lots of connections on TIME_WAIT state
Jérôme Loyet
jerome at loyet.net
Tue Apr 7 19:07:50 MSD 2009
TIME_WAIT is a specific state for tcp connection. When a TCP
connection has been closed, the system keep it in the state TIME_WAIT
for a constant time (which depends on the OS). This is done to prevent
packet collision. This is the short version. (more explication here:
http://tangentsoft.net/wskfaq/articles/debugging-tcp.html or google)
So i you have a lot of connection per/s and thoses connections are
short (in time), this is normal to have a lot of TIME_WAIT.
You maybe can reduce this timeout, check this specific for your OS.
++ jerome
2009/4/7 Deepan Chakravarthy <codeshepherd at gmail.com>:
> Hi,
> I am using nginx with fast-cgi . When I run
> $netstat -np | grep 127.0.0.1:9000
> I find lot of connections in TIME_WAIT state. Is this because of high
> keepalive_timeout value ? When lot of people use (5 requests per second)
> nginx takes more time to respond. System load goes more than 10 during
> peak hours.
> nginx.conf has the following settings.
> worker_processes 5;
> worker_connections 1024;
> keepalive_timeout 3;
>
> $ps aux | grep php shows 21 php-cgi process running.
> $netstat -np | grep 127.0.0.1:9000 shows 281 connections.
>
> Below are the exact outputs for both.
> Thanks
> Deepan
>
>
>
>
> debian:~# netstat -np | grep 127.0.0.1:9000
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45603
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45601
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45089
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45600
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45605
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45093
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45604
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45348
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45092
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45099
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45611
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45354
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45609
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45097
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45103
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45359
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45613
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45356
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45107
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45363
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45618
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45105
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45616
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45623
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45109
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45365
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45620
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45108
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45115
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45371
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45627
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45370
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45624
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45112
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45119
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45374
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45630
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45629
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45117
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45628
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45372
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45571
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45570
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45569
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45063
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45575
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45318
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45062
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45323
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45579
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45322
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45578
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45320
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45327
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45583
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45581
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45069
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45325
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45587
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45074
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45074
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45585
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45328
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45334
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45078
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45590
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45589
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45082
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45594
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45593
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45343
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45342
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45086
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45597
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45084
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45410
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45154
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45409
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45664
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45408
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45152
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45415
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45671
> ESTABLISHED29504/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45414
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45158
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45670
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45668
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45419
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45673
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45417
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45422
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45420
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45164
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45171
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45427
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45170
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45425
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45680
> ESTABLISHED29452/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45430
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45685
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45173
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45429
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45684
> ESTABLISHED29465/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45435
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45691
> ESTABLISHED29456/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45434
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45178
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45688
> ESTABLISHED29463/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45432
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45176
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45439
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45438
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45693
> ESTABLISHED29438/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45123
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45376
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45120
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45127
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45383
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45637
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45131
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45643
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45642
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45640
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45391
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45389
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45132
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45139
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45394
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45650
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45393
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45399
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45142
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45653
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45141
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45397
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45402
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45146
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45658
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45656
> ESTABLISHED29489/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45400
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45406
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45150
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45405
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45660
> ESTABLISHED29468/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45219
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45475
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45472
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45478
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45222
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45733
> ESTABLISHED-
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45477
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45483
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45225
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45481
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45486
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45229
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45484
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45228
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45490
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45234
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45488
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45239
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45493
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45492
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45236
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45499
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45242
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45497
> TIME_WAIT -
> tcp 0 0 127.0.0.1:45733 127.0.0.1:9000
> ESTABLISHED-
> tcp 0 0 127.0.0.1:45726 127.0.0.1:9000
> ESTABLISHED-
> tcp 0 0 127.0.0.1:45713 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45714 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45716 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45719 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45705 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45707 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45710 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45698 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45701 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45688 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45691 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45693 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45680 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45684 127.0.0.1:9000
> ESTABLISHED711/nginx: worker p
> tcp 0 0 127.0.0.1:45671 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45656 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:45660 127.0.0.1:9000
> ESTABLISHED710/nginx: worker p
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45496
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45503
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45502
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45246
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45244
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45187
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45186
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45698
> ESTABLISHED29455/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45696
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45440
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45184
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45446
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45701
> ESTABLISHED29484/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45444
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45707
> ESTABLISHED29499/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45450
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45705
> ESTABLISHED29486/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45193
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45448
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45199
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45710
> ESTABLISHED29464/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45453
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45452
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45458
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45202
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45714
> ESTABLISHED29500/php-cgi
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45713
> ESTABLISHED29458/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45457
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45456
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45719
> ESTABLISHED29457/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45462
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45206
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45205
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45716
> ESTABLISHED29485/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45466
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45210
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45464
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45215
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45471
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45214
> TIME_WAIT -
> tcp 8 0 127.0.0.1:9000 127.0.0.1:45726
> ESTABLISHED29469/php-cgi
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45468
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45538
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45282
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45536
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45543
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45285
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45541
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45547
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45289
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45032
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45544
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45288
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45551
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45549
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45298
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45297
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45553
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45552
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45296
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45558
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45301
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45556
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45563
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45049
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45560
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45567
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45567
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45055
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45309
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45053
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45564
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45308
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45251
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45506
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45248
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45511
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45510
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45254
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45508
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45259
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45515
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45257
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45513
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45519
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45518
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45262
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45516
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45523
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45266
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45265
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45520
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45527
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45526
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45269
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45268
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45275
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45531
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45274
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45272
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45534
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45278
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45533
> TIME_WAIT -
> tcp 0 0 127.0.0.1:9000 127.0.0.1:45276
> TIME_WAIT -
>
>
> $ ps aux | grep php
> www-data 723 0.0 0.6 47792 6448 ? Ss Apr06 0:00
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29438 4.0 0.8 50852 9088 ? S 01:19 32:18
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29452 3.9 0.6 48776 7256 ? S 01:24 31:32
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29455 3.9 0.6 48772 7252 ? S 01:25 31:48
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29456 4.0 0.6 48776 7228 ? S 01:25 32:05
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29457 4.1 0.6 48772 7224 ? S 01:26 32:51
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29458 4.1 0.6 48780 7232 ? S 01:28 32:33
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29463 4.1 0.6 48772 7224 ? S 01:33 32:47
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29464 3.9 0.6 48772 7252 ? S 01:34 31:20
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29465 4.1 0.6 48772 7224 ? S 01:34 32:52
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29468 4.2 0.6 48772 7224 ? S 01:36 33:28
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29469 4.2 0.6 48776 7240 ? S 01:37 33:09
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29484 4.1 0.6 48776 7236 ? S 01:40 32:10
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29485 3.9 0.6 48772 7224 ? S 01:41 31:05
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29486 4.1 1.6 58632 16856 ? R 01:41 32:32
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29489 4.1 0.6 48772 7220 ? S 01:43 32:11
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29499 4.0 0.6 48764 7216 ? S 01:45 31:18
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29500 4.0 0.6 48772 7252 ? S 01:45 31:48
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29501 4.1 1.3 55760 13964 ? R 01:45 32:16
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29504 4.0 0.6 48780 7228 ? S 01:50 31:10
> /usr/bin/php-cgi -q -b localhost:9000
> www-data 29505 4.0 0.6 48776 7240 ? S 01:51 31:26
> /usr/bin/php-cgi -q -b localhost:9000
>
>
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