Oct, 1st (UTC+9) Access Trouble Occurred on Part of Business Plan (Recovered)

こThis problem has been recovered already.

Some of the customers of Questetra BPM Suite SaaS Edition could not login the service during the period of between 18:03 and 18:26 on the 1st of October, for the occurrence of access trouble. We deeply apologize to the customers for your inconvenience.

Trouble Date

  • Occurred: 2019-10-01 18:03 [UTC +9:00]
    • 2019-10-01 09:03 [UTC]
  • Recovered: 2019-10-01 18:26 [UTC +9:00] (23m)
    • 2019-10-01 09:26

What Occurred

In the environment of a specific customer using the Business Plan (paid version), a situation where the load was higher than normal was detected around 10:53 on the day. Errors occurred in some requests (less than 1%) since around 15:00, and “Questetra BPM Suite” became not usable at all around 18:03.

Cause of Trouble

Performance degradation due to application server memory pressure


Recovery by restarting the application server. At the same time, changed the memory allocation.

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