Tree: d045624994

add-ec-vacuum

add_fasthttp_client

add_remote_storage

adding-message-queue-integration-tests

adjust-fsck-cutoff-default

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

copilot/make-renew-interval-configurable

copilot/make-renew-interval-configurable-again

copilot/sub-pr-7677

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

feat/s3-policy-variables-final

feature/mini-port-detection

feature/modernize-s3-tests

filer1_maintenance_branch

fix-GetObjectLockConfigurationHandler

fix-bucket-name-case-7910

fix-mount-http-parallelism

fix-mount-read-throughput-7504

fix-pr-7909

fix-s3-configure-consistency

fix-s3-object-tagging-issue-7589

fix-sts-session-token-7941

fix-versioning-listing-only

ftp

gh-pages

improve-fuse-mount

improve-fuse-mount2

logrus

master

master-split-brain-protection

message_send

mount2

mq-subscribe

mq2

nfs-cookie-prefix-list-fixes

optimize-delete-lookups

original_weed_mount

pr-7412

pr/7984

raft-dual-write

random_access_file

refactor-needle-read-operations

refactor-volume-write

remote_overlay

remove-implicit-directory-handling

revert-5134-patch-1

revert-5819-patch-1

revert-6434-bugfix-missing-s3-audit

s3-remote-cache-singleflight

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

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Commit Graph

1 Commits (d0456249942733d8a05424827e4470472239a286)

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 months ago