> On Aug. 30, 2017, 5:36 p.m., Alexander Kolbasov wrote: > > My concern with this change is that we will delay normal client failover by > > 3 seconds. Can we initially retry without delay and then delay if it failed? > > Vamsee Yarlagadda wrote: > This will not happen. The actual logic of client trying all the servers > is under SentryTransportPool. Every retry under RetryClientConnectionHandler > attempts connecting to all servers exhaustively (without any delay). So we > don't have to worry about adding delays for quick failover.
Oh, ok. no problem then. - Alexander ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/61983/#review184173 ----------------------------------------------------------- On Aug. 30, 2017, 1:29 a.m., Vamsee Yarlagadda wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/61983/ > ----------------------------------------------------------- > > (Updated Aug. 30, 2017, 1:29 a.m.) > > > Review request for sentry, Alexander Kolbasov, Arjun Mishra, kalyan kumar > kalvagadda, and Na Li. > > > Repository: sentry > > > Description > ------- > > Sentry client logic supports retry of connections to server. But it should be > complemented with sufficient retry interval otherwise they fail fast without > trying for a decent time. > > > Diffs > ----- > > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/transport/RetryClientInvocationHandler.java > d400f8999d74cbc66c19a739a05d10a201635c5b > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/transport/SentryClientTransportConfigInterface.java > 9fd401316f5184a80d737c463e03291bdebb2287 > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/transport/SentryClientTransportConstants.java > 358d2824b7ce55a89945d321bf1a27fdbdd71e62 > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/transport/SentryHDFSClientTransportConfig.java > 1724e7f9610e1e65cc24bd690d73530f6fb14049 > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/transport/SentryPolicyClientTransportConfig.java > 45522df0d5803f525c29bfa9b06fde9e3c7e5939 > > > Diff: https://reviews.apache.org/r/61983/diff/1/ > > > Testing > ------- > > Sentry unit test run in progress. > > > Thanks, > > Vamsee Yarlagadda > >
