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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
${ noResults }
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 | |
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css | Fix Broken Links (#5287) | 2 years ago |
fonts | Change filer UI icon from picture to icon font. | 4 years ago |