> On Nov. 4, 2016, 10:10 p.m., Alexander Kolbasov wrote: > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/RetryClientInvocationHandler.java, > > line 123 > > <https://reviews.apache.org/r/52526/diff/6/?file=1554520#file1554520line123> > > > > It is possible that two threads call this concurrently, both discover a > > problem, one of them reconnects first and another one will close already > > reconnected client and try to connect it again which isn't good,
a simple solution is to make invokeImpl synchronized - Li ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/52526/#review155003 ----------------------------------------------------------- On Nov. 4, 2016, 6:26 p.m., Li Li wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/52526/ > ----------------------------------------------------------- > > (Updated Nov. 4, 2016, 6:26 p.m.) > > > Review request for sentry, Alexander Kolbasov, Anne Yu, Hao Hao, and Sravya > Tirukkovalur. > > > Repository: sentry > > > Description > ------- > > Since currently non pool model is used for sentry clients, here update retry > logic for non-pool model. For each full retry we will cycle through all > available sentry servers randomly. After each full retry, we will have a > small random sleep. > > > Diffs > ----- > > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/thrift/SentryPolicyServiceClientDefaultImpl.java > 4f42a51b1449fe15f856ba252103e66383e175d7 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/thrift/ThriftUtil.java > 3a96d0b124c00efc99cef256c72c25f5c6168007 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/PoolClientInvocationHandler.java > 730bfec98a78ac11f1fae8ab84f9e6715e802a40 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/RetryClientInvocationHandler.java > PRE-CREATION > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/SentryClientInvocationHandler.java > a41be7fea2c77d0e1f0bbec3e215a33c2cd89417 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/SentryServiceClientFactory.java > b7d2be153576f80aa1c0fd230d29523cf6a047c3 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/ServiceConstants.java > a2499040d77dbeb9925a529063fd6a492dd57cc4 > > sentry-provider/sentry-provider-db/src/test/java/org/apache/sentry/service/thrift/TestPoolClientInvocationHandler.java > 5b0e12bbf12510d8d424aa2b7f51076a913234c5 > > sentry-tests/sentry-tests-hive/src/test/java/org/apache/sentry/tests/e2e/hive/TestPolicyImportExport.java > 3f57a003903961a6aea98bd583a14b65bd2b98a2 > > Diff: https://reviews.apache.org/r/52526/diff/ > > > Testing > ------- > > Tested in my dev with the following cases: > 1. one server is down before client connection > 2. one server is down after client connection and during client request > > > Thanks, > > Li Li > >
