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2c510cc30e73d376f098da5bbd9cd7582e80bcd5
17
Commits
| Author | SHA1 | Message | Date | |
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5c92a54a12 |
remote: reuse one guarded remote storage client per configuration (#12189)
* remote: reuse one guarded remote storage client per configuration BuildGuardedRemoteStorageClient (the filer's lazy remote stat and list, remote deletes and renames, the volume server's cold reads, the S3 gateway's remote reads) built a new client, with its own http.Transport, on every call. Each transport kept its connection idle for IdleConnTimeout (60s) and was never reused or closed, so a steady stream of remote lookups held one open connection per request. An endpoint that caps connections per source then refuses every new connection. - remote_storage: GetRemoteStorage's per-name cache becomes a bounded LRU (WEED_REMOTE_CLIENT_CACHE_MAX, default 64) keyed by kind, name, a hash of the whole configuration and a credentials version, built outside the lock once per key (singleflight) from a copy of the configuration. A client leaving the cache has its idle connections closed. GetRemoteStorageWith exposes the cache to other builders. - BuildGuardedRemoteStorageClient caches the guarded client per configuration. The endpoint is checked against the deny-list when a client is built; every new connection still dials through the guarded dialer. A gcs credentials file, and for an S3-compatible remote using the default credential chain the shared credentials file and AWS_* variables, are part of the key by content. - The shared transport keeps 32 idle connections per host, caps connections per host (WEED_REMOTE_MAX_CONNS_PER_HOST, default 64) and has dial, TLS handshake and response header deadlines, so a hung remote frees its slots. - The filer drops the clients of removed remotes (and all but the newest client per name) on every /etc/remote reload, also when /etc/remote does not exist; reloads are serialized. * remote: drop clients whose build spans a reload or whose remote is gone * server: hash the shared AWS config file into the guarded credential version * server: bound a stalled body on the shared remote transport * remote: waive path-injection on the configured credentials file * remote: keep caching remotes the local filer does not name * remote: drop the inline codeql waiver the analyzer ignores * remote: version the plain gcs client's credentials file * remote: hash the environment's inline gcs credentials GOOGLE_APPLICATION_CREDENTIALS can hold the JSON itself, which the gcs client accepts; it is not in the configuration hash, so a changed value kept the old client. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * remote: version the well-known gcs credentials file With neither the configuration nor GOOGLE_APPLICATION_CREDENTIALS set, the SDK reads application_default_credentials.json; rotating it left the cache key unchanged and the old client behind. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * remote: share the gcs credentials version with the guarded client The guarded gcs client resolves the same environment and well-known credentials as the plain one; keying it only on a configured path left those rotations invisible to the cache. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * remote: version s3 keys resolved from the environment A remote whose access and secret keys both arrive through its type's environment fallback (aliyun, baidu, contabo, filebase, storj, tencent) never entered the default-chain branch of guardedCredentialsVersion, so an in-process environment change kept serving the stale cached client. The version now hashes the resolved keys for every S3-compatible remote. * volume: reuse one remote storage client per configuration (rust) fetch_and_write_needle built a fresh aws_sdk_s3::Client per request, so every cold read kept its connector's idle connections without ever reusing them — the same leak the Go side fixes. Cache clients keyed by the configuration's protobuf encoding in an LRU of WEED_REMOTE_CLIENT_CACHE_MAX entries (default 64), mirroring weed/remote_storage/client_cache.go. An evicted entry drops the client's last Arc and with it the connector's idle connections. The per-request endpoint validation is unchanged: Rust has no dial-time guard yet, so the up-front DNS check stays on every call. --------- Co-authored-by: user.email <chrislusf@users.noreply.github.com> Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> |
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Chris LuandDevin
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2f6c237238 |
filer: keep lazy remote reads from resurrecting deleted paths (#11452)
* filer: keep lazy remote reads from resurrecting deleted paths Under a remote mount with filer.remote.sync as write-back, a path that was deleted or renamed away could come back as a chunkless remote-only entry: between the local delete and the daemon's remote delete, a store miss made maybeLazyFetchFromRemote trust a bucket that was behind the filer. The ghost then outlived the remote object -- HEAD answered 200, GET failed, and nothing cleaned it up. The filer now tombstones paths it deletes under a remote mount, learned both synchronously from its own delete path and from peer metadata events. The lazy fetch and the lazy listing skip a tombstoned path until the path is written again, until the mount's persisted write-back sync offset has passed the delete event (the remote delete has landed), or until a generous TTL covers a mount without a daemon. Fixes #11440 Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: cover recursive remote deletes with an ancestor tombstone A recursive delete now records the directory tombstone before walking children, so a partial traversal or a store that drops the subtree without listing it still leaves every descendant covered. Directory tombstones also subsume older descendant entries on add, descendant adds covered by a standing ancestor are skipped, and an existing tombstone can be refreshed even at capacity. