James Taylor created HBASE-11766:
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Summary: Backdoor CoprocessorHConnection is no longer being used
for local writes
Key: HBASE-11766
URL: https://issues.apache.org/jira/browse/HBASE-11766
Project: HBase
Issue Type: Bug
Affects Versions: 0.98.4
Reporter: James Taylor
There's a backdoor CoprocessorHConnection used to ensure that a batched
mutation does not go over the wire and back, but executes immediately locally.
This is leveraged by Phoenix during secondary index maintenance (for an ~20%
perf improvement). It looks to me like it's no longer used, as the following
function is never invoked:
public
org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ClientService.BlockingInterface
getClient(ServerName serverName) throws IOException {
It'd be good if feasible to add an HBase unit test to prevent further
regressions. For more info, see PHOENIX-1166.
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