Re: Regarding Quorum Journal protocol used in HDFS

2014-06-18 Thread Giridhar Addepalli
Just wanted to be more clear. Now when namenode on n1 tried to finalize inprogress log segment ( upon instruction from standby namenode on n2 after edit log roll over time has passed ), namenode process on n1 got terminated(*because it could not get quorum of responses*). Thanks, Giridhar. On W

Regarding Quorum Journal protocol used in HDFS

2014-06-18 Thread Giridhar Addepalli
Hi, We are trying to understand Quorum Journal Protocol (HDFS-3077) Came across a scenario in which active name node is terminated and standby namenode took over as new active namenode. But we could not understand why active namenode got terminated in the first place. Scenario : We have 3 node