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https://issues.apache.org/jira/browse/THRIFT-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221294#comment-15221294
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Harsh J commented on THRIFT-2268:
---------------------------------
(Specifically, the committed version of the fix here doesn't do quite the same
thing as the original patch intended, due to the TTransportException
inheritance:
https://github.com/apache/thrift/commit/607355e1deba2072c262f91e8e3554e2e552a20a)
> Modify TSaslTransport to ignore TCP health checks from loadbalancers
> --------------------------------------------------------------------
>
> Key: THRIFT-2268
> URL: https://issues.apache.org/jira/browse/THRIFT-2268
> Project: Thrift
> Issue Type: Improvement
> Components: Java - Compiler
> Affects Versions: 0.9
> Reporter: Thiruvel Thirumoolan
> Assignee: Jake Farrell
> Priority: Minor
> Fix For: 0.9.2
>
> Attachments: THRIFT-2268.patch
>
>
> Thrift Server with TSaslTransport throws TTransportExceptions when deployed
> behind a hardware load balancer.
> We have deployed thrift servers HiveServer2 and HCatalog (both Apache Hive
> components) behind hardware load balancers. The load balancer does a TCP
> health check on the port where the thrift server (HiveServer2/HCatalog) is
> running. Some of the load balancers complete the TCP handshake and then close
> the connection without any data and therefore thrift has to handle it this
> connection. Because the TCP health check happens very frequently - about
> 10-20 times a minute, the logs are filled with TTransportExceptions. The
> current logic assumes a valid header and if its not present (TCP health
> check), then it keeps throwing exceptions.
> This JIRA attempts to ignore these which does not have a valid header.
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