adoroszlai opened a new pull request, #9440:
URL: https://github.com/apache/ozone/pull/9440
## What changes were proposed in this pull request?
Tweak two settings in acceptance tests to reduce disk out of space problem
on datanode:
```
CapacityVolumeChoosingPolicy: No volumes have enough space for a new
container. Most available space: 374649644 bytes; required space: 1073741824,
volumes: [{ ... capacity=76879465972 used=163255084 available=10343301120
minFree=1537589248 committed=8431062228 }]
```
- Reduce minimum EC pipeline count (per EC scheme) to 1. Multiple open
containers are useful for performance of concurrent writes, but functional
tests do not need it. This should reduce `committed`. (Config omitted in some
special environments like `ozonescripts`.)
- Set minimum free disk space percent for datanodes to 0%, thus let absolute
limit configured as 100MB take effect. HDDS-13657 changed the default value
from 0.1% to 2%, which resulted in too much reserved space (1.43GB for 71.6GB
volume). In CI most of the disk is used for pre-installed software, thus we
should ignore total size. This reduces `minFree`. For `xcompat` previous
default value of `0.001f` is restored, because the same configs are used for
old Ozone versions, and there were some behavior changes related to
`min.free.space` settings.
https://issues.apache.org/jira/browse/HDDS-14080
## How was this patch tested?
CI:
https://github.com/adoroszlai/ozone/actions/runs/19965223206
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