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Intermittent problems with cache #4396

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Intermittent problems with cache#4396
Labels
🐛 Bug🏭 Back-End
Milestone
v23.08

Description

@jradikk
jradikk
opened on Jul 24, 2023

Attempted Debugging

  • I have read the debugging page

Searched GitHub Issues

  • I have searched GitHub for the issue.

Describe the Scenario

The /status page returns 500 with {"database":true,"cache":false,"session":true} every once in a while. No errors in bookstack log
Switching the cache driver value between file/redis doesn't solve the problem. Number of bookstack application replicas don't affect the problem either (both 1 replica and 2 replicas setups experience the same problem)

With cache and session drivers set to redis, only cache is the one getting errors

Exact BookStack Version

v22.04.02

Log Content

bookstack:80 127.0.0.6 - - [24/Jul/2023:11:55:55 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:55:55 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:05 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:05 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:15 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:15 +0000] "GET /status HTTP/1.1" 500 1496 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:25 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:25 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:35 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:35 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:45 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:45 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:55 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:56:55 +0000] "GET /status HTTP/1.1" 500 1496 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:05 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:05 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:15 +0000] "GET /status HTTP/1.1" 500 1496 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:15 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:25 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"
bookstack:80 127.0.0.6 - - [24/Jul/2023:11:57:25 +0000] "GET /status HTTP/1.1" 200 1476 "-" "kube-probe/1.24"

PHP Version

8.1.6

Hosting Environment

Kubernetes cluster (1.24), Ubuntu 20.04 OS, solidnerd/bookstack:22.04.02 docker image

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