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ONTAP 9.7 の MGWD のホストドメインで CPU 使用率が高くなっています

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ontap-9
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perf<a>Perf</a><a>ONTAP 9.7</a><a>MGWD</a><a>ホストドメイン使用率</a>
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環境

  • ONTAP 9.7 - 9.7P7
  • インタークラスタLIF
  • MGWD
  • HostOS CPUドメイン

問題

  • ONTAP 9.7 におけるホストドメインが原因で CPU 利用率が増加します

例: sysstat -MHost ドメインアクティビティの多い出力(読み取り可能性のために一部の列が削除された状態)。

Cluster::> set diag -c off; node run -node Cluster1-01 sysstat -M 1 ANY1+ ANY2+ ANY3+ ANY4+ AVG CPU0 CPU1 CPU2 CPU3 Host 100% 52% 33% 18% 51% 61% 54% 46% 42% 179% 100% 60% 38% 21% 55% 63% 58% 51% 48% 179% 100% 59% 39% 22% 55% 63% 58% 52% 48% 175% 100% 61% 40% 23% 56% 63% 58% 54% 49% 181% 100% 58% 38% 21% 54% 63% 55% 51% 48% 177% 100% 55% 35% 20% 53% 62% 54% 50% 44% 180% 100% 54% 33% 18% 51% 61% 53% 49% 44% 179% 100% 46% 29% 14% 47% 59% 51% 42% 37% 179% 100% 50% 31% 16% 49% 61% 49% 48% 39% 176% 100% 47% 29% 14% 48% 58% 50% 45% 38% 179% 100% 43% 28% 13% 46% 56% 50% 40% 39% 174% 100% 60% 37% 20% 54% 62% 56% 51% 48% 179% 
  • ssl_type:1 のキーワードを使用した多くのログメッセージ mgwd.log
 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83cd63500) setup_transport() returned sock:192 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x825b01100) setup_transport() returned sock:354 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83cd63500) setup_transport() returned sock:252 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x825b01100) setup_transport() returned sock:246 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x82e327200) setup_transport() returned sock:297 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83989b300) setup_transport() returned sock:197 stat:0 ssl_type:1 

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