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(Updated April 14, 2015, 8:13 a.m.) Review request for sentry, Lenni Kuff, Prasad Mujumdar, and Yibing Shi. Changes ------- * Minor refactoring * Incorporating review feedback Repository: sentry Description ------- SENTRY-696 : Improve MetastorePlugin cache initialization latency This path introduces the following changes : 1) Exposes a config variable to allow cache initialization to happen asynchronously (by default false) 2) The Cache initialization itself will now be performed in parallel - It introduces a separate thread pool and attempts to extract DB/Table/Partition information as separate threadpool tasks Diffs (updated) ----- sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ServiceConstants.java 489d165 sentry-hdfs/sentry-hdfs-namenode-plugin/pom.xml f35baf4 sentry-hdfs/sentry-hdfs-service/pom.xml 4d65edf sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/MetastoreCacheInitializer.java PRE-CREATION sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/MetastorePlugin.java 7106e74 sentry-hdfs/sentry-hdfs-service/src/main/java/org/apache/sentry/hdfs/MetastorePluginWithHA.java ee5e0f9 sentry-hdfs/sentry-hdfs-service/src/test/java/org/apache/sentry/hdfs/TestMetastoreCacheInitializer.java PRE-CREATION Diff: https://reviews.apache.org/r/33134/diff/ Testing ------- Thanks, Arun Suresh
