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slowdown the cpu usage for srs to calc connections when too many connections. 0.9.180

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This commit is contained in:
winlin 2014-08-01 22:43:12 +08:00
parent 6539ce69f4
commit 15d4993cc3
4 changed files with 12 additions and 4 deletions
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10
trunk/src/app/srs_app_utility.cpp
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@ -833,10 +833,18 @@ void srs_update_rtmp_server(int nb_conn, SrsKbps* kbps)
int nb_conn_sys_other = 0;
// @see: http://tester-higkoo.googlecode.com/svn-history/r14/trunk/Tools/iostat/iostat.c
while (fgets(buf, sizeof(buf), f)) {
for (int i = 0; fgets(buf, sizeof(buf), f); i++) {
int st = 0;
int ret = sscanf(buf, "%*s %*s %*s %2x\n", &st);
// there are maybe many many connections,
// for example, when srs used for monitor other process,
// like nginx, there are maybe many TIME_WAIT conections.
// we sleep 1ms when read 1000 records, so 100ms for 10w connections.
if ((i % 1000) == 0) {
st_usleep(1000);
}
if (ret == 1) {
if (st == SYS_TCP_ESTABLISHED) {
nb_conn_sys_established++;