#DISTRIBUTED

ORA-02046: distributed transaction already begun

文档解释ORA-02046:distributedtransactionalreadybegunCause:internalerrororerrorinexternaltransactionmanager.Aserversessionreceivedabegin_tranRPCbeforefinishingwithap...

ORA-02049: timeout: distributed transaction waiting for lock

文档解释ORA-02049:timeout:distributedtransactionwaitingforlockCause:exceededINIT.ORAdistributed_lock_timeoutsecondswaitingforlock.Action:treatasadeadlockORA-02049是O...

ORA-02079: cannot join a committing distributed transaction

文档解释ORA-02079:cannotjoinacommittingdistributedtransactionCause:Onceatransactionbranchisprepared,nomorenewtransactionbranchesareallowedtostart,noristhepreparedtr...

ORA-01591: lock held by in-doubt distributed transaction string

文档解释ORA-01591:lockheldbyin-doubtdistributedtransactionstringCause:Tryingtoaccessresourcethatislockedbyadeadtwo-phasecommittransactionthatisinpreparedstate.Actio...

MySQL Error number: MY-010628; Symbol: ER_NDB_DISTRIBUTED_INFO; SQLSTATE: HY000

文档解释Errornumber:MY-010628;Symbol:ER_NDB_DISTRIBUTED_INFO;SQLSTATE:HY000Message:NDB:distributed%s.%s(%u/%u)type:%s(%u)query:’%s’to%x%08x错误说明MY-010628...

MySQL Error number: MY-010611; Symbol: ER_NDB_TABLE_IS_NOT_DISTRIBUTED; SQLSTATE: HY000

文档解释Errornumber:MY-010611;Symbol:ER_NDB_TABLE_IS_NOT_DISTRIBUTED;SQLSTATE:HY000Message:NDB:Inconsistencydetectedindistributedprivilegetables.Table‘%s.%s&#...

【Spark】RDD(Resilient Distributed Dataset)究竟是什么?

目录基本概念官方文档概述含义RDD出现的原因五大属性以单词统计为例,一张图熟悉RDD当中的五大属性解构图RDD弹性RDD特点分区只读依赖缓存checkpoint基本概念官方文档介绍RDD的官方说明:http://spark.apache.org/docs/latest/rdd-programming-guide.htm...

【word2vec】Distributed Representation——词向量

  DistributedRepresentation这种表示,它最早是Hinton于1986年提出的,可以克服one-hotrepresentation的缺点。其基本想法是:  通过训练将某种语言中的每一个词映射成一个固定长度的短向量(当然这里的“短”是相对于one-hotrepresenta...

Kafka connect in practice(3): distributed mode mysql binlog ->kafka->hive

InthepreviouspostKafkaconnectinpractice(1):standalone,Ihaveintroducedaboutthebasicsofkafkaconnect  configurationanddemonstratealocalstandalonedemo.Int...

分布式缓存DistributedCache

本文是对MR案例:Map-Join的解读。在hadoop中,共享全局变量或全局文件的几种方法使用Configuration的set()方法,只适合数据内容比较小的场景将缓存文件放在HDFS上,每次都去读取,效率比较低将缓存文件放在DistributedCache里,在setup()初始化一次后,即可多次使用,缺点是不支...

DDoS(Distributed Denial of Service,分布式拒绝服务)

DDoS:DistributedDenialofService,即分布式拒绝服务攻击。借助于客户/服务器技术,将多个计算机联合起来作为攻击平台,对一个或多个目标发动DDoS攻击,从而成倍地提高拒绝服务攻击的威力。通常,攻击者使用一个偷窃帐号将DDoS主控程序安装在一个计算机上,在一个设定的时间主控程序将与大量代理程序通...
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