busbey commented on a change in pull request #1203: HBASE-23878 : Backport
HBASE-22040 to branch-2.1
URL: https://github.com/apache/hbase/pull/1203#discussion_r384560097
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File path: hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
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@@ -1282,29 +1282,31 @@ void mergeRegions(byte[] nameOfRegionA, byte[]
nameOfRegionB,
/**
* Merge two regions. Asynchronous operation.
- *
* @param nameOfRegionA encoded or full name of region a
* @param nameOfRegionB encoded or full name of region b
- * @param forcible <code>true</code> if do a compulsory merge, otherwise we
will only merge
- * two adjacent regions
- * @throws IOException
+ * @param forcible <code>true</code> if do a compulsory merge, otherwise we
will only merge two
+ * adjacent regions
*/
- Future<Void> mergeRegionsAsync(
- byte[] nameOfRegionA,
- byte[] nameOfRegionB,
- boolean forcible) throws IOException;
+ default Future<Void> mergeRegionsAsync(byte[] nameOfRegionA, byte[]
nameOfRegionB,
+ boolean forcible) throws IOException {
+ byte[][] nameofRegionsToMerge = new byte[2][];
+ nameofRegionsToMerge[0] = nameOfRegionA;
+ nameofRegionsToMerge[1] = nameOfRegionB;
+ return mergeRegionsAsync(nameofRegionsToMerge, forcible);
+ }
/**
* Merge regions. Asynchronous operation.
- *
+ * <p/>
+ * You may get a {@code DoNotRetryIOException} if you pass more than two
regions in but the master
+ * does not support merging more than two regions. At least till 2.2.0, we
still only support
Review comment:
this version number will need to be updated
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