Re: Application hangs when waiting for RackRewindableInput

[Steve Robinson <steve.robinson@spritle.com>]

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Hi Gennady,

I had the same issue today and the problem for me was that the disk was 
full. Once I cleared some space the server worked fine.

Also make sure the /tmp directory has the right permissions.

Thanks! :)

On Tuesday, December 8, 2009 at 6:12:52 PM UTC+5:30, Gennady Chertanov 
wrote:
>
> Hi. 
>
> A week ago i migrated my Rails app to Rails 2.3.4 (from 2.2.2). And i 
> am using passenger 2.2.7 that spawns my app as a Rails app. 
>
> I faced one problem - my app hangs two or three times a day. I straced 
> hanged instances and founded, that they doing select call at some 
> descriptor. Then i discovered in lsof that descriptor is 
> RackRewindableInput. See what strace shows for this descriptor: 
>
> ruby    16632 deployuser   10u   REG                8,1         35 
> 1924608 (deleted) /tmp/RackRewindableInput20091207-16632-4uu3i-0 
>
> It never lies - /tmp/RackRewindableInput20091207-16632-4uu3i-0 dont 
> exists. 
>
> When application runs normally, there are no RackRewindableInput files 
> at /tmp. 
>
> Why application want to access this file and what can i do to avoid 
> this problem? 
>
> Thank you. 
>

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