The current log folder in hdfs (.logs) seems to always keep to 32 log files max per region server or the last hour. It is the .oldlogs folder that is growing crazy large. I added the setting for hbase.master.logcleaner.ttl and switched it from 7 days to 2 days and restarted yesterday and no oldlogs have been removed yet. I assume the TTL is based on file date time? This seems to be new in .90 so I am worried that the replication changes have introduced this. Per the replication page ( http://hbase.apache.org/docs/r0.89.20100726/replication.html) I think some of this logic is blocking the clean up.
Can I delete these manually without a problem on my own? Our cluster will fill up in 3-4 days at the rate we are going. Thanks.
