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Posted to dev@thrift.apache.org by "Mario Emmenlauer (Jira)" <ji...@apache.org> on 2021/09/02 07:00:01 UTC
[jira] [Updated] (THRIFT-5460) TConnection not resetBuffer in
outputTransport when socket write failed
[ https://issues.apache.org/jira/browse/THRIFT-5460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mario Emmenlauer updated THRIFT-5460:
-------------------------------------
Issue Type: Improvement (was: Bug)
> TConnection not resetBuffer in outputTransport when socket write failed
> -----------------------------------------------------------------------
>
> Key: THRIFT-5460
> URL: https://issues.apache.org/jira/browse/THRIFT-5460
> Project: Thrift
> Issue Type: Improvement
> Components: C++ - Library
> Affects Versions: 0.13.0
> Reporter: Qu Pingzhe
> Priority: Minor
> Attachments: oom-activity.png
>
>
> I am not sure if it is a bug. And may affect versions long ago.
> * My Server is cpp.TNonblockingServer
> * Return 100M data in one rpc
> # client send rpc to server
> # server recevie by thread0, then write 100M data to socket
> # client read timeout, then retry and use another socket
> # server recevie by thread1, then write new 100M data to new socket
> # ...
> # every thread has 100M data, then server is killed by OOM
>
> {code:java}
> void TNonblockingServer::TConnection::checkIdleBufferMemLimit(size_t readLimit, size_t writeLimit) {
> if (readLimit > 0 && readBufferSize_ > readLimit) {
> free(readBuffer_);
> readBuffer_ = nullptr;
> readBufferSize_ = 0;
> } if (writeLimit > 0 && largestWriteBufferSize_ > writeLimit) { // this line
> // just start over
> outputTransport_->resetBuffer(static_cast<uint32_t>(server_->getWriteBufferDefaultSize()));
> largestWriteBufferSize_ = 0;
> }
> }{code}
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