Support Questions
Find answers, ask questions, and share your expertise

HBase regionserver reporting wal.FSHLog: Slow sync cost. Searching so far points towards Datanode XMX tuning, any other suggestions?

Solved Go to solution
Highlighted

HBase regionserver reporting wal.FSHLog: Slow sync cost. Searching so far points towards Datanode XMX tuning, any other suggestions?

Mentor
 
1 ACCEPTED SOLUTION

Accepted Solutions
Highlighted

Re: HBase regionserver reporting wal.FSHLog: Slow sync cost. Searching so far points towards Datanode XMX tuning, any other suggestions?

Is this for all RSs or just one "abnormal" one. Are you sure there are no bad disks, or all standard OS tunings have been done.

this jira ticket was meant to help investigate these issues

https://issues.apache.org/jira/browse/HBASE-11240

View solution in original post

2 REPLIES 2
Highlighted

Re: HBase regionserver reporting wal.FSHLog: Slow sync cost. Searching so far points towards Datanode XMX tuning, any other suggestions?

Is this for all RSs or just one "abnormal" one. Are you sure there are no bad disks, or all standard OS tunings have been done.

this jira ticket was meant to help investigate these issues

https://issues.apache.org/jira/browse/HBASE-11240

View solution in original post

Highlighted

Re: HBase regionserver reporting wal.FSHLog: Slow sync cost. Searching so far points towards Datanode XMX tuning, any other suggestions?

Mentor

All RS return this message. I followed all tuning practices as described on SME list.

Don't have an account?