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authorStefan Metzmacher <metze@samba.org>2009-04-02 10:36:03 +0200
committerStefan Metzmacher <metze@samba.org>2009-04-02 21:54:00 +0200
commitc59ee5a139421762adb6f3f4bbfc21723c2ce407 (patch)
tree5a10b23bf766bc5a654a2ce6f66a01fe232b35ca /selftest
parent85742dbc0651a3413e90afa18023cd55ae72e6db (diff)
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tsocket: optimize tdgram_bsd a lot
The desire is to do as less syscalls during the tdgram_sendto_send/recv() and tdgram_recvfrom_send/recv() operations. 1. we first try the sendto()/recvfrom() syscall and only use a fd event if we got EAGAIN. 2. we cache the fd event and only change it's flags if really needed. For the highload case we do almost no epoll_ctl() and epoll_wait()/select() syscalls anymore. This speeds up the LDAP-BENCH-CLDAP test by more than 20%. (With a modified version of this test which let the server skip any ldb calls and just return success I'm getting about 8000 requests per second, while I'm getting just about 6000 requests per second without optimization) metze
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