Slow job page loading in case of huge amounts of builds (due to new pager)

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      Hi,

      Jenkins opens job page very slow in case if job has huge amount of builds:
      https://jenkins.myserver/job/super-important-job/

      For our case if the job has ~5000 builds Jenkins opens it for ~2 minutes.
      It happens since the moment of new/nice pager added to builds history.
      JFYI, we display default amount of builds on the job page: 30 builds.

      NOTE: we are using NFS mounted storage as jenkins home.
      So it is slower as normal drive for sure, while we had no such problems
      with previous versions of Jenkins.

      Also:

      • I do not see a huge IO load while Jenkins is opening the job page.
      • As soon as page has been loaded the first time, the next time it opens in a second.

      Also, I do not have any debug information to trace it down,
      while creating a ticket as promising on Jenkins at Linuxwochen in Vienna last Friday.

      Tnx!

            Assignee:
            Unassigned
            Reporter:
            Alex Lutay
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: