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Tree: ec114b09b4

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

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

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seaweedfs/test/kafka/cmd/setup

History

chrislu ec114b09b4 fix: Ensure atomic offset commits to prevent message loss and duplicates CRITICAL BUG: Offset consistency race condition during rebalancing PROBLEM: In handleOffsetCommit, offsets were committed in this order: 1. Commit to in-memory cache (always succeeds) 2. Commit to persistent storage (SMQ filer) - errors silently ignored This created a divergence: - Consumer crashes before persistent commit completes - New consumer starts and fetches offset from memory (has stale value) - Or fetches from persistent storage (has old value) - Result: Messages re-read (duplicates) or skipped (missing) ROOT CAUSE: Two separate, non-atomic commit operations with no ordering constraints. In-memory cache could have offset N while persistent storage has N-50. On rebalance, consumer gets wrong starting position. SOLUTION: Atomic offset commits 1. Commit to persistent storage FIRST 2. Only if persistent commit succeeds, update in-memory cache 3. If persistent commit fails, report error to client and don't update in-memory 4. This ensures in-memory and persistent states never diverge IMPACT: - Eliminates offset divergence during crashes/rebalances - Prevents message loss from incorrect resumption offsets - Reduces duplicates from offset confusion - Ensures consumed persisted messages have: * No message loss (all produced messages read) * No duplicates (each message read once) TEST CASE: Consuming persisted messages with consumer group rebalancing should now: - Recover all produced messages (0% missing) - Not re-read any messages (0% duplicates) - Handle restarts/rebalances correctly		6 days ago
..
main.go	Add Kafka Gateway (#7231)	1 week ago