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* missing chunks bugfix (#424)Dan Engelbrecht2025-06-091-16/+37
| | | | | | | | | | | * make sure to close log file when resetting log * drop entries that refers to missing blocks * Don't scrub keys that has been rewritten * currectly count added bytes / m_TotalSize * fix negative sleep time in BlockStoreFile::Open() * be defensive when fetching log position * append to log files *after* we updated all state successfully * explicitly close stuff in destructors with exception catching * clean up empty size block store files
* add missing flush inblockstore compact (#411)Dan Engelbrecht2025-05-301-11/+67
| | | | - Bugfix: Flush the last block before closing the last new block written to during blockstore compact. UE-291196 - Feature: Drop unreachable CAS data during GC pass. UE-291196
* faster oplog validate (#408)Dan Engelbrecht2025-05-301-5/+42
| | | Improvement: Faster oplog validate to reduce GC wall time and disk I/O pressure
* optimize block store CompactBlocks (#384)Dan Engelbrecht2025-05-071-14/+19
| | | | | - Improvement: Optimize block compact reducing memcpy operations - Improvement: Handle padding of block store blocks when compacting to avoid excessive flusing of write buffer - Improvement: Handle padding when writing oplog index snapshot to avoid unnecessary flushing of write buffer
* iterate chunks crash fix (#376)Dan Engelbrecht2025-05-021-10/+21
| | | * Bugfix: Add explicit lambda capture in CasContainer::IterateChunks to avoid accessing state data references
* long filename support (#330)Dan Engelbrecht2025-03-311-9/+9
| | | - Bugfix: Long file paths now works correctly on Windows
* zen build cache service (#318)Dan Engelbrecht2025-03-261-1/+1
| | | | | | | | | - **EXPERIMENTAL** `zen builds` - Feature: `--zen-cache-host` option for `upload` and `download` operations to use a zenserver host `/builds` endpoint for storing build blob and blob metadata - Feature: New `/builds` endpoint for caching build blobs and blob metadata - `/builds/{namespace}/{bucket}/{buildid}/blobs/{hash}` `GET` and `PUT` method for storing and fetching blobs - `/builds/{namespace}/{bucket}/{buildid}/blobs/putBlobMetadata` `POST` method for storing metadata about blobs - `/builds/{namespace}/{bucket}/{buildid}/blobs/getBlobMetadata` `POST` method for fetching metadata about blobs - `/builds/{namespace}/{bucket}/{buildid}/blobs/exists` `POST` method for checking existance of blobs
* Add multithreading directory scanning in core/filesystem (#277)Dan Engelbrecht2025-01-221-2/+3
| | | | | | add DirectoryContent::IncludeFileSizes add DirectoryContent::IncludeAttributes add multithreaded GetDirectoryContent use multithreaded GetDirectoryContent in workspace folder scanning
* batch fetch record cache values (#266)Dan Engelbrecht2024-12-171-2/+7
| | | | | | - Improvement: Batch fetch record attachments when appropriate - Improvement: Reduce memory buffer allocation in BlockStore::IterateBlock - Improvement: Tweaked BlockStore::IterateBlock logic when to use threaded work (at least 4 chunks requested) - Bugfix: CasContainerStrategy::IterateChunks could give wrong payload/index when requesting 1 or 2 chunks
* added support for dynamic LLM tags (#245)Stefan Boberg2024-12-021-0/+19
| | | | | * added FLLMTag which can be used to register memory tags outside of core * changed `UE_MEMSCOPE` -> `ZEN_MEMSCOPE` for consistency * instrumented some subsystems with dynamic tags
* use plain sorted array instead of map of vectors (#237)Dan Engelbrecht2024-11-271-18/+26
| | | | | * use plain sorted array instead of map of vectors * reserve vectors up front = 5% perf increase * don't do batch read of chunks if we have a single chunk -> 1% perf gain
* caller controls threshold for bulk-loading chunks in IterateChunks (#222)Dan Engelbrecht2024-11-251-1/+2
| | | | | | * Allow caller to control threshold for bulk-loading chunks in IterateChunks * use smaller batch chunk reading for /fileinfos and /chunkinfos as we do not intend to read the payload * use smaller batch read buffer when just querying for size of attachments
* don't read chunks into memory during cache batch fetch unless we may cache ↵Dan Engelbrecht2024-10-091-12/+12
| | | | | them in memory (#188) * Don't read chunks into memory during cache batch fetch unless we may cache them in memory
* remove gc v1 (#121)Dan Engelbrecht2024-10-031-631/+17
| | | | | * kill gc v1 * block use of gc v1 from zen command line * warn and flip to gcv2 if --gc-v2=false is specified for zenserver
