Buffer and Connection bloat in TNonBlockingServer
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Key: THRIFT-357
URL: https://issues.apache.org/jira/browse/THRIFT-357
Project: Thrift
Issue Type: Improvement
Components: Library (C++)
Reporter: Anthony Giardullo
Priority: Minor
This patch helps to reduce the amount of memory allocated by
TNonBlockingServer. It uses a configurable limit on the number of idle
connections to keep around, and has a configurable limit on the amount of
memory to keep allocated in the readBuffer when the connection is closed. This
fix is in use at Facebook and has significantly reduced the amount of memory
used by Scribe (https://sourceforge.net/projects/scribeserver/).
See THRIFT-265 for another memory usage fix which reallocates input/output
buffers every 512 reads/writes. THRIFT-265(and THRIFT-354) and this patch can
be used together to tune the amount of memory used. The buffer_limit patch is
especially useful for the case when there are many idle TConnections with large
buffers allocated.
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