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Michael Stack resolved HBASE-25705. ----------------------------------- Fix Version/s: 3.0.0-alpha-1 Hadoop Flags: Reviewed Resolution: Fixed Merged to master branch. It won't backport w/o complaint. Open sub-task if you have PRs for backports [~mokai87]. Thanks for the PR. > Convert proto to RSGroupInfo is costly > -------------------------------------- > > Key: HBASE-25705 > URL: https://issues.apache.org/jira/browse/HBASE-25705 > Project: HBase > Issue Type: Improvement > Components: rsgroup > Affects Versions: 3.0.0-alpha-1, 2.2.3 > Reporter: mokai > Assignee: mokai > Priority: Minor > Fix For: 3.0.0-alpha-1 > > > Convert RSGroupProtos.RSGroupInfo to RSGroupInfo is costly if the RSGroup has > too many RSs and tables. > We can use parallelStream to handle the HBaseProtos.ServerName list and > TableProtos.TableName list in ProtubufUtil#toGroupInfo as blow. > {quote}Collection<Address> addresses = proto.getServersList() > .parallelStream() > .map(server -> Address.fromParts(server.getHostName(), server.getPort())) > .collect(Collectors.toList()); > Collection<TableName> tables = proto.getTablesList() > .parallelStream() > .map(tableName -> ProtobufUtil.toTableName(tableName)) > .collect(Collectors.toList()); > {quote} > Get the RSGroupInfo which has 9 RS and 20k tables, the time cost reduced from > 6038 ms to 684 ms. -- This message was sent by Atlassian Jira (v8.3.4#803005)