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: scope remote tombstones to the deleted object's generation A remote object whose own mtime postdates the local delete is a new generation, not the one the tombstone hides, so a recreated directory can surface remote writes made after its delete while old-generation objects stay hidden. Lazy fetch now stats the remote object before deciding, listings pass each child's remote mtime, and a sync offset releases a tombstone once it reaches the delete's own timestamp. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: rebuild remote deletion tombstones after restart In-memory tombstones are lost on restart while remote write-back offsets persist, so a filer boot replays the persisted metadata log from the oldest mount offset and folds deletes back into the tombstone set through the same event handler. Lazy remote reads hold off while the replay runs so a pending delete cannot resurrect in the gap. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: release remote tombstones only after their delete event lands The write-back offset orders against event timestamps, but the synchronous delete path recorded tombstones with the local clock before its event was emitted — a later unrelated event could already have pushed the mount's watermark past that guess, releasing the tombstone before the daemon applied the delete. Tombstones recorded ahead of their event are now marked pending and can only be lifted by the event confirming them or by TTL; event-stamped tombstones release through the offset as before. The remote-mtime generation bypass is dropped: remote and filer clocks are independent, and a pending remote delete removes whatever object sits at the path, so a "newer" remote object would only resurrect as a phantom. Tombstoned lookups now skip the remote stat entirely. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: drop dir tombstone when recursive delete fails before listing The ancestor tombstone is recorded before the child listing; if that listing fails nothing was deleted, and the leftover tombstone would hide still-existing remote children for the whole TTL. Tombstones for children already deleted stay, since their remote deletes are still owed. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: block lazy remote reads on startup tombstone rebuild The rebuild gate is now a done-channel set synchronously before the replay goroutine starts, so no lazy read can slip through in between. Reads wait on it with context cancellation instead of returning an empty miss that makes remote-only objects look deleted. The replay start is floored at now-TTL: mounts without a recorded write-back offset previously replayed the whole persisted history, and events older than the TTL would only build already-expired tombstones. The gate check now runs after the mount lookup so replaying the meta log's own directory listings does not deadlock on the gate, and the replay retries with backoff until it succeeds instead of failing open. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: mark restamped tombstone pending until its delete event lands When a local delete raises an existing tombstone's timestamp, the new value is only a local clock guess ahead of that delete's event. Leaving the tombstone un-pending lets a write-back offset release it before the event is actually consumed, reopening the resurrection window. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: bound tombstone replay to the tombstone TTL Persisted-log replay retried forever, keeping lazy remote reads gated indefinitely when the log cannot be read. Cap retries at the tombstone TTL measured from replay start: past that point every tombstone would have expired anyway, so opening the gate loses no protection. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: re-check deletion tombstone before persisting lazy fetch A delete landing while StatFile is in flight passed the earlier tombstone check but still persisted the fetched entry, resurrecting a path whose remote delete is pending. Re-check right before CreateEntry. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: retract a lazily persisted entry when a delete raced the insert The pre-insert tombstone check still leaves a window between the check and the store insert. Since deletes always record the tombstone before removing the entry, a tombstone visible right after a successful insert means the delete already ran: delete the entry back out so the tombstoned path stays deleted. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: note why the replay deadline can safely open the gate Deletes made after startup are captured by the live delete and event paths, so a stalled replay can only be missing pre-restart deletes, all of which are past the tombstone TTL by the deadline. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: retract only the entry a lazy remote read materialized Deleting by path after a raced delete could remove a legitimate rewrite that replaced the fetched entry. Verify the stored entry still matches the remote object (or the just-created directory shape) before deleting, and apply the same post-insert check to lazy listing children. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> * filer: require full-entry equality before retracting a lazy entry Remote-only matching still removed a write that had updated the fetched entry, e.g. appended chunks. Compare the persisted entry against what this read materialized; any change means a real update owns the path. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> --------- Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com> |
