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https://issues.apache.org/jira/browse/HBASE-12717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weichen Ye resolved HBASE-12717.
--------------------------------
Resolution: Duplicate
Fix Version/s: 1.1.0
2.0.0
> Pre-split algorithm in HBaseAdmin.create() can not find the split point
> -----------------------------------------------------------------------
>
> Key: HBASE-12717
> URL: https://issues.apache.org/jira/browse/HBASE-12717
> Project: HBase
> Issue Type: Bug
> Components: Admin
> Affects Versions: 0.98.6
> Reporter: Weichen Ye
> Assignee: Weichen Ye
> Priority: Critical
> Fix For: 2.0.0, 1.1.0
>
>
> When we set the start key and the end key in the function:
> createTable(HTableDescriptor desc, byte[] startKey, byte[] endKey, int
> numRegions)
> The current pre-split algorithm could not find a split point between the keys
> like "aaa" and "aab", "1111" and "1112".
> Example Code for this bug:
> admin.createTable(htd, Bytes.toBytes("aaa"), Bytes.toBytes("aab"), 4);
> we will get the following ERROR:
> Exception in thread "main" java.lang.IllegalArgumentException: Unable to
> split key range into enough regions
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:473)
> at test.JavaTest.main(JavaTest.java:28)
> We hope this pre-split algorithm should be able to calculate the split point
> with an additional byte. for example:
> "aaa" and "aab", split point= "aaaP"
> "1111" and "1112", split point ="1111P"
>
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