# \#sidekiq

**URL:** https://meta.discourse.org/tag/sidekiq/807.md

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## [Sidekiq redis DB index out of range](https://meta.discourse.org/t/sidekiq-redis-db-index-out-of-range/393012)

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**Author:** [@kyfrankie](https://meta.discourse.org/u/kyfrankie)\
**Replies:** 0\
**Last updated:** [January 8, 2026, 9:45pm UTC](https://meta.discourse.org/t/sidekiq-redis-db-index-out-of-range/393012 "2026-01-08T21:45:58Z")

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Installed with an external Redis database (Azure managed Redis) which only provide one single database instance. Sidekiq tried to connect to DB 1 which is not allowed. Is there a way to force all Sidekiq instances to con…

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## [Sidekiq keeps restarting, how to troubleshoot?](https://meta.discourse.org/t/sidekiq-keeps-restarting-how-to-troubleshoot/387346)

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**Author:** [@Padoup-Padoup](https://meta.discourse.org/u/Padoup-Padoup)\
**Replies:** 2\
**Last updated:** [December 6, 2025, 11:55am UTC](https://meta.discourse.org/t/sidekiq-keeps-restarting-how-to-troubleshoot/387346 "2025-12-06T11:55:09Z")

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Hello, We have been running a two-container, multi-domain Discourse server for ~4 yrs and host ~20 domains. We performed regular updates with success. However, we realized at the beginning of October (starting around oc…

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## [Sudden Sidekiq trend change & anomaly](https://meta.discourse.org/t/sudden-sidekiq-trend-change-anomaly/383350)

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**Author:** [@ToddZ](https://meta.discourse.org/u/ToddZ)\
**Replies:** 4\
**Last updated:** [October 18, 2025, 1:28am UTC](https://meta.discourse.org/t/sudden-sidekiq-trend-change-anomaly/383350 "2025-10-18T01:28:48Z")

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Self-hosting on test-passed branch here. Just noticed a couple of suprises in my Sidekiq graph this month: Upon a Discourse update on Sep 3, the history graph jumped from a long-steady average of ~800/day to ~1300/day…

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## [Sidekiq is consuming too much memory (using: 522.12M)..., restarting](https://meta.discourse.org/t/sidekiq-is-consuming-too-much-memory-using-522-12m-restarting/385130)

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**Author:** [@haydenjames](https://meta.discourse.org/u/haydenjames)\
**Replies:** 3\
**Last updated:** [October 15, 2025, 1:12pm UTC](https://meta.discourse.org/t/sidekiq-is-consuming-too-much-memory-using-522-12m-restarting/385130 "2025-10-15T13:12:53Z")

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I see these errors increasingly in logs. Should I raise the Sidekiq RSS limit a bit in /var/discourse/containers/app.yml: env: SIDEKIQ\_MEMORY\_KILLER\_MAX\_RSS: 700 Or is it normal and should be ignored? free -h …

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## [Duplicate registration email issue](https://meta.discourse.org/t/duplicate-registration-email-issue/384953)

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**Author:** [@anoedo](https://meta.discourse.org/u/anoedo)\
**Replies:** 5\
**Last updated:** [October 7, 2025, 9:11pm UTC](https://meta.discourse.org/t/duplicate-registration-email-issue/384953 "2025-10-07T21:11:14Z")

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I have deployed a community using Discourse and configured the email settings with Tencent SMTP. However, I’ve encountered a tricky bug: whenever a new user registers on the forum, my platform keeps sending duplicate reg…

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## [Sidekiq warnings](https://meta.discourse.org/t/sidekiq-warnings/370166)

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**Author:** [@Ethsim2](https://meta.discourse.org/u/Ethsim2)\
**Replies:** 6\
**Last updated:** [July 17, 2025, 1:11pm UTC](https://meta.discourse.org/t/sidekiq-warnings/370166 "2025-07-17T13:11:28Z")

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in a virtual server with 8GB RAM, i don’t suppose sidekiq using slightly more than 500M is an issue? i’m interested whether to add the following line in my app.yml env: UNICORN\_SIDEKIQ\_MEMORY\_KILLER\_MAX\_RSS: 1024…

