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Missing data on Performance even though it shows on stats #3609

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@inoa-dmpassy

Description

@inoa-dmpassy

Self-Hosted Version

25.2.0

CPU Architecture

x86_64

Docker Version

28.0.1

Docker Compose Version

2.33.1

Machine Specification

  • My system meets the minimum system requirements of Sentry

Steps to Reproduce

I'm running a Sentry Self Hosted, it was 24.11.1, yesterday we updated to 25.2.0
Since December we started seeing missing data on performance.

Look at the stats page

Image

However, when we check performance, there are times when there's a lack of transactions:

Image

for the last 14 days:

Image.

Maybe it has something to do with max-memory on redis, we added it around the same time.
#3427 (comment)

In the docker logs, there's a bunch

worker-1                                        | 14:34:45 [INFO] sentry.tasks.post_process: post_process.skipped (cache_key='e:d9ed0a1e03684bb4a7922078da6aeb6e:2' reason='missing_cache')

maybe this is correlated.

Yesterday I updated to 25.2.0 and update the redis.conf

# redis.conf

# The 'maxmemory' directive controls the maximum amount of memory Redis is allowed to use.
# Setting 'maxmemory 0' means there is no limit on memory usage, allowing Redis to use as much
# memory as the operating system allows. This is suitable for environments where memory
# constraints are not a concern.
#
# Alternatively, you can specify a limit, such as 'maxmemory 15gb', to restrict Redis to
# using a maximum of 15 gigabytes of memory.
#
# Example:
# maxmemory 0         # Unlimited memory usage
# maxmemory 15gb     # Limit memory usage to 15 GB

maxmemory 10gb

# This setting determines how Redis evicts keys when it reaches the memory limit.
# `allkeys-lru` evicts the least recently used keys from all keys stored in Redis,
# allowing frequently accessed data to remain in memory while older data is removed.
# That said we use `volatile-lru` as Redis is used both as a cache and processing
# queue in self-hosted Sentry.
# > The volatile-lru and volatile-random policies are mainly useful when you want to
# > use a single Redis instance for both caching and for a set of persistent keys.
# > However, you should consider running two separate Redis instances in a case like
# > this, if possible.

maxmemory-policy volatile-lru

previous was maxmeory 6gb.

But suddenly, redis is using 20mb

root@sentry:/sentry/self-hosted# docker exec -it sentry-self-hosted-redis-1 redis-cli info memory | grep used_memory
used_memory:22518360
used_memory_human:21.48M
used_memory_rss:56135680
used_memory_rss_human:53.54M
used_memory_peak:6455694696
used_memory_peak_human:6.01G
used_memory_peak_perc:0.35%
used_memory_overhead:8784551
used_memory_startup:811944
used_memory_dataset:13733809
used_memory_dataset_perc:63.27%
used_memory_lua:526336
used_memory_lua_human:514.00K
used_memory_scripts:31160
used_memory_scripts_human:30.43K

Expected Result

Perfonmance data available

Actual Result

docker-logs.txt

System info

root@sentry:/sentry/self-hosted# hostnamectl
   Static hostname: sentry
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 59910524c6845710a9cd9b0764281fd6
           Boot ID: 57ea4dbdc4c24a8eb8922e46d065e7b1
    Virtualization: kvm
  Operating System: Ubuntu 20.04.6 LTS
            Kernel: Linux 5.15.0-1075-gcp
      Architecture: x86-64

