We are using cheap HW to run our HBase. Problem is in toshiba disks.
Thanks!
2015-03-13 20:44 GMT+03:00 Nick Dimiduk ndimi...@gmail.com:
HBase is telling you that writes to those datanodes are slow. Is it the
same host names over and over? Probably they have high system load, a bad
or dying
HBase is telling you that writes to those datanodes are slow. Is it the
same host names over and over? Probably they have high system load, a bad
or dying disk, bad or dying network adapter, c. Basically HBase is giving
you a hint to go diagnose your cluster.
-n
On Fri, Mar 13, 2015 at 2:44 AM,
Hi, finally I met HBase perfomance problems :(
I see this message:
org.apache.hadoop.hbase.regionserver.wal.FSHLog
Slow sync cost: 345 ms, current pipeline: []
in log file
sometimes [] contains actual addresses of my datanodes.
What are the steps to undestand why HBase is so slow.
I have 7RS and