#LATCH

CountDownLatch是什么?

CountDownLatch是Java中一个同步工具类,用于控制多个线程的执行顺序。它可以让某个线程一直等待,直到其他线程完成各自的操作后再继续执行。CountDownLatch通过一个计数器来实现,计数器的初始值为线程数量,每当一个线程完成任务后,计数器的值就会减1,当计数器的值变为0时,等待的线程就会被唤醒继续执行...
开发笔记 ·2024-03-19

ORA-09716: kslcll: Unable to fix in-flux lamport latch.

文档解释ORA-09716:kslcll:Unabletofixin-fluxlamportlatch.Cause:OneOracleprocessdiedwhilestillholdingalamportlatch.Action:Exit(kill)allOracleuserprocesses.Shutdown(ab...
IT技术学习 ·2023-07-25

ORA-10243: simulated error for test string of K2GTAB latch cleanup

文档解释ORA-10243:simulatederrorforteststringofK2GTABlatchcleanupCause:levels1..6forinsert,7..11fordeleteAction:NoneORA-10243是由Oracle数据库错误引起的。它的官方解释是,K2GTAB出口的清除失败。...

ORA-09828: SCLFR: atomic latch return error.

文档解释ORA-09828:SCLFR:atomiclatchreturnerror.Cause:Systemcallatomic_op()returnunexpectederror.Action:Checkadditionalinformationinthetracefile.错误说明:ORA-09828:SCLFR...

ORA-09827: SCLGT: atomic latch return unknown error.

文档解释ORA-09827:SCLGT:atomiclatchreturnunknownerror.Cause:Systemcallatomic_op()returnunexpectederror.Action:Checkadditionalinformationinthetracefile.错误说明ORA-09827...

ORA-09703: sem_release: cannot release latch semaphore

文档解释ORA-09703:sem_release:cannotreleaselatchsemaphoreCause:ThesemaphoreusedforaccessinglatchescouldnotbereleasedAction:Sendtracefiletoyourcustomersupportreprese...

ORA-09826: SCLIN: cannot initialize atomic latch.

文档解释ORA-09826:SCLIN:cannotinitializeatomiclatch.Cause:Systemcallatomic_op()returnerror.Action:Checkadditionalinformationinthetracefile.错误说明ORA-09826异常是Oracle数据库...

ORA-09702: sem_acquire: cannot acquire latch semaphore

文档解释ORA-09702:sem_acquire:cannotacquirelatchsemaphoreCause:ThesemaphoreusedforaccessinglatchescouldnotbeseizedAction:Sendtracefiletoyourcustomersupportrepresent...

ORA-09700: sclin: maximum number of latches exceeded

文档解释ORA-09700:sclin:maximumnumberoflatchesexceededCause:ORACLEwantstousemorelatchesthenavailable.Action:increaseINIT.ORAparameterlatch_pagesordecreasetheamounto...

ORA-09310: sclgt: error freeing latch

文档解释ORA-09310:sclgt:errorfreeinglatchCause:InternalerrorAction:SeeOSDerroraccompanyingthismessageORA-09310是Oracle数据库中出现sSCLGT错误(SystemCallLGT,GenericLatch)的错误码。...

ORA-02853: Invalid server list latch time out value

文档解释ORA-02853:InvalidserverlistlatchtimeoutvalueCause:Thetimegivenwasnotapositivenumber.Action:Useapositivenumber.ORA-02853:这是一个Oracle数据库的错误码,指的是服务器列表扣住超时值无效。官方...

ORA-02774: Invalid request list latch time out value

文档解释ORA-02774:InvalidrequestlistlatchtimeoutvalueCause:Thetimegivenwasnotapositivenumber.Action:Useapositivenumber.ORA-02774错误提示指定的要求列表锁定超时值无效。官方解释ORA-02774:inv...

MySQL Error number: MY-013615; Symbol: ER_IB_RELOCK_LATCH_ORDER_VIOLATION; SQLSTATE: HY000

文档解释Errornumber:MY-013615;Symbol:ER_IB_RELOCK_LATCH_ORDER_VIOLATION;SQLSTATE:HY000Message:%s左右错误说明ER_IB_RELOCK_LATCH_ORDER_VIOLATION是MySQL的一个错误,其错误码为MY-013615。该...

MySQL Error number: MY-013614; Symbol: ER_IB_LOCK_VALIDATE_LATCH_ORDER_VIOLATION; SQLSTATE: HY000

文档解释Errornumber:MY-013614;Symbol:ER_IB_LOCK_VALIDATE_LATCH_ORDER_VIOLATION;SQLSTATE:HY000Message:%sMY-013614:ER_IB_LOCK_VALIDATE_LATCH_ORDER_VIOLATION:HY000错误错误...

CountDownLatch/CyclicBarrie用法记录

在jdk1.5中,java提供了很多工具类帮助我们进行并发编程,其中就有CountDownLatch和CyclicBarrie CountDownLatch位于 java.util.concurrent包下,其中最主要的方法就是两个await方法了, 当我们调用await方法时,当前线程会...
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