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  1. Jira Software Server and Data Center
  2. JSWSERVER-13211

Slow Kanban response and performance after upgrade to Jira 6.4

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    Description

      NOTE: This bug report is for JIRA Software Server. Using JIRA Software Cloud? See the corresponding bug report.

      Summary

      Jira 6.4 instance is responding slowly in many screens, with some screens showing timeouts.

      Environment

      Large instance with many swimlanes or card colours configured for the Agile Kanban board

      Expected Results

      It works with acceptable performance (20-30 sec).

      Actual Results

      It works slow (> 30 sec).

      Notes

      Cause

      Cause is boards with many swimlanes and card colours.

      For every card colour or swimlane that is defined using JQL, the entire board query is run again, with the additional JQL appended. So if no swimlanes or card colours are defined and the board opens in N seconds, each swimlane or card colour defined is guaranteed to increase the load time by at least another N seconds. Given 5 swimlanes + 2 card colours + the actual board query, this board will take at least 8*N seconds to open.

      2 Problems:

      1. For the customer's instance: "N" is large (lucene is not performant)
      2. We're running a lot of queries each time we display the board.

      Workaround

      Remove swimlanes or card colours from the configuration.
      Please check KB article: Kanban board loading is slow - performance problems

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              Unassigned Unassigned
              mrobertson Matt Robertson
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              Dates

                Created:
                Updated:
                Resolved: