huaxiang sun created HBASE-18401:
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Summary: Region Replica broken in branch-1
Key: HBASE-18401
URL: https://issues.apache.org/jira/browse/HBASE-18401
Project: HBase
Issue Type: Bug
Affects Versions: 1.2.6, 1.3.1
Reporter: huaxiang sun
Assignee: huaxiang sun
Read replica is broken in branch-1, after the region split, we saw replica
region as content in hbase:meta, while the previous behavior is that replica
region should not show up in info:regioninfo.
{code}
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706 column=info:regioninfo,
timestamp=1500340472406, value={ENCODED => d8faa669dde775c323f6e55fd5aa36e0,
NAME => 't1,r2111,1500340472229_0001.d8faa669dde7
e73ca. 75c323f6e55fd5aa36e0.',
STARTKEY => 'r2111', ENDKEY => 'r21111', REPLICA_ID => 1}
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706
column=info:seqnumDuringOpen, timestamp=1500340472379,
value=\x00\x00\x00\x00\x00\x00\x00\x02
e73ca.
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706
column=info:seqnumDuringOpen_0001, timestamp=1500340472406,
value=\x00\x00\x00\x00\x00\x00\x00\x02
e73ca.
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706 column=info:server,
timestamp=1500340472379, value=dhcp-172-16-1-203.pa.cloudera.com:59105
e73ca.
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706 column=info:server_0001,
timestamp=1500340472406, value=dhcp-172-16-1-203.pa.cloudera.com:59105
e73ca.
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706
column=info:serverstartcode, timestamp=1500340472379, value=1500340443589
e73ca.
t1,r2111,1500340472229.814f68c2d6e92dd8acb82a55706
column=info:serverstartcode_0001, timestamp=1500340472406,
value=\x00\x00\x01]SBY\xC5
{code}
This was introduced by
https://github.com/apache/hbase/blame/branch-1-HBASE-18147/hbase-client/src/main/java/org/apache/hadoop/hbase/MetaTableAccessor.java#L1464
It does not consider that case that regionInfo could come from a replica region.
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