waits

MySQL数据表死锁处理

查看正在锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCKS;查看等待锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCK_WAITS
卫庄的痛·2016-08-24 15:30

waits events statisc

--bufferbusywaitsselectsw.P1"FILDID",sw.P2"BlockID",sw.P3"ClassID"fromV$session_Waitswwheresw.EVENT='bufferbusywaits'SELECTs.ROW_WAIT_OBJ#FROMV$SESSIONswhereevent='bufferbusywaits'selectdo.OWNER,do.OB
llc018198·2016-07-01 16:54

Groovy简单再入门

defauthors=[ "PeterLedbrook", "GlenSmith" ] defquoteParts=[ ["Time","waits","fornoman"], ["Theroundhousekick
aguncn·2016-05-31 21:00

Troubleshooting 'library cache: mutex X' waits. (文档 ID 1357946.1)

InthisDocument Purpose TroubleshootingSteps Whatisa'librarycache:mutexX'wait? Whatcauses'librarycache:mutexX'wait? Howtodiagnosethecause. HowtoExaminetheDiagnostics. PotentialSolutions ReferencesAPPLI
xxjj2003·2016-04-27 09:00

information_schema中Innodb相关表用于分析sql查询锁的使用情况介绍

这里主要介绍下Innodb事务锁相关的三个表：INNODB_TRX表、INNODB_LOCKS表、INNODB_LOCK_WAITS表。
and1kaney·2016-04-21 23:39

information_schema中Innodb相关表用于分析sql查询锁的使用情况介绍

这里主要介绍下Innodb事务锁相关的三个表：INNODB_TRX表、INNODB_LOCKS表、INNODB_LOCK_WAITS表。
and1kaney·2016-04-21 23:00

mysql锁等待分析

简单说明使用innodb存储引擎后，mysql有三张表来分析锁及阻塞的问题，在information_schema下面有三张表:INNODB_TRX、INNODB_LOCKS、INNODB_LOCK_WAITS
isoleo·2016-04-08 13:05

mysql锁等待分析

简单说明使用innodb存储引擎后，mysql有三张表来分析锁及阻塞的问题，在information_schema下面有三张表:INNODB_TRX、INNODB_LOCKS、INNODB_LOCK_WAITS
isoleo·2016-04-08 13:00

mysql死锁

查看正在锁的事务#SELECT*FROMINFORMATION_SCHEMA.INNODB_TRX#查看等待锁的事务#SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCK_WAITS
上漂的程序猫狗·2016-03-23 14:38

MySQL-死锁查询

查看正在锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCKS;查看等待锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCK_WAITS
turboj520·2016-01-22 16:49

查看事务锁：innodb_trx+innodb_locks+innodb_lock_waits

当出现：ERROR1205(HY000):Lockwaittimeoutexceeded;tryrestartingtransaction，要解决是一件麻烦的事情；特别是当一个SQL执行完了，但未COMMIT，后面的SQL想要执行就是被锁，超时结束，DBA光从数据库无法着手找出源头是哪个SQL锁住了；有时候看看 showengineinnodbstatus，并结合showfullprocessli
馒头斋·2016-01-21 12:00

MySQL会话锁等待关系原理

.查询当前会话processlist.id  2.processlist.id对应innodb_trx表中的TRX_MYSQL_THREAD_ID，这样就可以查询到当前会话的事务id 3.到lock_waits
labreeze·2015-12-30 16:00

查看索引使用的情况

object_schema,object_name,index_name,count_star,count_read,COUNT_FETCH  from  performance_schema .table_io_waits_summary_by_index_usage
小小人故事·2015-12-23 12:00

Javascript中this关键字详解

5alert(this.name); 6}, 7waitShowName:function(){ 8setTimeout(this.showName,1000); 9} 10}; 11 12nameObj.waitS
cometwo·2015-11-23 16:00

waitstats，latch，spinlock相关文章

Wait statistics, or please tell me where it hurts 本文大意：      waits stats（waits and
·2015-11-13 23:05

WINCE6.0 CETK BUG List(CETK,RTC_Real-Time_Functions tests)

CETK OAL Timer ->RTC_Real-Time_Functions tests.The test sets 12-31-2005 23:59:57 first and then waits
·2015-11-13 22:28

SQL Server 2005 White Papers

topics that were tested and validated by SQL Development SQL Server 2005 Performance Tuning using Waits
·2015-11-13 20:07

Efficient ticket lock synchronization implementation using early wakeup in the presence of oversubscription

synchronization facility obtains a ticket value from a monotonically increasing ticket counter and waits
·2015-11-13 11:49

Oracle常用监控SQL

wait_time,0,1,0)) curr,count(*) from v$session_wait group by event order by 4; 2.回滚段的争用情况： select name,waits
·2015-11-13 06:50

SQL*Net message from client

SQL*Net message from client The server process (foreground process) waits for a message from the client
·2015-11-13 05:23

buffer busy waits

Buffer busy waits 当会话想要访问缓冲区中的数据块,而该数据块正在被其他会话使用时将产生Buffer busy waits事件。
·2015-11-13 05:19

cursor: pin S

cursor: pin S OTN 解释如下：   cursor: pin SA session waits on this event when it wants to update
·2015-11-12 22:13

