What file system do you use for cache? Try using xfs instead ext4. Xfs have better inode storage than ext4.
On Thursday, September 11, 2014, arraisgabriel <[email protected]> wrote: > Thank you very much for the quick response. It looks like that the cache > now stores many small files because of the revalidation feature, and > reached > the inode storage limit. > > > Maxim Dounin Wrote: > ------------------------------------------------------- > > Hello! > > > > On Thu, Sep 11, 2014 at 10:15:43AM -0400, arraisgabriel wrote: > > > > > Hi, recently we noticed that the version 1.7.3 added a feature > > important to > > > our infrastructure: "cache revalidation now uses If-None-Match > > header if > > > possible.". > > > So we changed part of our cache to the 1.7.4 version, but something > > strange > > > started to happen, at certain point of disk usage nginx started to > > return > > > 500 to all requests with this kind of message in the error log: > > > > > > [crit] 12908#0: *7209656 open() "/cache/nginx_tmp/0002938835" failed > > (28: No > > > space left on device) while reading upstream, client: > > xxx.xxx.xxx.xxx, > > > server: , request: "GET http://xxxxxxxx.net/ HTTP/1.1", upstream: > > > "http://xxx.xx.xxx.xxx:80/";, host: "xxxxxxxx.net" > > > > > > It looked like that there wasn't enough space in the temporary cache > > > directory. But running df -h (and after sync && df -h) the result > > was: > > > > > > [user@nginx ~]$ df -h > > > Filesystem Size Used Avail Use% Mounted on > > > /dev/xvda1 7.8G 2.3G 5.4G 30% / > > > devtmpfs 3.7G 20K 3.7G 1% /dev > > > tmpfs 3.7G 0 3.7G 0% /dev/shm > > > /dev/xvdb 40G 12G 27G 31% 24% /cache > > > ---------------------------------------- used for cache > > > > ENOSPC from open() likely means you've run out of inodes, not disk > > space. Try looking into "df -i", it may be helpful. > > > > -- > > Maxim Dounin > > http://nginx.org/ > > > > _______________________________________________ > > nginx mailing list > > [email protected] <javascript:;> > > http://mailman.nginx.org/mailman/listinfo/nginx > > Posted at Nginx Forum: > http://forum.nginx.org/read.php?2,253185,253192#msg-253192 > > _______________________________________________ > nginx mailing list > [email protected] <javascript:;> > http://mailman.nginx.org/mailman/listinfo/nginx > -- Sent from iDewangga Device
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