I just checked and I can see it in 1.4.10 jmspaggiari@t460s:/stock/hbase-releases/hbase-1.4.10$ grep -R hbase.hregion.memstore.chunkpool.maxsize * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.java: final static String CHUNK_POOL_MAXSIZE_KEY = "hbase.hregion.memstore.chunkpool.maxsize"; j
Le mar. 2 juil. 2019 à 22:31, Vladimir Rodionov <[email protected]> a écrit : > HBase 1.4.10 should have MSLAB already. I presume. I personally have never > used 1.3.x and 1.4.x but I think if 1.1.x has this feature (its probably > there since 0.96?) 1.3 and 1.4 must have it as well. > > -Vlad > > On Mon, Jul 1, 2019 at 10:20 PM Syni Guo <[email protected]> wrote: > > > > > Hi , > > > > I want to use MSLAB feature on Hbase 1.4.10, I checked the useage > > HBASE-8163 (https://issues.apache.org/jira/browse/HBASE-8163) as bellow > > , it was fixed 0.98.0, 0.95.0 and whether need to apply it on Hbase > 1.4.10 > > ? > > > > Usage: > > Disable pool(default): configure > > "hbase.hregion.memstore.chunkpool.maxsize" as 0 > > Enable pool: configure "hbase.hregion.memstore.chunkpool.maxsize" as a > > percentage of global memstore size (between 0.0 and 1.0, recommend to set > > it as the gap between min and max sizes of memstore, e.g. 0.5) > > > > > > Hbase DOC: > > > > If you have a write-heavy workload, check out HBASE-8163 > > MemStoreChunkPool: An improvement for JAVA GC when using MSLAB< > > https://issues.apache.org/jira/browse/HBASE-8163>. It describes > > configurations to lower the amount of young GC during write-heavy > loadings. > > If you do not have HBASE-8163 installed, > > > > > > Question : > > 1. Need to apply HBASE-8163 on Hbase 1.4.10 ? > > 2. How to check out HBASE-8163 is installed on Hbase 1.4.10 bin vaersion? > > > > > > Regards, > > > > Syni > > > > >