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Chris Lu
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38c14d3c13 |
filer: apply SSRF guard to the lazy-remote fetch/list/delete paths (#11294)
* filer: add guarded remote-storage client builder hook for lazy fetch The lazy-remote fetch path (maybeLazyFetchFromRemote) resolved its remote-storage client through the unguarded shared cache, bypassing the SSRF chokepoint (BuildGuardedRemoteStorageClient) that the CVE-2026-73080 remediation wired into the volume, filer stream and s3 stream dial paths. Add a RemoteStorageClientBuilder hook on Filer plus conf-only lookups on FilerRemoteStorage, and route the lazy fetch through the builder when set (endpoint deny-list + DNS-rebinding-safe dialer), falling back to the shared cache otherwise. The filer server wires the builder in a follow-up. * filer: route lazy directory listing through the guarded remote client maybeLazyListFromRemote shared the unguarded client resolution of the fetch path, so a caller-supplied remote endpoint was dialed without the SSRF deny-list or rebinding-safe dialer. Resolve the conf and build the client through buildRemoteStorageClient so the same guard covers listing. * filer: route lazy remote delete through the guarded remote client maybeDeleteFromRemote issued outbound DELETE/RemoveDirectory requests through the unguarded client, giving a write-side SSRF to a caller-chosen endpoint. Resolve the conf and build the client through buildRemoteStorageClient so the endpoint deny-list and rebinding-safe dialer apply to the delete path as well. * filer server: wire the guarded remote client builder into the filer Set Filer.BuildGuardedRemoteClient to BuildGuardedRemoteStorageClient and forward AllowUntrustedRemoteEndpoints so the lazy-remote fetch, list and delete paths apply the same SSRF endpoint checks as the volume and streaming read paths. * filer: test lazy fetch honors the guarded remote client builder Add a regression test that sets BuildGuardedRemoteClient to a rejecting builder and asserts maybeLazyFetchFromRemote returns no entry without reaching the remote, covering the SSRF guard wired in the prior commits. * filer: skip remote client for local-only lazy deletes maybeDeleteFromRemote resolved and validated the mount's remote client before checking entry.Remote, so a local-only file (no Remote entry) under a mount whose endpoint the guard rejects failed to delete: the guard error aborted the metadata deletion, leaving a file that needs no remote operation undeletable. Move the local-only check ahead of client construction so only remote-backed files and directories pay the guard. * filer: build the guarded remote client inside the lazy singleflight The lazy fetch and list paths built the guarded client before their singleflight blocks, so concurrent requests for the same key each allocated a fresh SDK client and HTTP transport even though only one remote operation ran. Move client construction inside the singleflight so the deduplicated operation builds it once, matching the per-request guard semantics of the sibling streaming paths without the duplicate transport churn. * filer: test guarded rejection for the lazy list and delete paths Add regression tests that set BuildGuardedRemoteClient to a rejecting builder and assert the lazy list does not reach the remote, a remote-backed file delete is blocked, and a local-only file under a rejected mount still deletes (covering the local-only fix). * filer: decouple lazy guarded-client build from the first caller's context Building the guarded client inside the singleflight made concurrent fetches share the first caller's context. If that caller canceled while endpoint DNS validation was running, the builder returned an error and published a not-found result to other callers whose contexts were still valid. Build with context.WithoutCancel so the guard's DNS validation is not tied to any single caller's cancellation, matching the list path's existing decoupling for the remote operation itself. * filer: reject remote-storage confs that dial blocked endpoints at load The filer's lazy-fetch / lazy-list / remote-delete paths resolve remote storage clients by name from FilerRemoteStorage.storageNameToConf and dial them via remote_storage.GetRemoteStorage, which bypasses the SSRF deny-list the volume server (BuildGuardedRemoteStorageClient) and the filer's own direct-read path apply. A RemoteConf planted under /etc/remote with a loopback / private / IMDS S3 endpoint is reloaded into storageNameToConf on the next metadata-change event and then dialed on the next cache miss — server-side request forgery from the filer. Apply the volume server's SSRF deny-list at conf load time, the single chokepoint that populates storageNameToConf: - Add RemoteStorageConfValidator, injected into FilerRemoteStorage by the filer server (the filer package cannot import the server package). A conf that fails validation is dropped from storageNameToConf, so the name-based client resolution on the lazy paths returns "not found" instead of dialing the blocked endpoint. - Add ValidateRemoteConfForLoad in weed_server, which mirrors BuildGuardedRemoteStorageClient's gcs credential + endpoint checks (validateRemoteEndpoint via guardedRemoteClient) without building a client. allowUntrusted skips the check, mirroring the volume server opt-out (-filer.allowUntrustedRemoteEndpoints). - The filer server injects the validator at construction. A conf whose type dials a