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Posted to user@hbase.apache.org by huaxiang <hu...@asiainfo-linkage.com> on 2013/04/25 16:44:56 UTC
too many hlog request?

Hi, 

   There are many 'hlog roll request' with CDH4.2. large number inputs
continus lead to this happen. Is is normal or not?

   Log from regionserver below:

 

 
bigtable/7756276e3e6995cd9c5e3c41af186422/cf/a9d81c2dc87940de9c22bcc09b801d4
e

2013-04-25 22:41:52,377 INFO org.apache.hadoop.hbase.regionserver.Store:
Added
hdfs://mycluster/hbase/T22_0513_201303_bigtable/7756276e3e6995cd9c5e3c41af18
6422/cf/a9d81c2dc87940de9c22bcc09b801d4e, entries=209867,
sequenceid=47053702, filesize=29.2m

2013-04-25 22:41:52,379 INFO org.apache.hadoop.hbase.regionserver.HRegion:
Finished memstore flush of ~128.1m/134343224, currentsize=2.0m/2138432 for
region
T22_0513_201303_bigtable,,1366900584349.7756276e3e6995cd9c5e3c41af186422. in
1134ms, sequenceid=47053702, compaction requested=false

2013-04-25 22:41:53,304 DEBUG
org.apache.hadoop.hbase.regionserver.LogRoller: HLog roll requested

2013-04-25 22:41:53,348 DEBUG
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter: using new
createWriter -- HADOOP-6840

2013-04-25 22:41:53,348 DEBUG
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter:
Path=hdfs://mycluster/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C6002
0%2C1366896337574.1366900913304, syncFs=true, hflush=true, compression=false

2013-04-25 22:41:53,348 DEBUG org.apache.hadoop.hbase.regionserver.wal.HLog:
cleanupCurrentWriter  waiting for transactions to get synced  total 357665
synced till here 357664

2013-04-25 22:41:53,373 INFO org.apache.hadoop.hbase.regionserver.wal.HLog:
Roll
/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C60020%2C1366896337574.136
6900893688, entries=1603, filesize=64203414.  for
/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C60020%2C1366896337574.136
6900913304

2013-04-25 22:42:07,849 DEBUG
org.apache.hadoop.hbase.regionserver.LogRoller: HLog roll requested

2013-04-25 22:42:07,892 DEBUG
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter: using new
createWriter -- HADOOP-6840

2013-04-25 22:42:07,892 DEBUG
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter:
Path=hdfs://mycluster/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C6002
0%2C1366896337574.1366900927850, syncFs=true, hflush=true, compression=false

2013-04-25 22:42:07,926 INFO org.apache.hadoop.hbase.regionserver.wal.HLog:
Roll
/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C60020%2C1366896337574.136
6900913304, entries=1615, filesize=64095342.  for
/hbase/.logs/hadoop1,60020,1366896337574/hadoop1%2C60020%2C1366896337574.136
6900927850

 

 

   Best R

    beatls