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https://issues.apache.org/jira/browse/TS-3931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14976482#comment-14976482
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Leif Hedstrom commented on TS-3931:
-----------------------------------
I'm unable to reproduce this, I've tried a lot of different scenarios. E.g.
tinkerballa (08:15) 257/0 $ http_load -ignore_bytes -parallel 100 -seconds 30
/tmp/foo.url
87711 fetches on 87711 conns, 1 max parallel, 3.48126e+09 bytes, in 30 seconds
So, 87,000 stats_over_http requests, during the run I see
{code}
loki (08:21) 74/0 $ ss -s
Total: 658 (kernel 0)
TCP: 132 (estab 104, closed 7, orphaned 1, synrecv 0, timewait 7/0), ports 0
{code}
and after the run is finished
{code}
loki (08:33) 76/0 $ ss -s
Total: 561 (kernel 0)
TCP: 27 (estab 9, closed 0, orphaned 0, synrecv 0, timewait 0/0), ports 0
{code}
> Trafficserver DOS w/ Stats over HTTP Plugin
> -------------------------------------------
>
> Key: TS-3931
> URL: https://issues.apache.org/jira/browse/TS-3931
> Project: Traffic Server
> Issue Type: Bug
> Components: Plugins
> Affects Versions: 5.3.1
> Reporter: zxcvbn4038
> Labels: yahoo
> Fix For: 6.1.0
>
>
> Reproducible w/ trafficserver 5.3.1 and Stats over HTTP Plugin plugin.
> 1) Add to plugin.config:stats_over_http.so
> bf71886a308c1cf70cf05b6c5efbdd626a1156cc
> 2) Restart traffic server
> 3) Load this URL (yes, its the wrong URL): http://server_ip:port/_stats
> Within 15 minutes the server will have consumed ~1.5K connections, trying to
> load this URL. Connections will continue to be consumed until
> proxy.config.net.connections_throttle limit is reached, at which point
> trafficeserver will not service any additional requests. At this point the
> only resolution is to do stop/start of trafficserver.
>
>
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