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改进同步复制 #45

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killme2008 opened this issue Apr 12, 2013 · 3 comments

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killme2008 commented Apr 12, 2013

当slave写入失败的时候，将master标识为不可用，从zookeeper移除
被标识为不可用的master-slave组，自行探测恢复，如果可以正常恢复，即自动加入到zookeeper
如果不能恢复，需通知到相关人员。

Owner Author

killme2008 commented May 13, 2013

Fixed by bd589b3

Owner Author

killme2008 commented May 13, 2013

samsa_master.properties配置添加三个新选项：

sendToSlaveTimeoutInMills 发送到slave的超时时间，单位毫秒，默认2秒
slaveContinuousFailureThreshold 发送到slave连续失败次数的阈值，超过这个阈值将停止发送消息到slave，并且会将master暂时从zookeeper列表里移除，同时启动一个后台线程做修复进入修复状态，尝试往slave投送消息，如果投送成功则认为slave恢复，重新注册master到zookeeper。默认100次。
checkSlaveIntervalInMills 当master出于修复状态的时候，检测slave是否恢复的时间间隔，默认100毫秒。

Owner Author

killme2008 commented Jun 3, 2013

1.4.5 released. https://github.com/killme2008/Metamorphosis/wiki/ReleaseNotes

killme2008 closed this as completed

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