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The following commit(s) were added to refs/heads/master by this push:
new a79aa64a9 HDDS-14278. Add 2.1 release page (#199)
a79aa64a9 is described below
commit a79aa64a9db05c10d6f736af6f21f5d8618beb26
Author: Chung En Lee <[email protected]>
AuthorDate: Mon Jan 5 23:45:18 2026 +0800
HDDS-14278. Add 2.1 release page (#199)
---
content/release/2.1.0.md | 149 ++++++++++++++++++++++++++++++++++++++++++++++
layouts/index.html | 2 +-
static/doap_ozone.rdf | 4 +-
static/releases/2.1.0.jpg | Bin 0 -> 322471 bytes
4 files changed, 152 insertions(+), 3 deletions(-)
diff --git a/content/release/2.1.0.md b/content/release/2.1.0.md
new file mode 100644
index 000000000..54eb347e9
--- /dev/null
+++ b/content/release/2.1.0.md
@@ -0,0 +1,149 @@
+---
+title: Release 2.1.0 available
+date: 2025-12-31
+linked: true
+---
+<!---
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. See accompanying LICENSE file.
+-->
+
+
+
+# Release Note
+
+Apache Ozone 2.1.0 adds 805 new features, improvements and bug fixes on top of
Ozone 2.0.
+
+## Notable Changes
+
+---
+
+* [HDDS-10239](https://issues.apache.org/jira/browse/HDDS-10239) | **Storage
Container Reconciliation**
+
+Introduced a container reconciliation protocol to resolve mismatched container
states and verify replica integrity.
+
+---
+
+* [HDDS-12940](https://issues.apache.org/jira/browse/HDDS-12940) | **Ozone
Snapshot Phase 3: Scale up Snapshot Operations**
+
+Enhanced Ozone Snapshot scalability and continued stability improvements.
+
+---
+
+* [HDDS-8387](https://issues.apache.org/jira/browse/HDDS-8387) | **Container
and volume scanners phase II**
+
+Enhanced storage volume failure handling by introducing a 'degraded' state to
preserve data availability, along with improved health observability.
+
+---
+
+* [HDDS-12564](https://issues.apache.org/jira/browse/HDDS-12564) | **Handling
disk issues in Datanodes - Phase II**
+
+Enhanced Datanode disk space management to prevent out-of-space failures.
+
+---
+
+## New Configuration Options
+
+- OZONE_SERVER_OPTS: A new environment variable was added to allow setting
common Java options for all Ozone server processes at once.
+- ozone.compaction.service.enabled: Enable or disable a background job that
periodically compacts rocksdb tables flagged for compaction. The default is
false.
+- ozone.om.compaction.service.run.interval: A background job that periodically
compacts rocksdb tables flagged for compaction. The default is 6 hours.
+- ozone.om.compaction.service.timeout: A timeout value of compaction service.
If this is set greater than 0, the service will stop waiting for compaction
completion after this time. Unit could be defined with postfix (ns,ms,s,m,h,d).
The default is 10 min.
+- ozone.om.compaction.service.columnfamilies: A comma separated, no spaces
list of all the column families that are compacted by the compaction service.
If this is empty, no column families are compacted. The default is
"keyTable,fileTable,directoryTable,deletedTable,deletedDirectoryTable,multipartInfoTable".
+- ozone.om.snapshot.prune.compaction.backup.batch.size: This property controls
Prune SST files in Compaction backup directory in batches every
`ozone.om.snapshot.compaction.dag.prune.daemon.run.interval`. The default is
2000.
+
+These properties provide more control over the Ratis write buffer, which can
be adjusted to optimize performance based on workload and
+hardware.
+- ozone.om.ratis.server.pending.write.byte-limit: Sets the maximum byte size
of all pending write requests. The default is 64MB.
+- ozone.om.ratis.server.pending.write.element-limit: Sets the maximum number
of pending write requests. The default is 4096.
+
+## Incompatible change
+
+* [HDDS-12152](https://issues.apache.org/jira/browse/HDDS-12152) | Ozone now
requires the Hadoop 3.4 runtime. Support for Hadoop 3.1.2 is deprecated.
