Apache9 commented on a change in pull request #501: HBASE-22699 refactor
isMetaClearingException
URL: https://github.com/apache/hbase/pull/501#discussion_r314966430
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File path:
hbase-client/src/main/java/org/apache/hadoop/hbase/exceptions/ClientExceptionsUtil.java
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@@ -59,18 +58,22 @@ public static boolean isMetaClearingException(Throwable
cur) {
if (cur == null) {
return true;
}
- return !isSpecialException(cur) || (cur instanceof RegionMovedException)
- || cur instanceof NotServingRegionException;
+ return !regionDefinitelyOnTheRegionServerException(cur);
}
- public static boolean isSpecialException(Throwable cur) {
- return (cur instanceof RegionMovedException || cur instanceof
RegionOpeningException
- || cur instanceof RegionTooBusyException || cur instanceof
RpcThrottlingException
- || cur instanceof MultiActionResultTooLarge || cur instanceof
RetryImmediatelyException
- || cur instanceof CallQueueTooBigException || cur instanceof
CallDroppedException
- || cur instanceof NotServingRegionException || cur instanceof
RequestTooBigException);
+ private static boolean regionDefinitelyOnTheRegionServerException(Throwable
t) {
+ return (t instanceof RegionTooBusyException || t instanceof
RpcThrottlingException
+ || t instanceof RetryImmediatelyException || t instanceof
CallQueueTooBigException
Review comment:
And for CallQueueTooBigException, CallDroppedException,
RequestTooBigExcetion, it does not mean that the region is on the region
server? We just do not want to push too much pressure on meta so we do not want
to retry on these exceptions everytime, but the method name here is a bit
confusing...
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