Todd Lipcon has posted comments on this change. ( http://gerrit.cloudera.org:8080/13664 )
Change subject: IMPALA-7534. Handle invalidation races in CatalogdMetaProvider ...................................................................... Patch Set 2: (4 comments) http://gerrit.cloudera.org:8080/#/c/13664/2/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java File fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java: http://gerrit.cloudera.org:8080/#/c/13664/2/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java@427 PS2, Line 427: private <CacheKeyType, ValueType> ValueType loadWithCaching(String itemString, > I think this could use a method comment since the logic is non-trivial (pro Ack http://gerrit.cloudera.org:8080/#/c/13664/2/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java@435 PS2, Line 435: Object inCache = cache_.get(key, () -> f); > Just for my understanding, here we are relying on the inherent thread-safet yea, will add a comment http://gerrit.cloudera.org:8080/#/c/13664/2/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java@573 PS2, Line 573: Uninterruptibles.sleepUninterruptibly(10, TimeUnit.MILLISECONDS); > Remove? woops! http://gerrit.cloudera.org:8080/#/c/13664/2/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java@687 PS2, Line 687: RuntimeException > Does this mean the query is not eventually retried? Do you know if we ever interrupt threads? Otherwise I don't think this introduces any actual possibility for an exception. -- To view, visit http://gerrit.cloudera.org:8080/13664 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I70f377db88e204825a909389f28dc3451815235c Gerrit-Change-Number: 13664 Gerrit-PatchSet: 2 Gerrit-Owner: Todd Lipcon <t...@apache.org> Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Reviewer: Todd Lipcon <t...@apache.org> Gerrit-Reviewer: Vihang Karajgaonkar <vih...@cloudera.com> Gerrit-Comment-Date: Tue, 18 Jun 2019 19:21:32 +0000 Gerrit-HasComments: Yes