+
+### Default Value Changes
+
+- hdds.scm.block.deletion.per-interval.max: Default is now 500,000 blocks per
interval.
+- hdds.datanode.volume.choosing.policy: Default changed from
RoundRobinVolumeChoosingPolicy to CapacityVolumeChoosingPolicy.
+- hdds.datanode.volume.min.free.space: Default changed from 5GB to 20GB.
+- hdds.datanode.volume.min.free.space.percent: Default changed to 0.1%.
+- hdds.datanode.block.deleting.limit.per.interval: Default is now 20,000
blocks per interval.
+- hdds.scm.safemode.min.datanode: Default changed from 1 to 3.
+- hdds.secret.key.expiry.duration: Default is now 9 days. This change ensures
that tokens remain valid for their full configured duration, preventing
premature key invalidation and improving stable authentication.
+- fs.trash.classname: Class name updated to
org.apache.hadoop.fs.ozone.OzoneTrashPolicy.
+- ozone.key.deleting.limit.per.task: Default is now 50,000 keys per task.
+- ozone.s3g.https-address: Default changed from None to 0.0.0.0:9879.
+- ozone.om.fs.snapshot.max.limit: Default is now 10,000 snapshots.
+- ozone.om.ratis.segment.size: Default is now 64MB (was 4MB).
+- ozone.scm.ha.dbtransactionbuffer.flush.interval: Default is now 1 min.
+- ozone.scm.ha.ratis.segment.size: Default is now 64MB (was 4MB).
+
+### Removed Configurations:
+
+- hdds.rest.http-address: This configuration is removed since
[HDDS-12761](https://issues.apache.org/jira/browse/HDDS-12761).
+- hdds.scm.safemode.pipeline-availability.check: This configuration is removed
since [HDDS-11799](https://issues.apache.org/jira/browse/HDDS-11799).
+
+# Changelog
+
+The format is based on [Keep a
Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic
Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [2.1.0] - 2025-12-31
+
+### Added
+
+- Added design documentation and initial integration steps for OpenTelemetry.
(HDDS-13679)
+- Implemented an in-memory manager for Snapshot Local Data. (HDDS-13627)
+- Added support for Ranger to authorize STS tokens. (HDDS-13848)
+- Added latency metrics for key creation operations and deletion services to
Grafana dashboards. (HDDS-13510)
+- Include openssl native library check in the ozone debug checknative command
output. (HDDS-13266)
+- Apache Ozone is migrated from OpenTracing to OpenTelemetry for distributed
tracing. (HDDS-13680)
+- Enable rpm builds for Ozone. To build rpm packages, do: mvn clean package
-DskipTests=true -Prpm. Optionally specify -Drpm.targetArch=aarch64 for ARM
builds. (HDDS-13439)
+- Ozone supports creating deb package for Debian. Example command: mvn clean
package -Pdeb The package file ozone_<ozone_version>-<linux_distro>_<arch>.deb
will be created under folder path hadoop-ozone/dist/target. The Ozone binary
will be installed under /opt/ozone directory. (HDDS-13414)
+- Added a "Deletion Progress" section to the OM Web UI to track Key Deleting
Service metrics (count and size) from the last 24 hours, along with service
status and schedule details. (HDDS-12887)
+- Added a throttling mechanism to SCM to prevent excessive memory usage and
long GC pauses during large-scale block deletions. (HDDS-12087)
+- Added support for Listener Ozone Managers (OM). Listener OMs are read-only,
non-voting nodes that replicate logs from the leader to serve read requests,
improving read performance and offloading voting OMs.(HDDS-11523)
+- Exposed new metrics under `StorageVolumeScannerMetrics` and
`VolumeInfoMetrics` on DataNodes to improve observability of storage volume
scanning activity and health. (HDDS-8783)
+- Added specific audit logs for background deletion services and internal OM
requests. (HDDS-13370) (HDDS-11314)
+- Added logic to immediately trigger heartbeat and container close when a
volume is full. (HDDS-13045)
+- Added support for uploading and deleting objects using presigned URLs.
