#RFS

ORA-26709: Streams RFS restart

文档解释ORA-26709:StreamsRFSrestartCause:Remotefileserver(RFS)processwasrestartedtoreflectachangeinDOWNSTREAM_REAL_TIME_MINEoptionoftheGoldenGate,XStreamorStreamsca...
IT技术学习 ·2023-07-28

ORA-16039: RFS request version mismatch

文档解释ORA-16039:RFSrequestversionmismatchCause:ArequesttoarchivearedologtoaredotransportdestinationfailedbecauseofanOraclesoftwareversionmismatchatthedestination....

ORA-16143: RFS connections not allowed during or after terminal recovery

文档解释ORA-16143:RFSconnectionsnotallowedduringorafterterminalrecoveryCause:Anattemptwasmade,byanRFSprocess,toaccessastandbyonlinelogfileduringorafteraterminalreco...

ORA-09218: sfrfs: failed to refresh file size

文档解释ORA-09218:sfrfs:failedtorefreshfilesizeCause:FilemaybecorruptedortruncatedAction:SeeOSDerroraccompanyingthismessageORA-09218:sfrfs:无法刷新文件大小官方解释ORA-09218表明无法...

ORA-16437: No active coordinator RFS for current operation

文档解释ORA-16437:NoactivecoordinatorRFSforcurrentoperationCause:ThecoordinatorRemoteFileServer(RFS)forthisparallelarchivaleitherabnormallyterminatedorrandownbefore...

ORA-16401: archive log rejected by Remote File Server (RFS)

文档解释ORA-16401:archivelogrejectedbyRemoteFileServer(RFS)Cause:Anattemptwasmadetore-archiveanexistingarchivelog.Action:Seealertlogandtracefileformoredetails.Noact...

ORA-16248: RFS connections not permitted during Terminal Apply

文档解释ORA-16248:RFSconnectionsnotpermittedduringTerminalApplyCause:WritesbyRFSarenotpermittedwhileLogicalStandbyisperformingTerminalApply.Action:Permitanyoutstand...

MySQL Error number: MY-010941; Symbol: ER_PERFSCHEMA_COMPONENTS_INFRASTRUCTURE_SHUTDOWN; SQLSTATE: HY000

文档解释Errornumber:MY-010941;Symbol:ER_PERFSCHEMA_COMPONENTS_INFRASTRUCTURE_SHUTDOWN;SQLSTATE:HY000Message:Failedtodeinitperformanceschemacomponentsinfrastructure....

MySQL Error number: MY-010940; Symbol: ER_PERFSCHEMA_COMPONENTS_INFRASTRUCTURE_BOOTSTRAP; SQLSTATE: HY000

文档解释Errornumber:MY-010940;Symbol:ER_PERFSCHEMA_COMPONENTS_INFRASTRUCTURE_BOOTSTRAP;SQLSTATE:HY000Message:Failedtobootstrapperformanceschemacomponentsinfrastruct...

MySQL Error number: MY-010954; Symbol: ER_PERFSCHEMA_TABLES_INIT_FAILED; SQLSTATE: HY000

文档解释Errornumber:MY-010954;Symbol:ER_PERFSCHEMA_TABLES_INIT_FAILED;SQLSTATE:HY000Message:Performanceschematablesinitializationfailed.错误说明MY-010954:ER_PERFSCHEMA_...

MySQL Error number: MY-010170; Symbol: ER_PERFSCHEMA_INIT_FAILED; SQLSTATE: HY000

文档解释Errornumber:MY-010170;Symbol:ER_PERFSCHEMA_INIT_FAILED;SQLSTATE:HY000Message:Performanceschemadisabled(reason:initfailed).错误说明MY-010170(ER_PERFSCHEMA_INIT_F...

CentOS7 GlusterFS文件系统部署

一、GlusterFS简介GlusterFS(GNUClusterFileSystem)是一种全对称的开源分布式文件系统,所谓全对称是指GlusterFS采用弹性哈希算法,没有中心节点,所有节点全部平等。GlusterFS配置方便,稳定性好,可轻松达到PB级容量,数千个节点。二、GlusterFS重要概念birck:G...

为什么使能RPS/RFS, 或者RSS/网卡多队列后,QPS反而下降?

http://laoar.github.io/blog/2017/05/07/rps/RPS 即receivesidesteering,利用网卡的多队列特性,将每个核分别跟网卡的一个首发队列绑定,以达到网卡硬中断和软中断均衡的负载在各个CPU上。 他要求网卡必须要支持多队列特性。RPS r...

Linux RPS/RFS 实现原理浅析

本文快速解析一下RPS/RFS的基本原理。下面这个就是RPS的原理: 其实就是一个软件对CPU负载重分发的机制。其使能的作用点在CPU开始处理软中断的开始,即下面的地方:netif_rx_internalnetif_receive_skb_internalRFS在RPS的基础上,充分考虑到同一个五元组flow...
代码星球 ·2020-09-23

GlusterFS PERFORMANCE TUNING

众所周知,glusterfs对小文件而言,就是个鸡肋,特别是在一个目录下有过W的小文件图片时,ls简单就是个坑,下面我对线上的glusterfs参数做一些优化调整,调整的命令:glustervolumesetVOLNAMEOPTIONPARAMETER参数如下:cluster.data-self-heal-algori...
代码星球 ·2020-09-23
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