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  1. Couchbase Server
  2. MB-10664

beam.smp high cpu usage

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Details

    • Bug
    • Resolution: Incomplete
    • Major
    • bug-backlog
    • 2.5.0
    • XDCR
    • Security Level: Public
    • ubuntu 12.04.4 LTS x86_64
      Dell R610 / 16 core (2x E5630 @ 2.53GHz), 32 Go memory
      2 nodes, 1bucket per node with XDCR replication between 2 nodes
    • Untriaged
    • Ubuntu 64-bit
    • Yes

    Description

      Fresh OS install, fresh couch base install
      1 couch base bucket per node and XDCR replication between the 2 nodes
      Activity between 300 and 500 ops/s
      Large cpu activity from beam.smp :

      top - 17:56:25 up 6:54, 1 user, load average: 3.55, 2.86, 2.64
      Tasks: 173 total, 1 running, 172 sleeping, 0 stopped, 0 zombie
      Cpu(s): 17.1%us, 3.1%sy, 0.0%ni, 79.5%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
      Mem: 32934960k total, 4090148k used, 28844812k free, 76644k buffers
      Swap: 8384508k total, 0k used, 8384508k free, 1988108k cached

      PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
      18404 couchbas 20 0 3370m 1.3g 37m S 235 4.0 297:58.65 beam.smp
      18481 couchbas 20 0 446m 152m 3308 S 75 0.5 97:20.42 memcached
      18482 couchbas 20 0 415m 4336 1756 S 4 0.0 5:33.52 moxi
      18490 couchbas 20 0 6512 728 592 S 1 0.0 0:57.27 sigar_port

      should it be ?

      I have the same setup with couch base 2.2 and some old dell with half cpu's and they consume the half cpu load.

      Attachments

        1. couchbase-cpu.png
          23 kB
          Claude Brassel
        2. couchbase-load.png
          27 kB
          Claude Brassel
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            alkondratenko Aleksey Kondratenko (Inactive)
            cbrassel Claude Brassel
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            Dates

              Created:
              Updated:
              Resolved:

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