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docker redis警告处理 WARNING Memory overcommit must be enabled; vm.overcommit_memory = 1

提示信息WARNINGMemoryovercommitmustbeenabled!Withoutit,abackgroundsaveorreplicationmayfailunderlowmemorycondition.Beingdisabled,itcanalsocausefailureswithoutlowmemo...

开发笔记 ·2024-07-09

如何有效地处理overflow问题

Overflow（溢出）是一个常见的计算机编程问题，特别是在处理数字或数组时。当我们试图存储超过数据类型所允许范围的数值时，就会发生溢出。解决这个问题的关键在于正确地处理和验证数据边界。下面将介绍几种常见的溢出问题和相应的解决方案。整数溢出整数溢出是指在计算过程中，结果超出了整数类型的表示范围。例如，在32位有符号整数...

开发笔记 ·2024-01-29

ORA-25197: an overflow segment already exists for the indexed-organized table

文档解释ORA-25197:anoverflowsegmentalreadyexistsfortheindexed-organizedtableCause:AnattemptwasmadetoADDOVERFLOWsegmentonanindex-organizedtablethatalreadyhasanoverfl...

IT技术学习 ·2023-07-28

ORA-49429: File already exists and OVERWRITE option not specified [string]

文档解释ORA-49429:FilealreadyexistsandOVERWRITEoptionnotspecified[string]Cause:Theclientattemptedtocreateafilethatalreadyexists.Action:EitherremovethefileorusetheOV...

IT技术学习 ·2023-07-28

ORA-29533: attempt to overwrite class or resource string while defining or compiling string.string

文档解释ORA-29533:attempttooverwriteclassorresourcestringwhiledefiningorcompilingstring.stringCause:AclassorresourcedefinedbyaSQLJsourceconflictedwithanexistingobje...

IT技术学习 ·2023-07-28

ORA-30996: Streams operations over non-existent stream

文档解释ORA-30996:Streamsoperationsovernon-existentstreamCause:ThestreampassedisNULLorinvalid.Action:Checktheinputparameters.OTRA-30996:Streamsoperationsovernon-exi...

IT技术学习 ·2023-07-28

ORA-38797: Full database recovery required after a database has been flashed back

文档解释ORA-38797:FulldatabaserecoveryrequiredafteradatabasehasbeenflashedbackCause:Anattemptwasmadetorecoversomedatafilesortablespacesofadatabaseafterthedatabaseha...

IT技术学习 ·2023-07-28

ORA-16416: No viable stringswitchover targets available

文档解释ORA-16416:NoviablestringswitchovertargetsavailableCause:Switchoverfailedbecausenostandbydatabasesoftheappropriatetypewereavailable.Action:Checkthealertlogfo...

IT技术学习 ·2023-07-28

ORA-15133: instance recovery required for diskgroup string

文档解释ORA-15133:instancerecoveryrequiredfordiskgroupstringCause:Aninstanceintheclustercrashedmakinginstancerecoverynecessary.Action:None.Thiserrorshouldnotnormall...

IT技术学习 ·2023-07-28

ORA-16574: switchover disallowed when required databases are shut down

文档解释ORA-16574:switchoverdisallowedwhenrequireddatabasesareshutdownCause:Switchoverfailedbecauseeithertheprimarydatabaseorthedesignatedstandbydatabasewereshutdow...

IT技术学习 ·2023-07-28

ORA-38776: cannot begin flashback generation – recovery area is disabled

文档解释ORA-38776:cannotbeginflashbackgeneration–recoveryareaisdisabledCause:Duringadatabasemount,theRVWRprocessdiscoveredthattherecoveryareawasdisabled.DB_RE...

IT技术学习 ·2023-07-28

ORA-10583: Can not recovery file string renamed as missing during test recovery

文档解释ORA-10583:CannotrecoveryfilestringrenamedasmissingduringtestrecoveryCause:Oneofthefilestoberecoveredisrenamedasmissing.Action:Renamethefiletothecorrectfileo...

IT技术学习 ·2023-07-28

ORA-10576: Give up restoring recovered datafiles to consistent state: some error occurred

文档解释ORA-10576:Giveuprestoringrecovereddatafilestoconsistentstate:someerroroccurredCause:Seealertfileorothererrorsonthestackforacauseoftheproblem.Action:Thiserro...

IT技术学习 ·2023-07-27

ORA-12539: TNS:buffer over- or under-flow

文档解释ORA-12539:TNS:bufferover-orunder-flowCause:Buffertoosmallforincomingdataortoolargeforoutgoingdata.Action:Thisrestriction(whichisassociatedwithCONNECTDATA)is...

IT技术学习 ·2023-07-27

ORA-16267: Cannot instantiate a Logical Standby during a switchover

文档解释ORA-16267:CannotinstantiateaLogicalStandbyduringaswitchoverCause:AninstantiationofaLogicalStandbyhasbeenattemptedforaprimarydatabasethatisinthemiddleofaswit...

IT技术学习 ·2023-07-27