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## [Is it normal for Sidekiq to be idle? New to Discourse, unsure if something's wrong](https://meta.discourse.org/t/is-it-normal-for-sidekiq-to-be-idle-new-to-discourse-unsure-if-somethings-wrong/370988)

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**Author:** [@Crocodilus\_CZ](https://meta.discourse.org/u/Crocodilus_CZ)\
**Replies:** 8\
**Last updated:** [June 20, 2025, 12:47pm UTC](https://meta.discourse.org/t/is-it-normal-for-sidekiq-to-be-idle-new-to-discourse-unsure-if-somethings-wrong/370988 "2025-06-20T12:47:39Z")

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Hi everyone, I’m pretty new to Discourse (migrated recently from phpBB), and I’ve been trying to wrap my head around how things work here. Some of it makes perfect sense, but other parts are still a bit confusing – like…

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## [Sidekiq got error when sending mail after upgrade to latest version](https://meta.discourse.org/t/sidekiq-got-error-when-sending-mail-after-upgrade-to-latest-version/353971)

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**Author:** [@the220hq](https://meta.discourse.org/u/the220hq)\
**Replies:** 2\
**Last updated:** [March 4, 2025, 12:43am UTC](https://meta.discourse.org/t/sidekiq-got-error-when-sending-mail-after-upgrade-to-latest-version/353971 "2025-03-04T00:43:46Z")

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Dear team, My discourse runs normally before upgrade. But after upgrade, it got alot issue in sidekiq in sending email: Jobs::HandledExceptionWrapper: Wrapped Net::OpenTimeout: execution expired I don’t know why. B…

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## [More Information about Sidekiq](https://meta.discourse.org/t/more-information-about-sidekiq/352230)

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**Author:** [@Taste-OF-IT](https://meta.discourse.org/u/Taste-OF-IT)\
**Replies:** 0\
**Last updated:** [February 14, 2025, 8:33am UTC](https://meta.discourse.org/t/more-information-about-sidekiq/352230 "2025-02-14T08:33:26Z")

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Hi all, i run selfhosted Discourse and saw in sidekiq last month for approx 3 days a very high value. normaly i have constant approx 1.000-1.500 as value but for this days i got 30.000 as value. As far as i could find t…

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## [Jobs::SyncTopicUserBookmarked in a loop using 100% CPU](https://meta.discourse.org/t/jobs-synctopicuserbookmarked-in-a-loop-using-100-cpu/351047)

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**Author:** [@mentalstring](https://meta.discourse.org/u/mentalstring)\
**Replies:** 2\
**Last updated:** [February 7, 2025, 5:25pm UTC](https://meta.discourse.org/t/jobs-synctopicuserbookmarked-in-a-loop-using-100-cpu/351047 "2025-02-07T17:25:24Z")

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Over the last ~18h, our server is using close to 100% CPU. Looking at Sidekiq, it’s busy running the same 5 jobs: It’s always in “Just now” and they seem to be always re-running over those same 3 topic ids. I tr…

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## [CriticalUserEmail (Sidekiq)](https://meta.discourse.org/t/criticaluseremail-sidekiq/325106)

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**Author:** [@mmw1984](https://meta.discourse.org/u/mmw1984)\
**Replies:** 1\
**Last updated:** [September 5, 2024, 1:03pm UTC](https://meta.discourse.org/t/criticaluseremail-sidekiq/325106 "2024-09-05T13:03:03Z")

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Hi! I am building a Discourse Forum but there is a tricky problem which is about email. I am able to test the email by the email testing function implemented in Discourse. However, when registering, I can’t recieve my …

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## [How to view sidekiq dashboard?](https://meta.discourse.org/t/how-to-view-sidekiq-dashboard/309228)

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**Author:** [@Mudit\_Maheshwari](https://meta.discourse.org/u/Mudit_Maheshwari)\
**Replies:** 0\
**Last updated:** [May 23, 2024, 11:59pm UTC](https://meta.discourse.org/t/how-to-view-sidekiq-dashboard/309228 "2024-05-23T23:59:25Z")

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We recently discovered that we are running sidekiq using both the Unicorn (bin/unicorn -c config/unicorn.conf.rb) and Sidekiq (sidekiq -C ./sidekiq.yml) commands. However, when checking the Sidekiq dashboard ({DISCOURSE\_…
