From d051715ff6e204700ad13ba1a80b8efb2026a8e0 Mon Sep 17 00:00:00 2001 From: Rachel Elledge Date: Fri, 22 Nov 2024 12:42:27 -0800 Subject: [PATCH] DOC-4593 RS: Add Sentinel known issue to 7.8.2-34 release notes --- .../rs/release-notes/rs-7-8-releases/_index.md | 18 ++++++++++++++++++ .../rs-7-8-releases/rs-7-8-2-34.md | 18 ++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/content/operate/rs/release-notes/rs-7-8-releases/_index.md b/content/operate/rs/release-notes/rs-7-8-releases/_index.md index c402e7e15c..7f1bbf0b2b 100644 --- a/content/operate/rs/release-notes/rs-7-8-releases/_index.md +++ b/content/operate/rs/release-notes/rs-7-8-releases/_index.md @@ -231,6 +231,24 @@ The following table provides a snapshot of supported platforms as of this Redis - RS131972: Creating an ACL that contains a line break in the Cluster Manager UI can cause shard migration to fail due to ACL errors. +- After upgrading, clusters using Sentinel for service discovery might encounter an issue that requires a restart of the Sentinel service. To determine if your cluster is affected, check for the following symptoms: + + 1. The `sentinel masters` command is unresponsive. + + 1. Review `sentinel_service.log` for messages such as: + + ``` + INFO Failed to read ‘HGETALL node:##’, ERROR: ‘HGETALL node:##’ returned empty results (retry ######), will try again in 1s. + ``` + + Workaround: To resolve the issue, run the following command on each node: + + ```sh + supervisorctl restart sentinel_service + ``` + + If you are uncertain whether you are impacted or need assistance with remediation, [contact support](https://redis.io/support/). + ## Known limitations #### New Cluster Manager UI limitations diff --git a/content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-2-34.md b/content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-2-34.md index 83e006287e..55e079bb70 100644 --- a/content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-2-34.md +++ b/content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-2-34.md @@ -408,6 +408,24 @@ The following table shows the SHA256 checksums for the available packages: - RS131972: Creating an ACL that contains a line break in the Cluster Manager UI can cause shard migration to fail due to ACL errors. +- After upgrading, clusters using Sentinel for service discovery might encounter an issue that requires a restart of the Sentinel service. To determine if your cluster is affected, check for the following symptoms: + + 1. The `sentinel masters` command is unresponsive. + + 1. Review `sentinel_service.log` for messages such as: + + ``` + INFO Failed to read ‘HGETALL node:##’, ERROR: ‘HGETALL node:##’ returned empty results (retry ######), will try again in 1s. + ``` + + Workaround: To resolve the issue, run the following command on each node: + + ```sh + supervisorctl restart sentinel_service + ``` + + If you are uncertain whether you are impacted or need assistance with remediation, [contact support](https://redis.io/support/). + ## Known limitations #### New Cluster Manager UI limitations