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Tree: 3a5b5ea02c

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

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-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

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v3.33

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seaweedfs/weed/wdclient

History

chrislu 3a5b5ea02c improve: add circuit breaker to skip known-unhealthy filers The previous implementation tried all filers on every failure, including known-unhealthy ones. This wasted time retrying permanently down filers. Problem scenario (3 filers, filer0 is down): - Last successful: filer1 (saved as filerIndex=1) - Next lookup when filer1 fails: Retry 1: filer1(fail) → filer2(fail) → filer0(fail, wastes 5s timeout) Retry 2: filer1(fail) → filer2(fail) → filer0(fail, wastes 5s timeout) Retry 3: filer1(fail) → filer2(fail) → filer0(fail, wastes 5s timeout) Total wasted: 15 seconds on known-bad filer! Solution: Circuit breaker pattern - Track consecutive failures per filer (atomic int32) - Skip filers with 3+ consecutive failures - Re-check unhealthy filers every 30 seconds - Reset failure count on success New behavior: - filer0 fails 3 times → marked unhealthy - Future lookups skip filer0 for 30 seconds - After 30s, re-check filer0 (allows recovery) - If filer0 succeeds, reset failure count to 0 Benefits: 1. Avoids wasting time on known-down filers 2. Still sticks to last healthy filer (via filerIndex) 3. Allows recovery (30s re-check window) 4. No configuration needed (automatic) Implementation details: - filerHealth struct tracks failureCount (atomic) + lastFailureTime - shouldSkipUnhealthyFiler(): checks if we should skip this filer - recordFilerSuccess(): resets failure count to 0 - recordFilerFailure(): increments count, updates timestamp - Logs when skipping unhealthy filers (V(2) level) Example with circuit breaker: - filer0 down, saved filerIndex=1 (filer1 healthy) - Lookup 1: filer1(ok) → Done (0.01s) - Lookup 2: filer1(fail) → filer2(ok) → Done, save filerIndex=2 (0.01s) - Lookup 3: filer2(fail) → skip filer0 (unhealthy) → filer1(ok) → Done (0.01s) Much better than wasting 15s trying filer0 repeatedly!		2 months ago
..
exclusive_locks	ExclusiveLocker only create one renew goroutine (#6269)	1 year ago
net2	convert error fromating to %w everywhere (#6995)	6 months ago
resource_pool	convert error fromating to %w everywhere (#6995)	6 months ago
filer_client.go	improve: add circuit breaker to skip known-unhealthy filers	2 months ago
masterclient.go	fix: restore observability instrumentation in MasterClient	2 months ago
vid_map.go	Fix masterclient vidmap race condition (#7412)	3 months ago
vid_map_test.go	Implement SRV lookups for filer (#4767)	2 years ago
vidmap_client.go	fix: handle partial results correctly in LookupVolumeIdsWithFallback callers	2 months ago