apache/accumulo

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Apache Accumulo

Stars: 1.2k
Forks: 487
Open beginner issues: 0
Indexed issues: 243
Avg merge: 4d 5h
Merged PRs (30d): 13

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Open All

243 open issues indexed

Add ability to filter out metrics Open

enhancement

apache/accumulo#4599 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add more table operations to split million IT Open

apache/accumulo#4654 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Upgrade from 4.0 to 4.1 may need to consider new fate table. Open

bug

apache/accumulo#4721 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
listcompactions summary with optional group filter Open

enhancement

apache/accumulo#4782 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Static cache in VolumeManagerImpl has potential to cause memory leak Open

bug

apache/accumulo#4783 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Current deprecation pattern breaks users Open

bug

apache/accumulo#4820 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add new scan states for scan sessions that are no longer accessible by client Open

enhancement

apache/accumulo#4843 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Metadata constraint checker makes incorrect assumption about location Open

bug

apache/accumulo#4856 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Explore removing the walogs in tablet load in the same mutation that sets the location. Open

enhancement

apache/accumulo#4875 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Explore using Jetty QoS handler to limit log message in the monitor Open

enhancement

apache/accumulo#4877 · 14 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Add integration test to ensure empty zookeeper server lock nodes are cleaned up. Open

enhancement

apache/accumulo#4882 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Backport write ahead log recovery performance improvements to 2.1 Open

bug

apache/accumulo#4887 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Replace AFS.verifyReserved with a condition Open

enhancement

apache/accumulo#4908 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove reliance on java gc cleaners in NativeMap code Open

bug

apache/accumulo#4911 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove LRU block cache Open

blocker enhancement

apache/accumulo#4921 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Java System Properties not documented Open

enhancement

apache/accumulo#4935 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Verify monitor appender shuts down thread pool on config change Open

apache/accumulo#4949 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
IllegalStateException from CharsetDecoder.flush in RootConditionalWriter.write Open

bug

apache/accumulo#4971 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Configuring Monitor for SSL does not disable non-SSL connections Open

question

apache/accumulo#4974 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Move metadata operations for compactions from coordinator to compactors Open

enhancement

apache/accumulo#4978 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create utility to presplit the fate table Open

enhancement

apache/accumulo#4979 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Add mechanism for invalidating property cache in server processes Open

enhancement

apache/accumulo#4995 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Configured table to use non existent compaction service and saw no errors or warnings Open

bug

apache/accumulo#4999 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Consider switching to gRPC Open

apache/accumulo#5000 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add failed compaction counts for specific rfiles. Open

enhancement

apache/accumulo#5024 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider moving compactor and scan server path cleaners to a utility Open

apache/accumulo#5041 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Look into using ZookeeperTestingServer to test ZooCache Open

apache/accumulo#5048 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add a metric for # of exceptions per scan executor Open

enhancement

apache/accumulo#5057 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ZooReaderWriter.mutateExisting returns null if the Mutator did not change the entry Open

apache/accumulo#5063 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add cleanup test for multiple dead compactions Open

enhancement

apache/accumulo#5084 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Support splitting tablet with lots of files Open

enhancement

apache/accumulo#5100 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assess number of zookeeper watches being set by different processes types. Open

blocker

apache/accumulo#5134 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate adding a config option for setting thread pool size in InstanceOperations Open

apache/accumulo#5135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Hold minor compactions when tablets files exceed pause limit Open

enhancement

apache/accumulo#5151 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Survey code to see if more fate updates could be done in a single conditional mutation Open

enhancement

apache/accumulo#5161 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add check for bulk import loaded columns that have no corresponding live fate operation Open

enhancement

apache/accumulo#5175 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Add new plugin for conditional update that makes mutation available Open

enhancement

apache/accumulo#5244 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
InterruptedIOException in RFile$LocalityGroupReader seek/next can leave reference to corrupted stream and cause NPE Open

bug

apache/accumulo#5245 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Explore optimizing RFile LoadPlan computation Open

enhancement

apache/accumulo#5272 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow compactions to delete non shared input files. Open

enhancement

apache/accumulo#5387 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Race condition between table creation and namespace deletion Open

blocker bug

apache/accumulo#5389 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Migrate ZooKeeper Tables from /tables to be organized under the /namespaces hierarchy Open

apache/accumulo#5414 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Client properties file should be loaded using commons-configuration Open

apache/accumulo#5428 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avoid reusing an old ClientTabletCache after it is invalidated Open

apache/accumulo#5434 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Limit acquiring namespace read locks to table operations that add/remove tables Open

enhancement

apache/accumulo#5442 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Backport `accumulo upgrade --prepare` to future 3.1.0 release Open

blocker

apache/accumulo#5481 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add unit test that excercises sampling in RFileScanner iterator. Open

apache/accumulo#5500 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Migrations access can be optimized Open

enhancement

apache/accumulo#5520 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Provide mechanism to make more fine grained caching decisions. Open

enhancement

apache/accumulo#5559 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Stop wrapping TableNotFoundException in TableOperations Open

enhancement

apache/accumulo#5602 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026

apache/accumulo

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