jojochuang commented on code in PR #7329:
URL: https://github.com/apache/ozone/pull/7329#discussion_r1808081831
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java:
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@@ -215,6 +222,28 @@ private OMResponse internalProcessRequest(OMRequest
request) throws
// Added the assertion.
assert (omClientRequest != null);
OMClientRequest finalOmClientRequest = omClientRequest;
+
+ ClientInvocationId clientInvocationId = ClientInvocationId.valueOf(
+
ClientId.valueOf(UUID.nameUUIDFromBytes(ProtobufRpcEngine.Server.getClientId())),
+ ProtobufRpcEngine.Server.getCallId());
+ RetryCache.Entry cacheEntry =
+
omRatisServer.getServerDivision().getRetryCache().getIfPresent(clientInvocationId);
+ // if this request has been executed before, return the cached result.
+ if (cacheEntry != null) {
+ if (cacheEntry.getReplyFuture().isDone()) {
+ RaftClientReply raftClientReply;
+ try {
+ raftClientReply = cacheEntry.getReplyFuture().get();
+ } catch (ExecutionException ex) {
+ throw new ServiceException(ex.getMessage(), ex);
+ } catch (InterruptedException ex) {
+ Thread.currentThread().interrupt();
+ throw new ServiceException(ex.getMessage(), ex);
+ }
+ return
OMRatisHelper.getOMResponseFromRaftClientReply(raftClientReply);
+ }
+ }
Review Comment:
No, it doesn't and that's what puzzled me initially. The check for retry
cache happens after preExecute() in submitRequestToRatis().
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