼BackupMemoryï¼ Â Â Â Â Â å¨æ°æ®åºèç¹ä¸ä¸ºå¤ä»½åé çæ»å åãå®åºæ¯åé ç»å¤ä»½æ°æ®ç¼å²çå åååé ç»æ¥å¿ç¼å²çå åä¹åã
ï¼4ï¼BackupWriteSizeï¼ Â Â Â Â æ¯æ¬¡åå ¥ç£ççå大å°ï¼éç¨äºå¤ä»½æ°æ®ç¼å²åå¤ä»½æ¥å¿ç¼å²ã
äº. æ°æ®æ¢å¤
对äºç¨"start backup" è¿è¡å¤ä»½çclusterï¼å¿ 须使ç¨ndb_restoreå·¥å ·è¿è¡æ°æ®æ¢å¤ãndb_restoreæ¯mysql cluster带ç管çå·¥å ·ï¼å¨shellä¸æ§è¡ï¼èä¸æ¯ndb_mgmå·¥å ·ä¸çä¸ä¸ªå½ä»¤ã
æ们ä¸é¢å·²ç»å¤ä»½æ°æ®äºï¼æ们人为å é¤teståºä¸é¢ç表t1ï¼ç¶åæ¢å¤æ°æ®ï¼
mysql> drop table test.t1;
Query OK, 1 row affected (0.64 sec)
mysql>
ï¼1ï¼å¨æ°æ®èç¹2ï¼192.168.0.50ï¼çshellå½ä»¤ä¸æ§è¡å¦ä¸å½ä»¤ï¼
[[email protected] ~]# ndb_restore -b 1 -n 2 -c host=192.168.0.30:1186 -m -r /data/mysql-cluster/data/BACKUP/BACKUP-1/
Backup Id = 1
Nodeid = 2
backup path = /data/mysql-cluster/data/BACKUP/BACKUP-1/
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1.2.ctl'
File size 14096 bytes
Backup version in files: ndb-6.3.11 ndb version: mysql-5.5.19 ndb-7.2.4
Stop GCP of Backup: 1234
Connected to ndb!!
Successfully restored table `test/def/t1`
Successfully restored table event REPL$test/t1
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1-0.2.Data'
File size 26748 bytes
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_7_3(8) fragment 0
_____________________________________________________
Processing data in table: mysql/def/ndb_index_stat_sample(5) fragment 0
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 0
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(9) fragment 0
_____________________________________________________
Processing data in table: mysql/def/ndb_index_stat_head(4) fragment 0
_____________________________________________________
Processing data in table: test/def/t1(10) fragment 0
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 0
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(7) fragment 0
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1.2.log'
File size 52 bytes
Restored 1 tuples and 0 log entries
NDBT_ProgramExit: 0 - OK
[[email protected] ~]#
å ¶ä¸å½ä»¤è¡ä¸çååæ°æä¹å¦ä¸ï¼
åæ° è¯´æ
-b å¤ä»½id
-n NDBèç¹id
-m æ¢å¤è¡¨å®ä¹
-r å¤ä»½è·¯å¾
-c cluster管çèç¹è¿æ¥
å 为æ¯ç¬¬ä¸ä¸ªèç¹æ¢å¤ï¼æ以éè¦å åæ°-mæ¥æ¢å¤è¡¨å®ä¹ï¼è¿æ ·å¨å ¶ä»èç¹æ¢å¤æ¶å°±ä¸éè¦åå 该åæ°ï¼å¦åä¼æ¥å¦ä¸é误ï¼
Unable to find table: `t1`
Restore: Failed to restore table: `test/def/t1` ... Exiting
ï¼2ï¼å¨èç¹3ï¼192.168.0.40ï¼åè¿è¡æ¢å¤ï¼
[[email protected] ~]# ndb_restore -b 1 -n 3 -c host=192.168.0.30:1186 -r /data/mysql-cluster/data/BACKUP/BACKUP-1/
Backup Id = 1
Nodeid = 3
backup path = /data/mysql-cluster/data/BACKUP/BACKUP-1/
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1.3.ctl'
File size 14096 bytes
Backup version in files: ndb-6.3.11 ndb version: mysql-5.5.19 ndb-7.2.4
Stop GCP of Backup: 1234
Connected to ndb!!
