#tuning

ORA-13786: missing SQL text of statement object “string” for tuning task “string”

文档解释ORA-13786:missingSQLtextofstatementobject“string”fortuningtask“string”Cause:TheuserattemptedtoacceptSQLprofileforanobjectthathasnota...

ORA-13771: cannot obtain exclusive lock string on “SQL Tuning Set” “string” owned by user “string”

文档解释ORA-13771:cannotobtainexclusivelockstringon“SQLTuningSet”“string”ownedbyuser“string”Cause:UnexpectederrorfromDBMS_LOCK.R...

ORA-13776: User “string” has not been granted the “SELECT” privilege on the “SQL tuning set” DBA views.

文档解释ORA-13776:User“string”hasnotbeengrantedthe“SELECT”privilegeonthe“SQLtuningset”DBAviews.Cause:TheuserattemptedtoreadaSQLt...

ORA-13718: Tuning Package License or Real Application Testing Option is needed for using this feature.

文档解释ORA-13718:TuningPackageLicenseorRealApplicationTestingOptionisneededforusingthisfeature.Cause:Thespecifiedpackagelicenseandoptionwerenotinstalled.Action:Con...

ORA-13755: invalid “SQL Tuning Set” name

文档解释ORA-13755:invalid“SQLTuningSet”nameCause:TheuserattemptedtospecifyaSQLTuningSetnamethatisinvalid.Anamemustnotcontainwildcardsanditslengthmustbel...

ORA-13757: “SQL Tuning Set” “string” owned by user “string” is active.

文档解释ORA-13757:“SQLTuningSet”“string”ownedbyuser“string”isactive.Cause:TheuserattemptedtoupdateanactiveSQLTuningSet.Action:Re...

ORA-13785: missing target object for tuning task “string”

文档解释ORA-13785:missingtargetobjectfortuningtask“string”Cause:Theuserattemptedtoperformanoperationonataskwithoutspecifyingatargetobjectorbyusinganinva...

ORA-13778: no new name or owner specified for “SQL Tuning Set”

文档解释ORA-13778:nonewnameorownerspecifiedfor“SQLTuningSet”Cause:Theuserattemptedtocallremap_stgtab_sqlsetwithoutspecifyingeitheranewSQLtuningsetnameor...
IT技术学习 ·2023-07-08

Start and Use the Database Engine Tuning Advisor

https://docs.microsoft.com/en-us/sql/relational-databases/performance/start-and-use-the-database-engine-tuning-advisor?view=sql-server-2017 ...
代码星球 ·2021-02-08

Mac OS启动服务优化高级篇(launchd tuning)

Mac下的启动服务主要有三个地方可配置:1,系统偏好设置->帐户->登陆项2,/System/Library/StartupItems和/Library/StartupItems/3,launchd系统初始化进程配置。前两种优化比较简单,本文主要介绍的是第三种更为复杂的launchd配置优化...
代码星球 ·2021-01-31

caffe中的fine-tuning

caffefinetune两种修改网络结构prototxt方法第一种方法:将原来的prototxt中所有的fc8改为fc8-re。(若希望修改层的学习速度比其他层更快一点,可以将lr_mult改为原来的10倍或者其他倍数)第二种方法:只修改name,如下例子所示:layer{name:"fc8-re"#原来为"fc8"...
代码星球 ·2020-12-17

fine-tuning

fine-tuning是微调的意思,是用别人训练好的模型(即pre-trainedmodel),加上我们自己的数据,来训练新的模型。finetune相当于使用别人的模型的前几层,来提取浅层特征,然后在最后再落入我们自己的分类中。一般来说我们自己需要做的方向,比如在一些特定的领域的识别分类中,我们很难拿到大量的数据。因为...
代码星球 ·2020-10-12

ORACLE SQL TUNING ADVISOR 使用方法

sqltunningadvisor使用的主要步骤: 1建立tunningtask 2执行task 3显示tunning结果 4根据建议来运行相应的调优方法  下面来按照这个顺序来实施一遍:  1 建立测试表以及索引SQL>C...

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

初次使用SQL调优建议工具--SQL Tuning Advisor

  在10g中,Oracle推出了自己的SQL优化辅助工具: SQL优化器(SQL Tuning Advisor :STA)。它是新的DBMS_SQLTUNE包。使用STA一定要保证优化器是CBO模式下。可是我觉得使用这样的工具。仅适合全然不懂SQL的调优的人...
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