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sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/persistent/SentryStore.java Lines 2760 (patched) <https://reviews.apache.org/r/62112/#comment260909> Do we need to intern the strings to reduce memory usage? similar like below? + List<String> paths = new ArrayList<>(pathComponents.length); + for (String pathElement: pathComponents) { + paths.add(pathElement.intern()); + } - Na Li On Sept. 6, 2017, 6:48 p.m., Alexander Kolbasov wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/62112/ > ----------------------------------------------------------- > > (Updated Sept. 6, 2017, 6:48 p.m.) > > > Review request for sentry, Arjun Mishra, Brian Towles, Na Li, Sergio Pena, > Vamsee Yarlagadda, and Vadim Spector. > > > Bugs: SENTRY-1915 > https://issues.apache.org/jira/browse/SENTRY-1915 > > > Repository: sentry > > > Description > ------- > > SENTRY-1915 Sentry is doing a lot of work to convert list of paths to > HMSPaths structure > > > Diffs > ----- > > > sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/PathsUpdate.java > 719c1acc18ce627f5228efb0d9cf47a7b5810a1b > > sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java > cbdc7ecdbeee0825b57b0c4408e0600f601a166c > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/PathImageRetriever.java > 1762ee5fd21bb49f6593c2f0a0cc5810bfc4b8dd > > sentry-hdfs/sentry-hdfs-service/src/test/java/org/apache/sentry/hdfs/TestImageRetriever.java > 1bdebb13b4cf981f0d69d93574a3ba317d9822ba > > sentry-hdfs/sentry-hdfs-service/src/test/java/org/apache/sentry/hdfs/TestSentryHDFSServiceProcessor.java > 4652dc9e0a35a20780418d8e388595198a8f9ccd > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/persistent/SentryStore.java > 83340342851598caf86f7c9e8e4d79f0e6027b20 > > sentry-provider/sentry-provider-db/src/test/java/org/apache/sentry/provider/db/service/persistent/TestSentryStore.java > 35417b76970b5b101a20c12ba96fdae763681aec > > > Diff: https://reviews.apache.org/r/62112/diff/2/ > > > Testing > ------- > > > Thanks, > > Alexander Kolbasov > >