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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2022/01/12 20:32:08 UTC
[GitHub] [pinot] jonathanl-telenav opened a new issue #8007: Performance: HTTP connection pooling could be used to reduce client latency
jonathanl-telenav opened a new issue #8007:
URL: https://github.com/apache/pinot/issues/8007
The time to set up and tear down HTTP broker connections to execute queries has a negative impact on query latency. A simple connection pool could keep established connections alive for reuse. See c3p0 and dbcp for some details on connection pooling. This optimization should have no effect on threading or transactions. It's just a way of reusing a live connection instead of opening a new connection for each query from the client. The client and the broker would both need to be changed to make this work, as neither should close pooled connections that are live until they expire from lack of use.
The discussion in Slack #general on January 12, 2022 gives more details.
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[GitHub] [pinot] Jackie-Jiang closed issue #8007: Performance: HTTP connection pooling could be used to reduce client latency
Posted by GitBox <gi...@apache.org>.
Jackie-Jiang closed issue #8007:
URL: https://github.com/apache/pinot/issues/8007
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[GitHub] [pinot] Jackie-Jiang commented on issue #8007: Performance: HTTP connection pooling could be used to reduce client latency
Posted by GitBox <gi...@apache.org>.
Jackie-Jiang commented on issue #8007:
URL: https://github.com/apache/pinot/issues/8007#issuecomment-1012814934
Which connection are you referring to? The connections between broker and servers are async (non-blocking) and reused for multiple queries. We maintain one connection between each broker and server pair.
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[GitHub] [pinot] jonathanl-telenav commented on issue #8007: Performance: HTTP connection pooling could be used to reduce client latency
Posted by GitBox <gi...@apache.org>.
jonathanl-telenav commented on issue #8007:
URL: https://github.com/apache/pinot/issues/8007#issuecomment-1013144714
Ah, that is the information I was looking for. Thanks @Jackie-Jiang!
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