inefficient buffer management, inefficient gc, in NIOServer request handling
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Key: ZOOKEEPER-561
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-561
Project: Zookeeper
Issue Type: Improvement
Components: server
Reporter: Patrick Hunt
Fix For: 3.3.0
for every request we allocate a buffer to read the body. in most cases the
request (say for get) will be very small, but we
always allocate a new buffer to store the request.
There should be a way to improve the buffer handling here. In particular it
seems that if we have a buffer of reasonable
length (1k) preallocated we could use this to service all requests <= 1k and
only allocate when requests are larger. seems
like this would handle a large fraction of the requests we typically see
(except for large sets for example)
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