* gc block size target max size (#180)Dan Engelbrecht2024-10-021-8/+31
| | | | | | * If a block is small (less than half max size) we add it to blocks to compact Sort blocks when iterating over them * do compact of block stores even if no new unused are found * do compact phase even if bucket is empty
* optimize startup time (#175)Dan Engelbrecht2024-09-301-15/+5
| | | | | | * use tsl::robin_set for BlockIndexSet don't calculate full block location when only block index is needed * don't copy visitor function * reserve space for attachments
* exception safety when writing block (#168)Dan Engelbrecht2024-09-251-10/+8
| | | | * make sure we always clear writing block from m_ActiveWriteBlocks even if we have an exception
* gc performance improvements (#160)Dan Engelbrecht2024-09-171-3/+3
| | | | | | | | | | * optimized ValidateCbUInt * optimized iohash comparision * replace unordered set/map with tsl/robin set/map in blockstore * increase max buffer size when writing cache bucket sidecar * only store meta data for files < 4Gb * faster ReadAttachmentsFromMetaData * remove memcpy call in BlockStoreDiskLocation * only write cache bucket state to disk if GC deleted anything
* oplog index snapshots (#140)Dan Engelbrecht2024-09-031-0/+2
| | | - Feature: Added project store oplog index snapshots for faster opening of oplog - opening oplogs are roughly 10x faster
* meta info store (#75)Dan Engelbrecht2024-08-301-7/+147
| | | | - Feature: Added option `--gc-cache-attachment-store` which caches referenced attachments in cache records on disk for faster GC - default is `false` - Feature: Added option `--gc-projectstore-attachment-store` which caches referenced attachments in project store oplogs on disk for faster GC - default is `false`
* prevent new block in gc (#118)Dan Engelbrecht2024-08-151-1/+1
| | | * make sure we don't reset write-pos for new block for each block iterated
* Skip chunk in block stores when iterating a block if the location is out of ↵Dan Engelbrecht2024-08-121-2/+7
| | | | range (#109)
* don't assert that we have moved bytes if source block is zero size (#97)Dan Engelbrecht2024-06-141-1/+2
| | | | * don't assert that we have moved bytes if source block is zero size * handle invalid session ids gracefully
* add batching of CacheStore requests for GetCacheValues/GetCacheChunks (#90)Dan Engelbrecht2024-06-041-14/+40
| | | | | | * cache file size of block on open * add ability to control size limit for small chunk callback when iterating block * Add batch fetch of cache values in the GetCacheValues request
* refactor BlockStore IterateChunks (#77)Dan Engelbrecht2024-05-171-189/+196
| | | Improvement: Refactored IterateChunks to allow reuse in diskcachelayer and hide public GetBlockFile() function in BlockStore
* iterate cas chunks (#59)Dan Engelbrecht2024-04-241-83/+122
| | | - Improvement: Reworked GetChunkInfos in oplog store to reduce disk thrashing and improve performance
* InsertChunks for CAS store (#55)Dan Engelbrecht2024-04-221-0/+163
| | | - Improvement: Add batching when writing multiple small chunks to block store - decreases I/O load significantly on oplog import
* gc v2 disk freed space fix and oplog stats report improvement (#45)Dan Engelbrecht2024-04-151-10/+15
| | | | | - Bugfix: Correctly calculate size freed/data moved from blocks in GCv2 - Improvement: Reduced details in remote store stats for oplog export/import to user - Improvement: Transfer speed for oplog export/import is now an overall number rather than average of speed per single request
* improved assert (#37)Dan Engelbrecht2024-04-041-3/+3
| | | | - Improvement: Add file and line to ASSERT exceptions - Improvement: Catch call stack when throwing assert exceptions and log/output call stack at important places to provide more context to caller
* validate rpc chunk responses (#36)Dan Engelbrecht2024-04-031-1/+5
| | | * Validate size of found chunks in cas/cache
* add disk caching to block move (#661)Dan Engelbrecht2024-02-271-23/+36
| | | * add disk caching to block move
* improved block store logging and more gcv2 tests (#659)Dan Engelbrecht2024-02-271-16/+52
| | | | * improved gc/blockstore logging * more gcv2 tests
* Add retry with optional resume logic to HttpClient::Download (#639)Dan Engelbrecht2024-01-241-80/+84
| | | | | | | - Improvement: Refactored Jupiter upstream to use HttpClient - Improvement: Added retry and resume logic to HttpClient - Improvement: Added authentication support to HttpClient - Improvement: Clearer logging in GCV2 compact of FileCas/BlockStore - Improvement: Size details in oplog import logging
