- 2024-07-29记一次ElasticSearch重启之后shard未分配问题的解决 allocation_status": "no_attempt
记一次ElasticSearch重启之后shard未分配问题的解决环境ElasticSearch6.3.2,三节点集群Ubuntu16.04一个名为user的索引,索引配置为:3primaryshard,每个primaryshard2个replica正常情况下,各个分片的分布如下:可见,user索引的三个分片平均分布在各台机器上,可以完全容忍一台机
- 2024-07-21CO2201 Software Engineering
CO2201SoftwareEngineeringProjectAssignmentSpecification(30%)Dueon Friday26th July2024Objective Theassignmentdevelopsthestudents’skillsinbasiccalculationsusedin Financialservices.
- 2024-06-15万能破题方法包(3)暴力破解法
一、前言 暴力破解法是指通过尝试所有可能的密码组合来破解密码1.1、概念 暴力破解法是一种通过尝试所有可能的密码组合来破解密码的方法。它基于暴力的方式,不依赖于任何密码漏洞或特殊技巧,而是通过穷举所有可能性来找到正确的密码。1.2、解决步骤
- 2024-06-06Uncaught TypeError: Invalid attempt to spread non-iterable instance.
1、报错信息:报错UncaughtTypeError:Invalidattempttospreadnon-iterableinstance.Inordertobeiterable,non-arrayobjectsmusthavea[Symbol.iterator]()method.at_nonIterableSpread(OgPanel.js:20:39)at_toConsumableArray(OgPanel.js:18:131)
- 2024-03-28Login with Username and Password Your login attempt was not successful, try again. Reason: 坏的凭证
在互联网大厂也干过,学了很多技术,后面去了外包公司干了好多年,也没怎么学习了,更没有去研究架构之类的,到最后只剩下增删改查了。接下来花费半年时间努力站在架构角度去设计和开发,力争下半年换个30K的工作,现在行情不好,只能拿到20K,好了废话不说,写博客吧------------------------------
- 2023-11-08Hadoop细粒度近实时慢节点告警实践
1.背景在https://blog.51cto.com/u_15327484/8260931文章中,介绍了通过抓取Yarnweb页面的方式获取task级别的进度,并且将task进度通过纵向的历史进度进行预测对比检查作业进度是否符合预期。对于task级别的进度,不仅可以用作纵向对比,还可以进行横向对比。当多次发生某个节点上执行
- 2023-10-18Redission并发锁报错:IllegalMonitorStateException: attempt to unlock lock, not locked by current thread by
生产上突然出现一条报错j.l.IllegalMonitorStateException:attempttounlocklock,notlockedbycurrentthreadbynodeid:1411e030-3c44-48d7-9eb6-6030022ce681thread-id:111ato.r.RedissonBaseLock.lambda$unlockAsync$2(RedissonBaseLock.java:323)
- 2023-08-13问题排查org
问题排查org.apache.hadoop.ipc.Client背景是在三台云服务器上部署Hadoop集群,当提交job到yarn上执行时,一直处在map阶段,记录一下排查问题的过程。排查思路都已经到map阶段了,说明ApplicationMaster(AM)已经起了,所以我打算查看AM的日志。如何知道AM起在哪台机器呢?appllicati
- 2023-07-20kafaka is unavailable or invalid, will attempt rediscover
如何处理"kafkaisunavailableorinvalid,willattemptrediscover"错误提示引言在开发过程中,我们可能会遇到各种错误提示,其中一种常见的错误提示是"kafkaisunavailableorinvalid,willattemptrediscover"。这个错误提示意味着Kafka无效或不可用,需要尝试重新发现。本文
- 2023-06-07The first attempt of a MnZn
Prove:If\(a>0\),then\(\forallx\in\mathbbR,a(\mathrme^x+a)-x>2\lna+\dfrac32\)Proof:Let\(f(x)=a(\mathrme^x+a)-x\),then\(f'(x)=a\mathrme^x-1\).Since\(f'(x)>0\)iff\(x<-\lna\),\(\m
- 2023-05-30An attempt has been made to start a new process before the current process has finished its bootstra
Traceback(mostrecentcalllast): File"<string>",line1,in<module> File"E:\Eprogramfiles\Anaconda3\lib\multiprocessing\spawn.py",line116,inspawn_main exitcode=_main(fd,parent_sentinel) File"E
- 2023-05-16An Attempt at Reducing Costs of Disk I/O in Go
为了实现磁盘上的IO,go语言使用一组IO线程池用来提高CPU的使用率本文是在go语言上尝试了接入了linuxlibaio,并没有发现性能的提升。使用O_DIRECT意味着数据直接到达磁盘上,这将不能有效的利用pagecache用来加速,合并读写请求;O_DIRECT的方式对读写的大小有限制,必须是blocksize大小
- 2023-04-11ECON1203 经济与统计
UNSWBusinessSchoolECON1203BusinessEconomicsandStatisticsProjectOverviewTheprojectaimstoenhanceyourcareer-focusedlearningexperiencebybringingreal-worldscenariosandarealbusinessproblemintotheclassroom,creatingasafespaceforyo
- 2023-02-19An attempt to set a process's DebugPort or ExceptionPort was made
Howtoresolve"Cannotdebugpid,NTSTATUS0xC0000048"-"Anattempttosetaprocess'sDebugPortorExceptionPortwasmade..."2011/10/21 OnceIfou
- 2022-12-02重试机制的实现(Guava Retry)
重试机制的实现重试作用:对于重试是有场景限制的,参数校验不合法、写操作等(要考虑写是否幂等)都不适合重试。远程调用超时、网络突然中断可以重试。外部RPC调用,或者数据
- 2022-11-07Springboot中使用GSON报错 An attempt was made to call the method com.google.gson.GsonBuilder.setLenient
错误如下: Description:Anattemptwasmadetocallthemethodcom.google.gson.GsonBuilder.setLenient()Lcom/google/gson/GsonBuilder;butitdoesnotexist.Itscl
- 2022-11-04C语言技巧
//宏定义,判断是否OK,否则输出错误对应的函数和行数#defineATTEMPT(xFuncToTry){if(xFuncToTry!=MXD_OK)\{MXD_DBG_ERROR("ATTEMPTf
- 2022-10-31ValueError: Attempt to convert a value (1) with an unsupported type xx to a Tensor
如题所述问题,其本质是tensorflow版本不兼容的问题,但是为了一个错误去更新tensorflow版本,往往会消耗较长时间,而且说不定会引起其他地方依赖的问题。关于该问题可以考虑从不
- 2022-10-25【异常处理】node-retry 断网等异常重试
https://github.com/tim-kos/node-retry (npminstallretry) constretry=require('retry')constdelay=require('delay')constisItGood=[false,false,tr
- 2022-09-27Nuget connection attempt failed "Unable to load the service index for source"
Nugetconnectionattemptfailed"Unabletoloadtheserviceindexforsource" 回答1Deleting%AppData%\Roaming\NuGet\NuGet.ConfigandrestartingVS2019wo
- 2022-09-23IDEA报错: An attempt was made to call a method that does not exist. The attempt was made from the foll
Description:Anattemptwasmadetocallamethodthatdoesnotexist.Theattemptwasmadefromthefollowinglocation:com.baomidou.mybatisplus.core.My
- 2022-09-19Guava Retry重试机制
1、添加pom依赖<dependency><groupId>com.github.rholder</groupId><artifactId>guava-retrying</artifactId><version>2.0.0</version></dependency>2、Gua