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1-0.3.Data'
File size 25660 bytes
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_7_3(8) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_index_stat_sample(5) fragment 1
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(9) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_index_stat_head(4) fragment 1
_____________________________________________________
Processing data in table: test/def/t1(10) fragment 1
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(7) fragment 1
Opening file '/data/mysql-cluster/data/BACKUP/BACKUP-1/BACKUP-1.3.log'
File size 52 bytes
Restored 1 tuples and 0 log entries
NDBT_ProgramExit: 0 - OK
[[email protected] ~]#
ï¼4ï¼æ¥çæ°æ®æ¯å¦æ¢å¤ï¼ä»»æSQLèç¹ï¼è¿ééæ©192.168.0.70ï¼ï¼
mysql> select * from t1;
+-------+
| name |
+-------+
| yayun |
| atlas |
+-------+
2 rows in set (0.05 sec)
mysql>
æ¤æ¶æ°æ®å·²ç»æ¢å¤æ£å¸¸ã
ä¸ .æ¥å¿ç®¡ç
MySQL Clusteræä¾äºä¸¤ç§æ¥å¿ï¼åå«æ¯é群æ¥å¿ï¼cluster logï¼åèç¹æ¥å¿ï¼node logï¼ãåè è®°å½äºææClusterèç¹çæçæ¥å¿ï¼åè ä» ä» è®°å½äºæ°æ®èç¹çæ¬å°äºä»¶ãå¨å¤§å¤æ°æ åµä¸ï¼ä¸è¬æ¨è使ç¨é群æ¥å¿ï¼å 为å®å¨ä¸ä¸ªå°æ¹è®°å½äºææèç¹çæ°æ®ï¼æ´æ¹ä¾¿è¿è¡ç®¡çãèç¹æ¥å¿ä¸è¬å¨å¼åè¿ç¨ä¸ä½¿ç¨ï¼æè ç¨æ¥è°è¯ç¨åºä»£ç ã
clusterlogä¸è¬è®°å½å¨é ç½®æ件ï¼config.iniï¼æå¨çç®å½ä¸ï¼æ件åæ ¼å¼ä¸ºndb_<nodeid>_cluster.logï¼å ¶ä¸nodeid为管çèç¹å·ã
ä¸é¢æ¯æµè¯ç¯å¢ä¸çä¸æ®µclusterlogï¼
[[email protected] mysql-cluster]# tail -n 10 ndb_1_cluster.log
#Tablespaces: 0 #Logfilegroups: 0 #datafiles: 0 #undofiles: 0
2014-04-16 23:21:48 [MgmtSrvr] INFO -- Node 6: Restore data: backup 3 from node 3 #Records: 3201 Data: 44814 bytes
2014-04-16 23:21:48 [MgmtSrvr] INFO -- Node 6: Restore log: backup 3 from node 3 #Records: 0 Data: 0 bytes
2014-04-16 23:21:48 [MgmtSrvr] INFO -- Node 6: Restore completed: backup 3 from node 3
2014-04-16 23:21:48 [MgmtSrvr] ALERT -- Node 2: Node 6 Disconnected
2014-04-16 23:21:48 [MgmtSrvr] INFO -- Node 2: Communication to Node 6 closed
2014-04-16 23:21:48 [MgmtSrvr] INFO -- Node 3: Communication to Node 6 closed
2014-04-16 23:21:48 [MgmtSrvr] ALERT -- Node 3: Node 6 Disconnected
2014-04-16 23:21:51 [MgmtSrvr] INFO -- Node 3: Communication to Node 6 opened
2014-04-16 23:21:52 [MgmtSrvr] INFO -- Node 2: Communication to Node 6 opened
[[email protected] mysql-cluster]#
å¯ä»¥ä½¿ç¨ndb_mgm客æ·ç«¯ç®¡çå·¥å ·æå¼æè å ³éæ¥å¿ï¼å ·ä½æä½å¦ä¸ï¼
[[email protected] ~]# ndb_mgm
-- NDB Cluster -- Management Client --
ndb_mgm> clusterlog info
Connected to Management Server at: localhost:1186
Severities enabled: INFO WARNING ERROR CRITICAL ALERT
ndb_mgm>
å½åæ¥å¿æ¯æå¼çï¼å¯ä»¥ç¨clusterlog offå½ä»¤å ³éæ¥å¿ï¼
ndb_mgm> clusterlog off
Cluster logging is disabled
ndb_mgm>
æ¥çæ¥å¿ç¶æåç°å·²å ³éï¼
ndb_mgm> clusterlog info
Cluster logging is disabled.
ndb_mgm>
æ§è¡å½ä»¤clusterlog onå°æ¥å¿æå¼ï¼
ndb_mgm> clusterlog on
Cluster logging is enabled.