fixed provider host (no caller-supplied endpoint) passes; only caller-influenced endpoints are denied. * filer: skip DNS resolution in the load-time SSRF validator ValidateRemoteConfForLoad resolved hostnames during /etc/remote reload, so a transient DNS failure (2s timeout) dropped the conf from the fresh map that replaces the live map, disabling a working mount until the next metadata event. The build-time guard (BuildGuardedRemoteStorageClient) already re-resolves and re-validates the endpoint at dial time with the rebinding-safe dialer, so DNS at load is redundant for security. Split the static checks (scheme, IMDS hostnames, IP-literal blocked addresses, gcs credentials) into validateRemoteEndpointForLoad, which does no DNS. Hostname endpoints pass at load and are caught at dial if they resolve to a blocked address. This preserves fail-fast for statically-blocked confs (loopback IPs, IMDS hostnames) without letting transient DNS failures disable mounts. * filer: accept empty S3 endpoints in the guarded remote client builder guardedRemoteClient returned ok=true with an empty endpoint for a standard AWS S3 config (no custom S3Endpoint), so BuildGuardedRemoteStorageClient and ValidateRemoteConfForLoad rejected it with "remote endpoint is empty" — breaking standard AWS S3 mounts on the lazy paths and the sibling streaming read paths that already use the guarded builder. An empty endpoint is not caller-supplied: the AWS SDK derives the regional endpoint from the region, so there is nothing for the SSRF guard to validate. Return ok=false for empty S3-compatible endpoints so the builder falls through to the shared unguarded cache, matching the historical behavior for standard AWS S3. |
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Da.SanchezandChris Lu
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68a23a4b3c |
filer: stop remote.unmount from deleting the remote objects (#10811)
* filer: add filer.options.disable_remote_storage_deletion for cache-only deletes Deleting a filer entry under a remote.mount path also deletes the backing object from the remote store (maybeDeleteFromRemote). Deployments that use a remote mount as a read-through cache in front of an authoritative, externally-managed object store cannot allow this: the filer typically holds read-only credentials, so the remote delete fails and the entire delete errors out; and even where it would succeed, it destroys data the filer does not own. Add filer.options.disable_remote_storage_deletion (default false, so existing behaviour is unchanged). When enabled, maybeDeleteFromRemote is skipped for both single-entry and recursive folder deletes: local metadata and cached chunks are still removed, but the remote object is left intact. * filer: assert local removal in cache-only recursive delete test The recursive cache-only delete test only checked that no remote delete happened; it did not verify the local child and directory entries were removed. Add FindEntry assertions so a regression that skips local recursive deletion is caught. * filer: reload the remote mount mapping when /etc/remote changes The mapping was only read at startup, so remote.unmount left the mount live in the filer: the purge that follows the mapping delete then went to the remote store and wiped every object under the mount. Rebuild the rules trie and the conf map from scratch on each load, since ptrie cannot drop a key, and swap them under a lock. * filer: drop the filer-wide remote deletion switch With the mapping reloaded on unmount, the purge no longer reaches the remote store, so there is nothing left for the switch to protect against. --------- Co-authored-by: Chris Lu <chris.lu@gmail.com> |
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Chris Lu
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db5a086d04 |
read cold remote objects straight from the origin while caching (#10731)
* refactor: extract remote mount resolution into shared helpers * refactor: share the adaptive remote cache wait policy * filer: stream cold remote reads from the origin while caching * s3: stream cold remote reads from the origin instead of 503 retries * test: cover the S3 origin stream-through path * remote mounts: match on path components and prefer the longest mount * fail short origin streams instead of silently truncating * s3: try the origin before failing a cold read on a local cache error * s3: gate origin streaming on the entry's resolved version * return the cache RPC's NotFound as a canonical status and classify it everywhere * filer: keep multipart-range cold reads on the retry path |
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Chris Lu
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f9311a3422 |
s3api: fix static IAM policy enforcement after reload (#8532)
* s3api: honor attached IAM policies over legacy actions * s3api: hydrate IAM policy docs during config reload * s3api: use policy-aware auth when listing buckets * credential: propagate context through filer_etc policy reads * credential: make legacy policy deletes durable * s3api: exercise managed policy runtime loader * s3api: allow static IAM users without session tokens * iam: deny unmatched attached policies under default allow * iam: load embedded policy files from filer store * s3api: require session tokens for IAM presigning * s3api: sync runtime policies into zero-config IAM * credential: respect context in policy file loads * credential: serialize legacy policy deletes * iam: align filer policy store naming * s3api: use authenticated principals for presigning * iam: deep copy policy conditions * s3api: require request creation in policy tests * filer: keep ReadInsideFiler as the context-aware API * iam: harden filer policy store writes * credential: strengthen legacy policy serialization test * credential: forward runtime policy loaders through wrapper * s3api: harden runtime policy merging * iam: require typed already-exists errors |