(HDDS-5195) (HDDS-13663)
+- Added support for custom metadata headers with uppercase characters.
(HDDS-13429)
+- Added support for S3 STANDARD_IA storage class to accept EC replication
config and owner field in listBuckets. (HDDS-1097)
+- Added new Grafana dashboards for low-level RocksDB operations and Deletion
progress. (HDDS-12446) (HDDS-13259)
+- Added a "Mismatched Replica" tab to the Containers Page and improved
mismatch API. (HDDS-12395)
+- Added ozone admin commands for listing containers based on health state and
sorting datanodes. (HDDS-12653) (HDDS-13095)
+- Implemented AWS STS AssumeRole support to generate short-lived temporary
credentials. (HDDS-13323)
+
+### Changed
+
+- Metadata Storage: Moved container-related metadata and OM task metadata from
Derby DB to Ozone Manager (OM) RocksDB. (HDDS-13669)
+- Locking: Refactored OzoneManagerLock to handle hierarchical resource locking
and implemented a pool-based lock manager. (HDDS-13797) (HDDS-13798)
+- Bumped Apache Ratis to version 3.2.0. (HDDS-12070)
+- Bumped AWS SDK to version 2.35.5. (HDDS-13793)
+- Bumped Jetty to 9.4.58. (HDDS-13585)
+- Bumped minimum Maven version to 3.6.3. (HDDS-13364)
+- Recon Sync: Separated Recon OM synchronization from task processing to
improve stability. (HDDS-8633)
+- The default backup SST pruning interval is now **10 minutes**. This means
old backup files will be deleted more frequently, improving disk space usage if
Ozone Snapshot is enabled. (HDDS-13638)
+- Ozone now requires the Hadoop 3.4 runtime. Support for Hadoop 3.1.2 is
deprecated. (HDDS-12152)
+- Renamed the previous functionality of the `--all` option in `ozone sh
snapshot lsDiff` to `--all-status`. The `--all` option now behaves as a listing
limit, setting the count to `Integer.MAX_VALUE`. (HDDS-8802)
+
+
+### Fixed
+
+- Snapshot Locking: Fixed OMLockDetails usage where it incorrectly returned a
ThreadLocal Object. (HDDS-13978) (HDDS-13004)
+- Recon Startup: Improved Recon bootup times by handling failed delta tasks
from previous runs and making task reprocessing non-blocking. (HDDS-13791)
+- Corrected pagination semantics for listMultipartUploads and ListObjectsV2.
(HDDS-13290)
+- Fixed Datanode decommission failing when other nodes are offline in Ratis
replication. (HDDS-13544)
+- Fixed memory leaks in NSSummary and issues with Derby during schema upgrade.
(HDDS-8565) (HDDS-12968)
+
+### Security
+
+- Ranger: Added artifacts for Ranger to authorize STS tokens. (HDDS-13848)
diff --git a/layouts/index.html b/layouts/index.html
index 3fa894195..c62ae8830 100644
--- a/layouts/index.html
+++ b/layouts/index.html
@@ -25,7 +25,7 @@
</p>
</p>
<p></p>
- <p class="lead">Version <a href="release/2.0.0/">2.0.0</a> is now
available for download!
+ <p class="lead">Version <a href="release/2.1.0/">2.1.0</a> is now
available for download!
</p>
<p></p>
</div>
diff --git a/static/doap_ozone.rdf b/static/doap_ozone.rdf
index 9f54699cd..daa468a03 100644
--- a/static/doap_ozone.rdf
+++ b/static/doap_ozone.rdf
@@ -39,8 +39,8 @@ Applications using frameworks like Apache Spark, YARN and
Hive work natively wit
<release>
<Version>
<name>Stable Release</name>
- <created>2025-04-30</created>
- <revision>2.0.0</revision>
+ <created>2025-12-31</created>
+ <revision>2.1.0</revision>
</Version>
</release>
<repository>
diff --git a/static/releases/2.1.0.jpg b/static/releases/2.1.0.jpg
new file mode 100644
index 000000000..f48131a44
Binary files /dev/null and b/static/releases/2.1.0.jpg differ
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