[Users] Hornet Queue (jboss) vs sever resource shortage

[Dariush Pietrzak]

On Thu, 22 Mar 2012, Andrew Vagin wrote:

> Which kernel do you use?
042stab049.6

> Could you show content of /proc/bc/CTID/resources?

 Well, yes and no, I can't do anything on HN,
but I can show you  cat /proc/user_beancounters:
(this is from the guest that caused all that resource shortage)
Version: 2.5
       uid  resource                     held              maxheld              barrier                limit              failcnt
   178032:  kmemsize                 34481819             36954112          17179869184          19327352832                    0
            lockedpages                     0                    0  9223372036854775807  9223372036854775807                    0
            privvmpages               3360282              5017649              4194304              4718592                    0
            shmpages                     5451                 5467  9223372036854775807  9223372036854775807                    0
            dummy                           0                    0                    0                    0                    0
            numproc                       505                  693  9223372036854775807  9223372036854775807                    0
            physpages                  766009               942952                    0              3932160                    0
            vmguarpages                     0                    0  9223372036854775807  9223372036854775807                    0
            oomguarpages               620184               772457  9223372036854775807  9223372036854775807                    0
            numtcpsock                    120                  214  9223372036854775807  9223372036854775807                    0
            numflock                       10                   13  9223372036854775807  9223372036854775807                    0
            numpty                         12                   12  9223372036854775807  9223372036854775807                    0
            numsiginfo                      0                   45  9223372036854775807  9223372036854775807                    0
            tcpsndbuf                 2498464              3850016          17179869184          19327352832                    0
            tcprcvbuf                 2499360              6331520          17179869184          19327352832                    0
            othersockbuf                 9344                35296  9223372036854775807  9223372036854775807                    0
            dgramrcvbuf                     0                 8768  9223372036854775807  9223372036854775807                    0
            numothersock                   72                   76  9223372036854775807  9223372036854775807                    0
            dcachesize               10880246             11060512          17179869184          19327352832                    0
            numfile                      1488                 1660  9223372036854775807  9223372036854775807                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            numiptent                      10                   10  9223372036854775807  9223372036854775807                    0

(as you can see I tried limiting some of the resources, when it
was first noticed, everything was unlimited:unlimited
except physpages which is at 16G, and swap which was set to 0.)
 When the hornetq is stopped inside container, HN returns back to life,
but untill then, even things like bash completion fails with:

xmalloc: ../bash/make_cmd.c:100: cannot allocate 519 bytes (2076672 bytes allocated)

regards, Eyck
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