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Jungwoo Lee edited comment on TS-3028 at 9/3/14 5:41 AM: --------------------------------------------------------- OK, close this issue. On our networks, we can't change ATS 3.2.4 to 5.0x. Because it needs a lot of time and cost. So we have to keep this environment for a some time. Is it OK that I reopen this issue if enough information will be found in the future? was (Author: jungwoo.lee): OK, close this issue. On our networks, we can't change ATS 3.2.4 to 5.0x. Because it needs a lot of time and cost. So we have to keep this environment in a some time. Is it OK that I reopen this issue if enough information will be found in the future? > Some ET_NET threads go to uninterruptable sleep with empty disk I/O > ------------------------------------------------------------------- > > Key: TS-3028 > URL: https://issues.apache.org/jira/browse/TS-3028 > Project: Traffic Server > Issue Type: Bug > Components: Core > Reporter: Jungwoo Lee > Attachments: disk_state.png, process_state.png > > > I use ATS 3.2.4 as a cache server. > Cached contents are a lot of small size files, image, html, xml and etc.. > Sometimes ET_NET threads go to uninterruptable sleep and no disk I/O occurs. > I attach pictures showing the status of threads( by shell command top ) and > those of disk( by shell command iostat 1 ) > And ATS system uses 2TB disk as a cache and 16GB memory. -- This message was sent by Atlassian JIRA (v6.3.4#6332)