zhaoyunjiong created HDFS-5367:
----------------------------------
Summary: Restore fsimage locked NameNode too long when the size of
fsimage are big
Key: HDFS-5367
URL: https://issues.apache.org/jira/browse/HDFS-5367
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: zhaoyunjiong
Assignee: zhaoyunjiong
Our cluster have 40G fsimage, we write one copy of edit log to NFS.
After NFS temporary failed, when doing checkpoint, NameNode try to recover it,
and it will save 40G fsimage to NFS, it takes some time (> 40G/128MB/s = 320
seconds) , and it locked FSNamesystem, and this bring down our cluster.
--
This message was sent by Atlassian JIRA
(v6.1#6144)
