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https://issues.apache.org/jira/browse/THRIFT-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James E. King, III resolved THRIFT-3854.
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Resolution: Fixed
Assignee: James E. King, III
Fix Version/s: 0.11.0
> allow users to clear read buffers
> ---------------------------------
>
> Key: THRIFT-3854
> URL: https://issues.apache.org/jira/browse/THRIFT-3854
> Project: Thrift
> Issue Type: Improvement
> Components: Java - Library
> Reporter: Chris Lockfort
> Assignee: James E. King, III
> Priority: Minor
> Fix For: 0.11.0
>
> Attachments: thrift-3854-clearable-read-buffers.patch
>
>
> My use case (which I believe many others would share):
> - I have a large number of Thrift connections in a connection pool
> - Upon return of the used connection to the pool I would like to eagerly
> clean up the read buffer because I know it will not be used again until the
> connection is checked out and a new read puts a new buffer in its place.
> - Eagerly clearing the read buffers of idle connections saves a considerable
> amount of heap memory in my application, vs. having all of the idle
> connections keep all of their read buffers allocated.
> - Currently, it looks like someone thought about this and there is a
> TMemoryInputTransport#clear() , but it isn't callable from people with a
> TFramedTransport which uses a TMemoryInputTransport for its read buffer
> (unless you count doing gross and brittle reflection magic).
> I've included a patch, but I'm very flexible / open to opinions of how
> someone more familiar to this project would want to implement a feature like
> this.
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