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authorDaniel Stenberg <daniel@haxx.se>2018-03-13 16:13:56 +0100
committerDaniel Stenberg <daniel@haxx.se>2018-03-16 23:45:59 +0100
commit7f9ce0851a194dc725603993707342b7e158174e (patch)
tree7cdf08ad9f30631db8b263944366a3d2243b6ea4 /docs/libcurl/curl_multi_cleanup.3
parent2404aa080e1cc62634b44091f58737d2c618e361 (diff)
multi: improved pending transfers handling => improved performance
When a transfer is requested to get done and it is put in the pending queue when limited by number of connections, total or per-host, libcurl would previously very aggressively retry *ALL* pending transfers to get them transferring. That was very time consuming. By reducing the aggressiveness in how pending are being retried, we waste MUCH less time on putting transfers back into pending again. Some test cases got a factor 30(!) speed improvement with this change. Reported-by: Cyril B Fixes #2369 Closes #2383
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