<译>Selenium Python Bindings 5 - Waits

使用waits，我们可以解决这个问题。 　 Selenium WebDriver 提供两种类型的waits -- 隐式和显式。显式的wait使webdriver等
·2015-11-12 21:19

【原】Oracle8i Internal Services for Waits，Latches，Locks 中文版

最近在读Oracle8i Internal Services for Waits，Latches，Locks这本书，感觉这本书很好。但我读的是英文版本，一提到英文
·2015-11-12 20:22

mysql 表锁问题

  select * from information_schema.INNODB_lock_waits; select * from information_schema.INNODB_locks
·2015-11-12 18:26

Oracle日常性能查看

判断回滚段竞争的SQL语句：（当Ratio大于2时存在回滚段竞争，需要增加更多的回滚段） select rn.name, rs.GETS, rs.WAITS, (rs.WAITS / rs.GETS)
·2015-11-12 14:35

数据库优化

查看Resources Waits里面等等类型Lock的多不多。 4. 逻辑读太多，cpu就会高。
·2015-11-12 11:48

【QTP专题】02_时间同步点问题

Waits until the specified object property achieves the specified value or exceeds the specified timeout
·2015-11-11 16:03

因host命令导致无法正常SHUTDOWN的实验

Before the database is shut down, the database waits for all currently connect
·2015-11-11 14:35

cursor: pin S

cursor: pin S OTN 解释如下：   cursor: pin SA session waits on this event when it wants to update
·2015-11-11 13:09

Android 关于异步Http请求，以及编码问题

  首先说下长时间无反应的问题，AsyncTask有个get方法， /** * Waits if necessary for at most the given time for
·2015-11-11 11:34

英语句子组织的5个步骤：

He--waits for her—happily—at home—every day. B．我昨天忙碌地在商场买了很多鞋。
·2015-11-11 10:02

SQL Server 2005性能排错白皮书(Part 5)---From MS Customer Support Service部门

使用SQL waits阻塞对整体性能的影响 SQL Server 2000提供了76种等待类型来提供等待报告。SQL Server 2005提供了多余100个等待类型来跟踪应用程序性能。
·2015-11-11 09:47

Bug 8627066, em dbconsole的bug

从3.237的监控机器上看到有waits的异常. 时间在昨晚10点左右.   为multi-block read. 猜测为表扫所导致的现象.
·2015-11-11 08:49

query the list of factor on performance impact

with waits as (  select wait_type,  wait_time_ms / 1000 as wait_time_s,  100.
·2015-11-11 06:48

简谈Java的join()方法

根据jdk文档的定义： public final void join()throws InterruptedException: Waits for this thread to die.
·2015-11-10 23:27

Threading in C# - Synchronization

Join Waits for another thread to finish. Locking Constructs Cons
·2015-11-07 15:34

Thread-Safety with the AutoResetEvent, ManualResetEvent Class(Synchronization of .net)

AutoResetEvent From MSDN: "A thread waits for a signal by calling WaitOne on the&
·2015-11-06 07:53

ＳＱＬ技术内幕－13 SQL优化方法论之分离重量级的等待

Code -- Isolate top waits WITH Waits AS ( SELECT wait_type, wait_time_ms / 1000.
·2015-11-05 08:24

Linux 下sleep()函数

— Function: unsigned int sleep (unsigned int seconds) The sleep function waits
·2015-11-02 18:26

MHDD修复硬盘坏道

Loop the test/repair项OFF，其余项ON，选择完毕CTRL+ENTER执行扫描，扫描完毕，执行上面操作，选CHS模式，Loop the test/repair项OFF，Erase WAITs
·2015-10-31 19:26

模拟等待事件row lock waits

      Waits for TX in mode 4 also occur when a transaction inserting a row in an
·2015-10-31 12:21

与IO相关的等待事件troubleshooting-系列9

'db file parallel write' , 'db file single write',  'write complete waits',  'free buf
·2015-10-31 10:33

与IO相关的等待事件troubleshooting-系列9

'db file parallel write' , 'db file single write',  'write complete waits',  'free buf
·2015-10-31 10:14

mysql 查看死锁和去除死锁

查看正在锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCKS;  查看等待锁的事务SELECT*FROMINFORMATION_SCHEMA.INNODB_LOCK_WAITS
有种下班别走·2015-10-31 09:00

IISRESET为什么有时候要带个noforce参数?

The IISReset command-line utility waits up to one minute for all services to stop if you do not include
·2015-10-31 09:14

WaitForEndOfFrame

Waits until the end of the frame after all cameras and GUI is rendered, just before displaying the frame
·2015-10-31 09:24

latch_sleeps.sql

If there are latch free waits, then this script can be used to further diagnose the problem.
·2015-10-30 14:24

resource_waits.sql

nbsp; e.time_waited / decode(     e.event,     'latch free', e.total_waits
·2015-10-30 14:23

trace_waits.sql

This script is one of our favorites. It finds the top N sessions that have been affected by a particular type of resource wait, and enables event 10046, level 8 in those sessions for the specified per
·2015-10-30 14:23
上一页 1 2 3 4 5 6 7 8 下一页
按字母分类： ABCDEFGHIJKLMNOPQRSTUVWXYZ其他