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https://issues.apache.org/jira/browse/HDDS-15477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18086146#comment-18086146
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Tsz-wo Sze commented on HDDS-15477:
-----------------------------------
[~ssulav], The key part is just a short string. The log is usual for debugging
RocksDatabase. The value part has fixed by HDDS-11594. I guess you do not
have HDDS-11594.
> Special Control Characters in Ozone SCM Debug Logs
> --------------------------------------------------
>
> Key: HDDS-15477
> URL: https://issues.apache.org/jira/browse/HDDS-15477
> Project: Apache Ozone
> Issue Type: Bug
> Components: SCM
> Affects Versions: 2.1.0
> Reporter: Soumitra Sulav
> Priority: Major
> Attachments: Screenshot 2026-06-04 at 10.52.37 AM.png, Screenshot
> 2026-06-04 at 10.58.02 AM.png
>
>
> Special Control characters are dumped when DEBUG mode is enabled.
> {code:java}
> 39153:2026-06-03 20:59:50,039 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer key a�
> 39154:2026-06-03 20:59:50,039 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer value���6�܃��ѳ�
> 39155:2026-06-03 20:59:50,044 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer key e�
> 39156:2026-06-03 20:59:50,044 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer value���6�܃��ѳ�
> 39157:2026-06-03 20:59:50,045 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer key e�
> 39158:2026-06-03 20:59:50,045 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer value���]�Ⴀ�ѳ�
> 39159:2026-06-03 20:59:50,046 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer key e�
> 39160:2026-06-03 20:59:50,046 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer value���]�Ⴀ�ѳ�
> 39161:2026-06-03 20:59:50,046 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer key e�
> 39162:2026-06-03 20:59:50,046 DEBUG
> [4b31a8f0-bded-4c35-aab1-4a91d8ec5cb8@group-1AE1F649725A-StateMachineUpdater]-org.apache.hadoop.hdds.utils.db.RocksDatabase:
> batchPut buffer value���]�Ⴀ�ѳ� {code}
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