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cd9b39ca50
add-admin-and-worker-to-helm-charts
add-ec-vacuum
add-foundation-db
add_fasthttp_client
add_remote_storage
adding-message-queue-integration-tests
avoid_releasing_temp_file_on_write
changing-to-zap
collect-public-metrics
create-table-snapshot-api-design
data_query_pushdown
dependabot/maven/other/java/client/com.google.protobuf-protobuf-java-3.25.5
dependabot/maven/other/java/examples/org.apache.hadoop-hadoop-common-3.4.0
detect-and-plan-ec-tasks
do-not-retry-if-error-is-NotFound
enhance-erasure-coding
fasthttp
filer1_maintenance_branch
fix-GetObjectLockConfigurationHandler
fix-versioning-listing-only
ftp
gh-pages
improve-fuse-mount
improve-fuse-mount2
logrus
master
message_send
mount2
mq-subscribe
mq2
original_weed_mount
random_access_file
refactor-needle-read-operations
refactor-volume-write
remote_overlay
revert-5134-patch-1
revert-5819-patch-1
revert-6434-bugfix-missing-s3-audit
s3-select
sub
tcp_read
test-reverting-lock-table
test_udp
testing
testing-sdx-generation
tikv
track-mount-e2e
volume_buffered_writes
worker-execute-ec-tasks
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dev
helm-3.65.1
v0.69
v0.70beta
v3.33
${ noResults }
chrislu
cd9b39ca50
Implements automatic cleanup of topic partitions with no active publishers or subscribers to prevent memory accumulation from short-lived topics. **Key Features:** 1. Activity Tracking (local_partition.go) - Added lastActivityTime field to LocalPartition - UpdateActivity() called on publish, subscribe, and message reads - IsIdle() checks if partition has no publishers/subscribers - GetIdleDuration() returns time since last activity - ShouldCleanup() determines if partition eligible for cleanup 2. Cleanup Task (local_manager.go) - Background goroutine runs every 1 minute (configurable) - Removes partitions idle for > 5 minutes (configurable) - Automatically removes empty topics after all partitions cleaned - Proper shutdown handling with WaitForCleanupShutdown() 3. Broker Integration (broker_server.go) - StartIdlePartitionCleanup() called on broker startup - Default: check every 1 minute, cleanup after 5 minutes idle - Transparent operation with sensible defaults **Cleanup Process:** - Checks: partition.Publishers.Size() == 0 && partition.Subscribers.Size() == 0 - Calls partition.Shutdown() to: - Flush all data to disk (no data loss) - Stop 3 goroutines (loopFlush, loopInterval, cleanupLoop) - Free in-memory buffers (~100KB-10MB per partition) - Close LogBuffer resources - Removes partition from LocalTopic.Partitions - Removes topic if no partitions remain **Benefits:** - Prevents memory bloat from short-lived topics - Reduces goroutine count (3 per partition cleaned) - Zero configuration required - Data remains on disk, can be recreated on demand - No impact on active partitions **Example Logs:** I Started idle partition cleanup task (check: 1m, timeout: 5m) I Cleaning up idle partition topic-0 (idle for 5m12s, publishers=0, subscribers=0) I Cleaned up 2 idle partition(s) **Memory Freed per Partition:** - In-memory message buffer: ~100KB-10MB - Disk buffer cache - 3 goroutines - Publisher/subscriber tracking maps - Condition variables and mutexes **Related Issue:** Prevents memory accumulation in systems with high topic churn or many short-lived consumer groups, improving long-term stability and resource efficiency. **Testing:** - Compiles cleanly - No linting errors - Ready for integration testing fmt |
2 weeks ago | |
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