adoroszlai opened a new pull request, #3636:
URL: https://github.com/apache/ozone/pull/3636
## What changes were proposed in this pull request?
Added new log messages:
* If `VolumeChoosingPolicy` finds no volumes which have enough available
space for a new container, it logs an info level message, showing space for all
volumes.
* Otherwise, any volumes with not enough available space are logged at
debug level.
Both messages include actual free space and committed space (reserved for
existing open containers).
https://issues.apache.org/jira/browse/HDDS-7033
## How was this patch tested?
Verified log messages in updated unit test.
Also tested on docker-compose cluster, by creating empty containers (size
set to 10GB in config) until it failed. Checked datanode log:
```
2022-07-28 10:23:35,663 [ChunkReader-5] INFO
volume.RoundRobinVolumeChoosingPolicy: No volumes have enough space for a new
container. Most available space: 5682657280 bytes; required space:
10737418240, volumes: {/data/hdds/hdds=free: 113056829440, committed:
107374172160}
```
https://github.com/adoroszlai/hadoop-ozone/actions/runs/2752890891
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