Adar Dembo has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/8375 )
Change subject: KUDU-2162 Expose stats about scan filters ...................................................................... KUDU-2162 Expose stats about scan filters This patch adds the following resource metrics to scanners. - bytes read, from disk or cache - scan rpc wait and total duration scanner was open in nanoseconds - cpu time and system time in nanoseconds These metrics can be used to roughly compare the amount of work done by scan operations, and could be useful for runtime optimizations in query planners like Impala or Spark. Change-Id: Id30a7e82357fe2fc28f6d316378a612af43d8c96 Reviewed-on: http://gerrit.cloudera.org:8080/8375 Reviewed-by: Adar Dembo <[email protected]> Tested-by: Adar Dembo <[email protected]> --- M java/kudu-client/src/main/java/org/apache/kudu/client/AsyncKuduScanner.java M java/kudu-client/src/main/java/org/apache/kudu/client/KuduScanner.java A java/kudu-client/src/main/java/org/apache/kudu/client/ResourceMetrics.java M java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java M src/kudu/client/client-test.cc M src/kudu/rpc/inbound_call.cc M src/kudu/rpc/inbound_call.h M src/kudu/rpc/rpc_context.cc M src/kudu/rpc/rpc_context.h M src/kudu/tserver/scanners.cc M src/kudu/tserver/scanners.h M src/kudu/tserver/tablet_service.cc M src/kudu/tserver/tserver.proto 13 files changed, 242 insertions(+), 14 deletions(-) Approvals: Adar Dembo: Looks good to me, approved; Verified -- To view, visit http://gerrit.cloudera.org:8080/8375 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: Id30a7e82357fe2fc28f6d316378a612af43d8c96 Gerrit-Change-Number: 8375 Gerrit-PatchSet: 17 Gerrit-Owner: Will Berkeley <[email protected]> Gerrit-Reviewer: Adar Dembo <[email protected]> Gerrit-Reviewer: Anonymous Coward <[email protected]> Gerrit-Reviewer: Thomas Tauber-Marshall <[email protected]> Gerrit-Reviewer: Tidy Bot (241) Gerrit-Reviewer: Todd Lipcon <[email protected]>