ndb_mgm> clusterlog info
Severities enabled: INFO WARNING ERROR CRITICAL ALERT
ndb_mgm>
clusterä¸çæ¥å¿æå¾å¤ç±»åï¼å¯ä»¥æç §å¦ä¸ç±»å«è¿è¡è¿æ»¤ï¼ä½¿å¾æ¥å¿åªè®°å½æä»¬å ³å¿çä¿¡æ¯ã
ï¼1ï¼Categoryï¼ç±»å«ï¼ï¼å¯ä»¥æ¯STARTUP,SHUTDOWNï¼STATISTICSï¼CHECKPOINTï¼NODERESTARTï¼CONNECTIONï¼ERRORæè INFOä¸çä»»æå¼ãå ·ä½çä¿¡æ¯å¤§å®¶å¯ä»¥æ¥é mysqlç¸å ³ææ¡£ã
ï¼2ï¼Priorityï¼ä¼å 级ï¼ï¼ç±ä»1-15çæ°å表示ï¼1表示æéè¦ï¼è15表示æä¸éè¦ãæ¯ç§Categoryé½æä¸ä¸ª é»è®¤çä¼å 级éå¼ï¼å¦ä¸é¢æ示ï¼ä¼å 级éå¼ä»¥ä¸çæ¥å¿å°è¢«è®°å½ï¼åä¹ï¼ä¼å 级éå¼ä»¥ä¸çæ¥å¿å°ä¸ä¼è¢«è®°å½ã
ç±»å« é»è®¤éå¼ï¼æææ°æ®èç¹ï¼
STARTUP 7
SHUTDOWN 7
STATISTICS 7
CHECKPOINT 7
NODERESTART 7
CONNECTION 7
ERROR 15
INFO 7
ï¼3ï¼Severity Levelï¼ä¸¥é级å«ï¼ï¼å¯ä»¥æ¯ä¸é¢çå¼ä¹ä¸ï¼ALERTï¼CRITICALï¼ERRORï¼WARNINGï¼INFOæDEBUGãè¿äºå¼çå«ä¹å¦ä¸ï¼
严éçº§å« äºä»¶å®ä¹
ALERT åºç«å»æ´æ£çæ
åµï¼å¦æåçç³»ç»æ°æ®åº
CRITICAL 临çç¶åµï¼å¦è®¾å¤é误æèµæºä¸è¶³
ERROR åºäºä»¥æ´æ£çç¶åµï¼å¦é
ç½®é误
WARNING ä¸è½ç§°ä¸ºé误çæ
åµï¼ä½ä»éè¦ç¹å«å¤ç
INFO éæ¥æ§ä¿¡æ¯
DEBUG è°è¯ä¿¡æ¯ï¼ç¨äºNDB Clusterå¼å
è¿3ç§åç±»å¯ä»¥è®©æ们ä»3个ä¸åçè§åº¦æ¥å¯¹æ¥å¿è¿è¡è¿æ»¤ãè¿æ»¤çæ¹æ³å¯ä»¥ç¨ndb_mgmå·¥å ·æ¥å®æï¼å ·ä½è®¾ç½®æ¹æ³å¦ä¸ã
ï¼1ï¼node_id CLUSTERLOG category=thresholdï¼ç¨äºå°äºçäºthresholdçä¼å 级å°categoryäºä»¶è®°å½å°clusteræ¥å¿ãnode_idå¯ä»¥ä¸ºALLï¼ææèç¹ï¼ãæè åªæå®æ个èç¹ã
ï¼2ï¼CLUSTERLOG TOGGLE severity_levelï¼ä½¿å¾æå®çseverity_levelæå¼æè å ³éã
ä¾å¦ï¼è¦å°æµè¯ç¯å¢ä¸çèç¹2çSTARTUPäºä»¶åªè®°å½çº§å«ä¸º3以ä¸çæ¥å¿ï¼å¯ä»¥è¿å ¥ndb_mgmåæ§è¡å½ä»¤ï¼
ndb_mgm> 2 clusterlog startup=3
Executing CLUSTERLOG STARTUP=3 on node 2 OK!
ndb_mgm>
å¦æè¦å¨clusterä¸è¿æ»¤æDEBUGåINFOä¿¡æ¯ï¼å¯ä»¥æ§è¡å¦ä¸å½ä»¤ï¼
ndb_mgm> clusterlog toggle debug info
DEBUG enabled
INFO disabled
ndb_mgm>
ç¶åæ¥çæ¥å¿ç¶æï¼åç°DEBUGåINFOä¿¡æ¯å·²ç»ä¸åå¨äºã
ndb_mgm> clusterlog info
Severities enabled: DEBUG WARNING ERROR CRITICAL ALERT
ndb_mgm>
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