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Docker Swarm を使用した HostOS での CPU 利用率が高い

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Category:
ontap-9
Specialty:
perf
Last Updated:

に適用されます

  • ONTAP 8.2 以降
  • Docker Swarm

問題

  • 高い CPU 値は 1 つ以上のノードで認識されます
  • node -run <node_name> -command top ノードに対してを実行すると vldb 、が「 high 」と表示されます WCPU%

例:

 PID USERNAME    THR PRI NICE   SIZE   RES STATE   C   TIME   WCPU COMMAND
 6685 root      101  47   0   290M   109M uwait   1   ??? 410.99% vldb <-----------
 1709 root      231  66   0  1092M   449M RUN    7   ??? 141.06% mgwd
 1929 root       1   8   -    0K   64K WAIT   3 1141.4  8.79% NwkThd_04
 3308 root       1  12   -    0K   64K RUN    0 366.6H  8.69% wafl_exempt00
 1927 root       1   8   -    0K   64K WAIT   3 1142.8  8.64% NwkThd_02
 3312 root       1  12   -    0K   64K RUN    0 366.6H  8.54% wafl_exempt04
 3310 root       1  12   -    0K   64K RUN    1 366.7H  8.50% wafl_exempt02

 

  • system node run -node <node_name> rdfile /etc/log/mlog/mgwd.log 次のようなエントリが含まれます。 aaa.bbb.ccc.ddd は、 1 つ以上の Docker Swarm サーバに属する IP アドレスです

例:

 

 Tue Jul 14 2020 13:28:30 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-get-iter :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:31 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-get-iter :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:31 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-size :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:31 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-get-iter :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:31 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-size :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:32 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-get-iter :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled Tue Jul 14 2020 13:28:32 +02:00 [kern_mgwd:info:1709] ontapi :: aaa.bbb.ccc.ddd :: docker :: volume-size :: This request exceeds the configured session limit (10) for your Vserver ("<VSERVER_NAME>"). :: Throttled

 

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