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  1. Couchbase Server
  2. MB-43786

High cpu usage in idle cluster after creating 1000 collections

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Details

    • Bug
    • Resolution: Fixed
    • Critical
    • 7.0.0
    • Cheshire-Cat
    • UI
    • Centos 7.6
    • Untriaged
    • Centos 64-bit
    • 1
    • Unknown

    Description

      Install Couchbase server 7.0.0-4264 on a centos server 7.6

      Initial node with kv,index,n1ql,fts,eventing services

      Create default bucket.

      Create 2 scopes with 500 collections on each scope.

      After creating, cpu usage does go up around 30% with no load (idle cluser)

      I will upload log soon

      Attachments

        1. 172.23.121.224-20210120-1108-diag.zip
          44.08 MB
        2. 172.23.121.224-20210224-1121-diag.zip
          43.03 MB
        3. 172.23.121.224-20210225-1557-diag.zip
          42.50 MB
        4. 172.23.121.224-20210225-1642-diag.zip
          43.13 MB
        5. high_cpu_collection.zip
          51.20 MB
        6. highcpu.pcap
          16.82 MB
        7. image-2021-01-20-20-44-40-507.png
          image-2021-01-20-20-44-40-507.png
          198 kB
        8. lowcpu.pcap
          2.01 MB
        9. screenshot-1.png
          screenshot-1.png
          51 kB
        10. screenshot-2.png
          screenshot-2.png
          57 kB
        11. screenshot-3.png
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        12. screenshot-4.png
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        13. screenshot-5.png
          screenshot-5.png
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        14. screenshot-6.png
          screenshot-6.png
          49 kB
        15. screenshot-7.png
          screenshot-7.png
          71 kB
        16. screenshot-8.png
          screenshot-8.png
          59 kB
        17. ss 2021-01-20 at 12.25.40 PM.png
          ss 2021-01-20 at 12.25.40 PM.png
          303 kB
        18. ss 2021-05-02 at 11.11.30 PM.png
          ss 2021-05-02 at 11.11.30 PM.png
          305 kB
        19. tcpdump_high_cpu_collection.pcap.zip
          19.56 MB

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MB-42320 CC: Very high CPU usage while under low load

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-43407 cbworkloadgen should return an error if collection does not exist

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
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          Activity

            People

              thuan Thuan Nguyen
              thuan Thuan Nguyen
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There are no open Gerrit changes

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