Wei-Chiu Chuang created HDDS-14183:
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Summary: Attempted to decrement available space to a negative
value.
Key: HDDS-14183
URL: https://issues.apache.org/jira/browse/HDDS-14183
Project: Apache Ozone
Issue Type: Bug
Reporter: Wei-Chiu Chuang
Saw this warning when datanode disk was nearly full:
{noformat}
2025-12-15 10:37:20,903 WARN
[166c5ca8-343e-46ed-b619-84ac193e0069-ChunkReader-215]-org.apache.hadoop.hdds.fs.CachingSpaceUsageSource:
Attempted to decrement available space to a negative value. Current: 0,
Decrement: 1048576, Source: /ipdr_ozone31/hadoop-ozone/datanode/data
{noformat}
Prior to this message, there were many failed writes. Perhaps it needs to
increment the value when the write fails.
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