busbey commented on a change in pull request #923: HBASE-23554 Encoded
regionname to regionname utility
URL: https://github.com/apache/hbase/pull/923#discussion_r356361454
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File path:
hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionInfo.java
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@@ -346,15 +346,23 @@ static TableName getTable(final byte [] regionName) {
return parseRegionName(regionName)[1];
}
- @InterfaceAudience.Private
- static boolean isEncodedRegionName(byte[] regionName) throws IOException {
+ /**
+ * Figure if the passed bytes represent an encoded region name or not.
+ * @param regionName A Region name either encoded or not.
+ * @return True if <code>regionName</code> represents an encoded name.
+ */
+ @InterfaceAudience.Private // For use by internals only.
+ public static boolean isEncodedRegionName(byte[] regionName) throws
IOException {
try {
+ // TODO: This is extreme... a full parse and an exception if encoded --
and
+ // even then, we say it encoded just because it NOT encoded. Can we
+ // do something less expensive figuring if encoded?
Review comment:
How expensive is checking all the encoded region names we know about?
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