* Fix crash bug when trying to inspect non-open block file in GC (#614)Dan Engelbrecht2023-12-181-7/+19
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* log each block that is compacted (#613)Dan Engelbrecht2023-12-151-0/+5
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* skip invalid chunks when reclaiming space in block store (#607)Dan Engelbrecht2023-12-131-0/+13
| | | * skip invalid chunks when reclaiming space in block store
* improve trace (#606)Dan Engelbrecht2023-12-131-0/+6
| | | | | * Adding some more trace scopes for better visiblity * Removed spammy trace scope when replaying oplogs * Remove "::Disk" from trace scopes - redundant now that we have merge disk and memory layers
* reserve vectors in gcv2 upfront / load factor for robin_map (#582)Dan Engelbrecht2023-12-041-14/+17
| | | | | * reserve vectors in gcv2 upfront * set max load factor for robin_map indexes to reduce memory usage * set min load factor for robin_map indexes to allow them to shrink
* use 32 bit offset and size in BlockStoreLocation (#581)Dan Engelbrecht2023-12-011-18/+23
| | | - Improvement: Reduce memory usage in GC and diskbucket flush
* add separate PreCache step for GcReferenceChecker (#578)Dan Engelbrecht2023-12-011-0/+11
| | | | | | - Improvement: GCv2: Use separate PreCache step to improve concurrency when checking references - Improvement: GCv2: Improved verbose logging - Improvement: GCv2: Sort chunks to read by block/offset when finding references - Improvement: GCv2: Exit as soon as no more unreferenced items are left
* gcv2 tests for project store and bugfixes (#571)Dan Engelbrecht2023-11-271-0/+4
| | | * gcv2 tests for project store and bugfixes
* optimized index snapshot reading/writing (#561)Stefan Boberg2023-11-271-6/+25
| | | | | the previous implementation of in-memory index snapshots serialise data to memory before writing to disk and vice versa when reading. This leads to some memory spikes which end up pushing useful data out of system cache and also cause stalls on I/O operations. this change moves more code to a streaming serialisation approach which scales better from a memory usage perspective and also performs much better
* Add GC Cancel/Stop (#568)Dan Engelbrecht2023-11-241-114/+141
| | | | - GcScheduler will now cancel any running GC when it shuts down. - Old GC is rather limited in *when* it reacts to cancel of GC. GCv2 is more responsive.
* compact separate for gc referencer (#533)Dan Engelbrecht2023-11-211-21/+86
| | | | | - Refactor GCV2 so GcReferencer::RemoveExpiredData returns a store compactor, moving out the actual disk work from deleting items in the index. - Refactor GCV2 GcResult to reuse GcCompactStoreStats and GcStats - Make Compacting of stores non-parallell to not eat all the disk I/O when running GC
* don't try to close NewBlockFile if it hasn't been created (#523)Dan Engelbrecht2023-11-081-1/+1
| | | * Don't try to close NewBlockFile if it hasn't been created
* gc v2 tests (#512)Dan Engelbrecht2023-11-061-29/+306
| | | | | | | | | | * set MaxBlockCount at init * properly calculate total size * basic blockstore compact blocks test * correct detection of block swap * Use one implementation for CreateRandomBlob * reduce some data sets to increase speed of tests * reduce test time * rename BlockStoreCompactState::AddBlock -> BlockStoreCompactState::IncludeBlock
* New GC implementation (#459)Dan Engelbrecht2023-10-301-0/+190
| | | - Feature: New garbage collection implementation, still in evaluation mode. Enabled by `--gc-v2` command line option
* added missing includes (#504)Stefan Boberg2023-10-271-0/+1
| | | | | this change adds some includes to files which "inherit" includes from elsewhere this was exposed on another branch when removing some heavy dependencies from central headers
* Remove any unreferenced blocks in block store on open (#492)Dan Engelbrecht2023-10-231-4/+21
| | | * Remove any unreferenced blocks in block store on open
* Don't prune block locations due to missing blocks a startup (#487)Dan Engelbrecht2023-10-201-39/+90
| | | | | | * Don't prune block locations due to missing blocks a startup This makes the behaviour consistent with FileCas - you can have an index that is not fully backed by data. Asking for a location that is not backed by data results in getting an empty result back Also, don't try to GC blocks that are unknown to the block store at the time of snapshot (to avoid removing data that comes in after GatherReferences in GC)
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