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This article mainly shows you "how to use split strategy in hbase". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how to use split strategy in hbase".

The split strategy used in this release is IncreasingToUpperBoundRegionSplitPolicy. To be exact, he is the strategy after version 0.94. Class is org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.java

First take a look at the configureForRegion method, where initialSize will be used later. The main purpose of this method is to initialize initialSize.

@ Override protected void configureForRegion (HRegion region) {super.configureForRegion (region); Configuration conf = getConf (); / / if hbase.increasing.policy.initial.size is set, use the user-set this.initialSize = conf.getLong ("hbase.increasing.policy.initial.size",-1); if (this.initialSize > 0) {return } / / if it is not set, see if hbase.hregion.memstore.flush.size has / / if not, then initialSize=2*hbase.hregion.memstore.flush.size, / / if not, use the default 1024 "1024" 128L (128m) HTableDescriptor desc = region.getTableDesc (); if (desc! = null) {this.initialSize = 2*desc.getMemStoreFlushSize ();} if (this.initialSize)

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