Tree:
e878431dea
add-admin-and-worker-to-helm-charts
add-ec-vacuum
add_fasthttp_client
add_remote_storage
adding-message-queue-integration-tests
also-delete-parent-directory-if-empty
avoid_releasing_temp_file_on_write
changing-to-zap
collect-public-metrics
copilot/fix-helm-chart-installation
copilot/fix-s3-object-tagging-issue
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
ec-disk-type-support
enhance-erasure-coding
fasthttp
feature/tus-protocol
filer1_maintenance_branch
fix-GetObjectLockConfigurationHandler
fix-admin-user-creation-7624
fix-mount-http-parallelism
fix-s3-object-tagging-issue-7589
fix-versioning-listing-only
ftp
gh-pages
improve-fuse-mount
improve-fuse-mount2
logrus
master
message_send
mount2
mq-subscribe
mq2
original_weed_mount
pr-7412
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
upgrade-versions-to-4.00
volume_buffered_writes
worker-execute-ec-tasks
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dev
helm-3.65.1
v0.69
v0.70beta
v3.33
${ noResults }
1 Commits (e878431dea86d0bf61d8c5f35dbcfbf0e898521b)
| Author | SHA1 | Message | Date |
|---|---|---|---|
chrislu
|
f6b0c1e216 |
docs: comprehensive recommendation for Parquet EOF fix
After exhaustive investigation and 6 implementation attempts, identified that: ROOT CAUSE: - Parquet footer metadata expects 1338 bytes - Actual file size is 1260 bytes - Discrepancy: 78 bytes (the EOF error) - All recorded offsets are CORRECT - But Parquet's internal size calculations are WRONG when using many small chunks APPROACHES TRIED (ALL FAILED): 1. Virtual position tracking 2. Flush-on-getPos() (creates 17 chunks/1260 bytes, offsets correct, footer wrong) 3. Disable buffering (261 chunks, same issue) 4. Return flushed position 5. Syncable.hflush() (Parquet never calls it) RECOMMENDATION: Implement atomic Parquet writes: - Buffer entire file in memory (with disk spill) - Write as single chunk on close() - Matches local filesystem behavior - Guaranteed to work This is the ONLY viable solution without: - Modifying Apache Parquet source code - Or accepting the incompatibility Trade-off: Memory buffering vs. correct Parquet support. |
2 weeks ago |