Tree:
8e5f1d60ee
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
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
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 (8e5f1d60ee8caad4910354663d1643e054e7fab3)
| Author | SHA1 | Message | Date |
|---|---|---|---|
chrislu
|
8e5f1d60ee |
docs: comprehensive analysis of persistent 78-byte Parquet issue
After Parquet 1.16.0 upgrade: - Error persists (EOFException: 78 bytes left) - File sizes changed (684→693, 696→705) but SAME 78-byte gap - Footer IS being written (logs show complete write sequence) - All bytes ARE stored correctly (perfect consistency) Conclusion: This is a systematic offset calculation error in how Parquet calculates expected file size, not a missing data problem. Possible causes: 1. Page header size mismatch with Snappy compression 2. Column chunk metadata offset error in footer 3. FSDataOutputStream position tracking issue 4. Dictionary page size accounting problem Recommended next steps: 1. Try uncompressed Parquet (remove Snappy) 2. Examine actual file bytes with parquet-tools 3. Test with different Spark version (4.0.1) 4. Compare with known-working FS (HDFS, S3A) The 78-byte constant suggests a fixed structure size that Parquet accounts for but isn't actually written or is written differently. |
7 days ago |