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Peter Dodd
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16f2269a33 |
feat(filer): lazy metadata pulling (#8454)
* Add remote storage index for lazy metadata pull Introduces remoteStorageIndex, which maintains a map of filer directory to remote storage client/location, refreshed periodically from the filer's mount mappings. Provides lazyFetchFromRemote, ensureRemoteEntryInFiler, and isRemoteBacked on S3ApiServer as integration points for handler-level work in a follow-up PR. Nothing is wired into the server yet. Made-with: Cursor * Add unit tests for remote storage index and wire field into S3ApiServer Adds tests covering isEmpty, findForPath (including longest-prefix resolution), and isRemoteBacked. Also removes a stray PR review annotation from the index file and adds the remoteStorageIdx field to S3ApiServer so the package compiles ahead of the wiring PR. Made-with: Cursor * Address review comments on remote storage index - Use filer_pb.CreateEntry helper so resp.Error is checked, not just the RPC error - Extract keepPrev closure to remove duplicated error-handling in refresh loop - Add comment explaining availability-over-consistency trade-off on filer save failure Made-with: Cursor * Move lazy metadata pull from S3 API to filer - Add maybeLazyFetchFromRemote in filer: on FindEntry miss, stat remote and CreateEntry when path is under a remote mount - Use singleflight for dedup; context guard prevents CreateEntry recursion - Availability-over-consistency: return in-memory entry if CreateEntry fails - Add longest-prefix test for nested mounts in remote_storage_test.go - Remove remoteStorageIndex, lazyFetchFromRemote, ensureRemoteEntryInFiler, doLazyFetch from s3api; filer now owns metadata operations - Add filer_lazy_remote_test.go with tests for hit, miss, not-found, CreateEntry failure, longest-prefix, and FindEntry integration Made-with: Cursor * Address review: fix context guard test, add FindMountDirectory comment, remove dead code Made-with: Cursor * Nitpicks: restore prev maker in registerStubMaker, instance-scope lazyFetchGroup, nil-check remoteEntry Made-with: Cursor * Fix remotePath when mountDir is root: ensure relPath has leading slash Made-with: Cursor * filer: decouple lazy-fetch persistence from caller context Use context.Background() inside the singleflight closure for CreateEntry so persistence is not cancelled when the winning request's context is cancelled. Fixes CreateEntry failing for all waiters when the first caller times out. Made-with: Cursor * filer: remove redundant Mode bitwise OR with zero Made-with: Cursor * filer: use bounded context for lazy-fetch persistence Replace context.Background() with context.WithTimeout(30s) and defer cancel() to prevent indefinite blocking and release resources. Made-with: Cursor * filer: use checked type assertion for singleflight result Made-with: Cursor * filer: rename persist context vars to avoid shadowing function parameter Made-with: Cursor |
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promalertandChris Lu
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9012069bd7 |
chore: execute goimports to format the code (#7983)
* chore: execute goimports to format the code Signed-off-by: promalert <promalert@outlook.com> * goimports -w . --------- Signed-off-by: promalert <promalert@outlook.com> Co-authored-by: Chris Lu <chris.lu@gmail.com> |
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36a1cf0361 |
chore(deps): bump github.com/viant/ptrie from 0.3.1 to 1.0.1 (#5552)
* chore(deps): bump github.com/viant/ptrie from 0.3.1 to 1.0.1 Bumps [github.com/viant/ptrie](https://github.com/viant/ptrie) from 0.3.1 to 1.0.1. - [Release notes](https://github.com/viant/ptrie/releases) - [Changelog](https://github.com/viant/ptrie/blob/master/CHANGELOG.md) - [Commits](https://github.com/viant/ptrie/compare/v0.3.1...v1.0.1) --- updated-dependencies: - dependency-name: github.com/viant/ptrie dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> * fix compilation --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com> Co-authored-by: chrislu <chris.lu@gmail.com> |
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chrislu
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81fdf3651b | grpc connection to filer add sw-client-id header | ||
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chrislu
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eaeb141b09 | move proto package | ||
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chrislu
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26dbc6c905 | move to https://github.com/seaweedfs/seaweedfs | ||
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chrislu
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9f9ef1340c |
use streaming mode for long poll grpc calls
streaming mode would create separate grpc connections for each call. this is to ensure the long poll connections are properly closed. |
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Chris Lu
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e5fc35ed0c | change server address from string to a type | ||
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Chris Lu
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28f45f8fa6 | re-org | ||
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Chris Lu
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c3db389e42 | refactor | ||
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Chris Lu
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e9ce099453 | rename |