root@sentry:/sentry/self-hosted# df -h
Filesystem       Size  Used Avail Use% Mounted on
/dev/root         15G   12G  2.7G  82% /
devtmpfs          16G     0   16G   0% /dev
tmpfs             16G     0   16G   0% /dev/shm
tmpfs            3.1G  5.1M  3.1G   1% /run
tmpfs            5.0M     0  5.0M   0% /run/lock
tmpfs             16G     0   16G   0% /sys/fs/cgroup
/dev/nvme1n1     9.8G  8.2M  9.8G   1% /sentry
/dev/nvme0n1p15  105M  6.1M   99M   6% /boot/efi
/dev/nvme2n1     3.9T  1.9T  2.1T  48% /var/lib/docker
/dev/loop2        92M   92M     0 100% /snap/lxd/29619
/dev/loop1        56M   56M     0 100% /snap/core18/2846
/dev/loop3        45M   45M     0 100% /snap/snapd/23545
/dev/loop7        64M   64M     0 100% /snap/core20/2434
/dev/loop8        64M   64M     0 100% /snap/core20/2496
/dev/loop9        92M   92M     0 100% /snap/lxd/24061
/dev/loop10       56M   56M     0 100% /snap/core18/2855
/dev/loop0       409M  409M     0 100% /snap/google-cloud-cli/311
/dev/loop6        45M   45M     0 100% /snap/snapd/23771
/dev/loop4       409M  409M     0 100% /snap/google-cloud-cli/313
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/376702b4c2672bc9727afa8690aa7376bbc4cd7d2e7ceb2a0a3c07fadc136942/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/1090dbd3476847ad61efdb30498e85f8cbd6a0f2e302bee700aec35fe4c4a873/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/9c30e6837b275e6fcc0bdfc7c730db7f6821594d28bb150584a698ee183352b2/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/982b21fef7c0fce277edc38f14dfcd4afd7011f83f9ced0cd60c915fa5b21c16/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/0c27876c6903ffdb33277f136abd78e607c4d8e8890c3ea1f7d4378497bf6c15/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/094dd1ec006220e58aad4a16424f43c52d5e5a111633cb005c4be7fc9b459178/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/13e3b9524c52a2f2dd9941be7a8952e18d4e6273f198fffe0772f12a27920642/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/c09e2c8ffe38621097723dd9281429ab3360d32dd2e37755c4c70c5ba20db8db/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/ea40de3f8d977dbb8843fbf76e9fa27b629a80e7e30260aae02bd2a9fd2e1536/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/4216d4169a27c0287105304d43967354898ab2b21931d22bc6ddcee03bb286ae/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/cb90d77e1d8231085937561159f156a396f3d1269317d113d42e74a1f65c8794/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/879eba6ed81f80d7d72a0325c13e014e2b43d97b55ec39b450c94a7d37135ad8/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/9c43ca486f232d6df31d04d0f78accbc94678b056e87581162be49dd478226ac/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/0adad4ca5abe57daf16dc37f25ab60a7dce56f8c39ad6858d85c5f1e134986dc/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/4ad66c4361baef5d41947c0945cc6a1af75ee92d0f096939797d4f0c6d659297/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/d7299eefe6f77c752238b549c352bf9c28b76b713ecc47bfd7b932287137152b/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/5c434e00084f0eb2c7c42a9733a789ca08f4f6140973754c4c7991f5806863d7/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/ea53ec55d077c99e62b01161815ccd0850dae526865f4b3967f3e6f456257e7b/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/d27e4748a630eba713a72d8295dccfc658c3e7b38ee29ca17ad49c681445eb20/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/79f4679fa70f2f364cf0caa736b517953e2bb878bb60fef752fed2892a57d867/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/7432eccbc03a742ed5f3c868501918fb5b1e8764b04cb9c33f9ad7363e2f87b9/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/2474dda25fb56638599e86507f7f93fe9938d71ea98136180cb2c04d8c93177c/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/7861ac54f95e7d009d90f335a9d4ae5dac4bc5a05b7a8995a03364737d7ad2b1/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/b2809c9f626910fdac6f5dbfa3f50c5fa2bd6d4df2235033582c4cf84aca0329/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/8ae7a9d3e593cadf829d4aa68f5d613602c7f7c6c29c26e301deb71da16a6c10/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/eaa67fb42fe530d6d5212f0703cbd030283c9227fc0edeafacc4bd58ce150a2b/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/802a1d17295be6a6737396d6e607962dd7f5bb27bc4b202e1afa55dcd440d0e2/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/6c0dc77cdc0f687274040bfa6219ccc4b910764f642d51ea77a4bbf544beee9d/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/1042a2fd2a006077335c0ef7d2dcab9f734f42451f2c88c973d33ce0c324ee60/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/699c80d8012bde9c32f95ab4b6bdabaf542989de0e2c166e69326483e02115c0/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/33cf1d634857b02de874f7cd922e738ff42f62996050f6e95aa75e37ee82f6e8/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/cc3664feb14bfc37ded3dc9dc1ad5224211eb6ea51074bcd127977e865f410b5/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/de7f1b2f8e9bf6aec654ba15610468b4094bf22e3e1e56e01463569ffb06cc11/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/e77df70c76d750882111effe71b4586fdf45eb50bbbf0cfb4ab7cc9d420538bd/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/9cd837aa5e391454f37115be9e40d74264b978f8b08427a8e62ccb435f6a93f3/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/07badb74c4f635003d264899f0d8a63da80dae36b89b68db4f9bc43fa463b46a/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/32bd34e02c0b859d4842b3616be64d5a3a49d3bc2e611003965d790510d4dc4a/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/94464b789c704ab47a57b718d072add8e4709f715fc28a19a75281581cea3594/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/148d9ac3490cb6878e440c85b85f49eec75f676523960d95a6ece715d64a63a3/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/baf1681d0008fec1577652d61d91573a85ee1f9fd0dc89d68db7bfa9966f7e0c/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/4b29c477b4b146b974489865c8d7d41349c84395e34f71ddbf57946f96cac6b6/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/cf919e0daf06c439c7a524463996c867f8108755d1fa33686f0f13a6fa00fce6/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/5de74aa5f4cdd0140053d08bdbaf7fde5a6bc0095d14fee363c31e35ee9da72a/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/266d7735c54aa9dafa2d8711c454c3bda698b29b6961af112d1f0c2d8e5ed65d/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/b2bffc4daafa83e5c0a543e56404c02de898880d35d80a4306473eb484b308e2/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/0f962d97a34f63b7681a024b4768c14f8e2061e263bdefedd2ebe8db4bb1947d/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/5bcdddcbad35facfc1aac4720e1bc040ad9f74e0376b9e373e697c5267cd2911/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/9c667f35b8ab184c54f69d92dceb3fb839465a8fa184950d8b00f96d62e1ff2a/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/6f721ac5ae5ad38bd75b83baac2c548b7a81d707798ab82e910ba634868d98ef/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/68a7dcec67f096f6aee7407d91bd262329a504aa4bed302785ebd541cc72bdf9/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/a773b99964f38d2590917eb07c7c18c8566e903c7e26c3dc14c2cc19e8caa822/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/d56122bcd7558dd660b0f4f7c5a605314f91941cc20dd2390cf7f742db0b4133/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/e4bdcbd5e42e777a0bbd198791f802b3f6eab0fa24e7c6f9399010608e1a96b7/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/cf687f917ab876869442f2aef2fba3a99986761a06526adfaf1c68c91f92acf1/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/34acb971190338a2af516299e498f8ca65670c86e7079830f9da514e4428ec27/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/6b5e0683f75b9896ff141a106e7ca51e0216df17d60154db914e129a74806afd/merged
overlay          3.9T  1.9T  2.1T  48% /var/lib/docker/overlay2/13a899ad0bc9aa7ddffe7eea583b8d6d2ba4a4e6d4e3db46f376322005f2f41f/merged
tmpfs            3.1G     0  3.1G   0% /run/user/0

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