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(Updated April 9, 2020, 2:58 p.m.) Review request for hive, Denys Kuzmenko, Aron Hamvas, Marton Bod, and Peter Vary. Repository: hive-git Description ------- Add the possibility to run benchmarks on opening lock in the HMS. Currently this change only introduces single-threaded/single client testing. I'm planning to add multi-client support in a separate change. Example parametrisation is as follows: hbench -M "lock" -N 10 -d hive_test -W 0 -L 100 hbench -M ".*Lock.*" -N 10 -d hive_test -W 0 -L 100 -T 8 --params 100 This will create N number (10) of tables to lock and it'll execute the lock() for L number (100) of times on T (8) threads where each thread will strart an HMS client Diffs ----- standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/BenchmarkTool.java 041cd76234 standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSBenchmarks.java f53f2ef43b standalone-metastore/metastore-tools/tools-common/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSClient.java 7cc1e42a8b standalone-metastore/metastore-tools/tools-common/src/main/java/org/apache/hadoop/hive/metastore/tools/Util.java 101d6759c5 Diff: https://reviews.apache.org/r/72112/diff/1/ Testing ------- File Attachments (updated) ---------------- HIVE-22869.2.patch https://reviews.apache.org/media/uploaded/files/2020/04/02/5e35e835-f383-495f-9964-e66773fd6a90__HIVE-22869.2.patch HIVE-22869.3.patch https://reviews.apache.org/media/uploaded/files/2020/04/09/458beaa7-4743-40fb-a213-1ae4527be823__HIVE-22869.3.patch Thanks, Zoltan Chovan
