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  1. Jenkins
  2. JENKINS-20550

download artifacts is very slow

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      Description

      download artifacts time takes very long time ..., in 1.537 I found the issue. it works fine in 1.529.

      1 GB artifact that download in ~10 minutes in 1.529 takes 2-3 hours in 1.537

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          is blocking

          Bug - A problem which impairs or prevents the functions of the product. JENKINS-18836 java.io.IOException: Unexpected termination of the channel

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. JENKINS-22297 ssh-slave connection seems to have performance issues

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JENKINS-22320 High CPU consumption because of SSH communication

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

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            ashevtsov Andrey Shevtsov added a comment -

            FYI. I had the same issue on my Jenkins instance, both 1.609 and 1.638 (running on Ubuntu 12) with HTTPS/SSL in Jenkins.
            Once I've reconfigured Jenkins to run behind Apache, moved SSL to Apache and removed it from Jenkins configuration, download speed increased by 20+ times on huge files.
            Hope this helps.

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            ashevtsov Andrey Shevtsov added a comment - FYI. I had the same issue on my Jenkins instance, both 1.609 and 1.638 (running on Ubuntu 12) with HTTPS/SSL in Jenkins. Once I've reconfigured Jenkins to run behind Apache, moved SSL to Apache and removed it from Jenkins configuration, download speed increased by 20+ times on huge files. Hope this helps.
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            kohsuke Kohsuke Kawaguchi added a comment -

            A relevant conversation in the dev list

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            kohsuke Kohsuke Kawaguchi added a comment - A relevant conversation in the dev list
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            stephenconnolly Stephen Connolly added a comment -

            It would be good if you could put enough logging on the SSH server side to see if there is a different cipher being used with the newer lib

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            stephenconnolly Stephen Connolly added a comment - It would be good if you could put enough logging on the SSH server side to see if there is a different cipher being used with the newer lib
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            dennys Dennys Hsieh added a comment -

            In my environment, when I downgrade trilead-ssh2-build217-jenkins-3.jar to trilead-ssh2-build214-jenkins-3.jar, it's faster than before.

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            dennys Dennys Hsieh added a comment - In my environment, when I downgrade trilead-ssh2-build217-jenkins-3.jar to trilead-ssh2-build214-jenkins-3.jar, it's faster than before.
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            danielbeck Daniel Beck added a comment -

            Any way you could set up a test instance, verify that it works well in that test instance using 1.529, doesn't work well in 1.537, and then try to narrow it down to the one release that caused the issue?

            FWIW there's no SSH involved when you're downloading archived artifacts from Jenkins master.

            Show
            danielbeck Daniel Beck added a comment - Any way you could set up a test instance, verify that it works well in that test instance using 1.529, doesn't work well in 1.537, and then try to narrow it down to the one release that caused the issue? FWIW there's no SSH involved when you're downloading archived artifacts from Jenkins master.
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              Assignee:
              Unassigned Unassigned
              Reporter:
              morlajb1 mor lajb
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                Created:
                Updated: