> On Sept. 28, 2018, 4:56 p.m., Sergio Pena wrote: > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/DBUpdateForwarder.java > > Line 158 (original), 168-172 (patched) > > <https://reviews.apache.org/r/68547/diff/6/?file=2092470#file2092470line168> > > > > I don't think this logic whether use a cache or not should be in this > > clas. The retriever should call the cache instead (or call the SentryStore > > if it needs to invalidate the current cache image).
This is because the logic to invalidate cache is dependent on whether delta updates are being sent or not. Since the decisision to send delta updates is done in DBUpdateForwarder this logic sits in this piece of code - Arjun ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/68547/#review209098 ----------------------------------------------------------- On Sept. 27, 2018, 10:29 p.m., Arjun Mishra wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/68547/ > ----------------------------------------------------------- > > (Updated Sept. 27, 2018, 10:29 p.m.) > > > Review request for sentry, kalyan kumar kalvagadda, Na Li, and Sergio Pena. > > > Bugs: SENTRY-2370 > https://issues.apache.org/jira/browse/SENTRY-2370 > > > Repository: sentry > > > Description > ------- > > When NN requests path updates from sentry and if it exceeds the time > threshold, on consecutive attempts sentry will attempt to fetch the full > update from scratch. Instead it should cache it and update the cache before > sending it to NN > > > Diffs > ----- > > > sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ImageCache.java > PRE-CREATION > > sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ServiceConstants.java > 2d21411e2 > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/DBUpdateForwarder.java > 08b16a4df > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/PathsUpdateImageCache.java > PRE-CREATION > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/PermissionsUpdateImageCache.java > PRE-CREATION > > sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/SentryPlugin.java > b8f5ce7db > > sentry-hdfs/sentry-hdfs-service/src/test/java/org/apache/sentry/hdfs/TestDBUpdateForwarder.java > f86ce6f83 > > > Diff: https://reviews.apache.org/r/68547/diff/6/ > > > Testing > ------- > > > Thanks, > > Arjun Mishra > >
