Re: How does HBase manage Memstore

2015-08-02 Thread Chang Chen
Hi Ted we are using 0.96, so no hbase.hregion.percolumnfamilyflush.size.lower.bound exists. Besides these options, hbase.regionserver.optionalcacheflushinterval is also related to flush memstore. Thanks Chang On Sat, Aug 1, 2015 at 5:11 PM, Ted Yu wrote: > Here're some other memstore related

Re: How does HBase manage Memstore

2015-08-01 Thread Ted Yu
Here're some other memstore related config parameters: hbase.regionserver.global.memstore.size hbase.regionserver.global.memstore.size.lower.limit hbase.hregion.preclose.flush.size hbase.hregion.memstore.block.multiplier hbase.hregion.percolumnfamilyflush.size.lower.bound The last one is for per

How does HBase manage Memstore

2015-08-01 Thread Chang Chen
Hi All How does HBase flush memstore besides the configuration in [hbase.hregion.memstore.flush.size]? I believe we set flush size to 64M, but I find many *small* memstore flush logs as below 2015-06-25 10:19:09,243 INFO org.apache.hadoop.hbase.regionserver.HRegion: Finished memstore flush of ~