Alexey Serbin has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/18053 )
Change subject: [bootstrap] Speedup tablet bootstrap ...................................................................... [bootstrap] Speedup tablet bootstrap Speedup tablet bootstrap by - using multi-threads to load tablets metadata - short circuit return when found an active memory store in TabletBootstrap::AnalyzeActiveStores() - improving branch prediction by adding more PREDICT_FALSE/TRUE on hot path A simple startup benchmark has been added, it shows that this patch can reduce about 85% tablets metadata load time when set --num_tablets_to_open_simultaneously from default 1 to 8 Change-Id: I816417d2d4c24014edb6b2a40c060f29e37ae219 Reviewed-on: http://gerrit.cloudera.org:8080/18053 Tested-by: Kudu Jenkins Reviewed-by: Alexey Serbin <[email protected]> Reviewed-by: Attila Bukor <[email protected]> --- M src/kudu/fs/fs_manager.cc M src/kudu/fs/log_block_manager.cc M src/kudu/tablet/tablet_bootstrap.cc M src/kudu/tablet/tablet_metadata.cc M src/kudu/tserver/ts_tablet_manager-test.cc M src/kudu/tserver/ts_tablet_manager.cc M src/kudu/tserver/ts_tablet_manager.h 7 files changed, 183 insertions(+), 91 deletions(-) Approvals: Kudu Jenkins: Verified Alexey Serbin: Looks good to me, approved Attila Bukor: Looks good to me, approved -- To view, visit http://gerrit.cloudera.org:8080/18053 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: I816417d2d4c24014edb6b2a40c060f29e37ae219 Gerrit-Change-Number: 18053 Gerrit-PatchSet: 22 Gerrit-Owner: Yingchun Lai <[email protected]> Gerrit-Reviewer: Alexey Serbin <[email protected]> Gerrit-Reviewer: Attila Bukor <[email protected]> Gerrit-Reviewer: Kudu Jenkins (120) Gerrit-Reviewer: Tidy Bot (241) Gerrit-Reviewer: Yingchun Lai <[email protected]>
