Logs disapear after some time

[YaPlusDePile]

Describe the bug
Hello,
After some time, generaly 1h 30m (depends of quantity of logs) the logs disapear from loki.
To show you, i've activated the auto refresh on every 5 seconds on the 'explore' tab of Grafana and i've recorded my screen:

I’ve monitor the size of the data folder during the log disappear:

The last result of query before logs disappear:

And a few secods later:

I've tried with V2.8.0 and it works as expected

To Reproduce
Steps to reproduce the behavior:

1. Install Loki 2.9.0 Via docker-compose
2. Start logging of container for example
3. Regulary query for logs
4. After a time, the logs disapear

Expected behavior
The logs doesn't have to disapear

Environment:

• Docker-compose installation with Loki 2.9.0
  docker-compose file:
  docker-compose.yaml.txt
  loki config:
  local-config.yaml.txt

Screenshots, Promtail config, or terminal output
The logs file of loki container at the moment when logs has disapear on previous screenshots:
docker-logs.json

To more details you can go to Loki Forum: Logs disappear from Loki after some time

And if you need more details, do not hesitate to ask me.

[waney316]

hello, I get the same issue，my loki version 2.9.2， when I specify a time range of 6 hours, I can only see logs from the last hour or two.

[zhao-chung]

怎么解决一段时间后，grafana 展示日志出现

，提示文件不存在，该怎么解决。

[summed]

#11301 Is this related?

[exabugs]

#8023 Is this related?

[blacksheepaul]

It seems fixed in Fix bug in cache of the index object client #10585.
Related to When using single store (tsdb, boltdb-shipper), indexes and chunks are shipped to object storage but queries are (partly) empty #10529