[email protected] has uploaded this change for review. ( http://gerrit.cloudera.org:8080/14652
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 - duration scanner was open in nanoseconds - wall time, 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: I127b96a30467ea0abcaf6ed5b4d72df66b2dec55 --- 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/tserver/tablet_service.cc M src/kudu/tserver/tablet_service.h M src/kudu/tserver/tserver.proto 8 files changed, 207 insertions(+), 15 deletions(-) git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/52/14652/1 -- To view, visit http://gerrit.cloudera.org:8080/14652 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I127b96a30467ea0abcaf6ed5b4d72df66b2dec55 Gerrit-Change-Number: 14652 Gerrit-PatchSet: 1 Gerrit-Owner: Anonymous Coward <[email protected]>
