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* fixed XXH3_128Stream so it initializes the state properlyStefan Boberg2024-12-131-1/+30
| | | | the old version is still present for now, with a _deprecated suffix
* projectstore getchunks rpc with modtag (#244)Dan Engelbrecht2024-12-053-1/+8
| | | Feature: Project store "getchunks" rpc call /prj/{project}/oplog/{log}/rpc extended to accept both CAS (RawHash) and Id (Oid) identifiers as well as partial ranges
* Unity build fixes (#253)Stefan Boberg2024-12-051-0/+2
| | | some fixes to make everything build using unity build mode. Mostly moved code from anonymous namespaces into local impl namespace to avoid ambiguity in name resolution.
* reduce memory churn (#248)Stefan Boberg2024-12-021-5/+8
| | | | | * eliminated allocation in SetCurrentThreadName * reduced memory allocator activity in cache RPC response building * reduced allocations in compact binary building
* added support for dynamic LLM tags (#245)Stefan Boberg2024-12-022-9/+26
| | | | | * 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
* split zencore/memory.h -> memoryview.h, memcmp.h (#228)Stefan Boberg2024-11-2512-45/+59
| | | | | | | minor clean-up `zencore/memory.h` used to contain a variety of things including `Malloc` support along with `MemoryView` etc since the memory allocator stuff moved into `zencore/memory/memory.h` there was basically only `MemoryView` and `MemCmp` in there which seemed better to split out into separate headers to avoid overloading `memory.h`
* Insights-compatible memory tracking (#214)Stefan Boberg2024-11-2515-10/+990
| | | | | | | | | | | | | This change introduces support for tracing of memory allocation activity. The code is ported from UE5, and Unreal Insights can be used to analyze the output. This is currently only fully supported on Windows, but will be extended to Mac/Linux in the near future. To activate full memory tracking, pass `--trace=memory` on the commandline alongside `--tracehost=<ip>` or `-tracefile=<path>`. For more control over how much detail is traced you can instead pass some combination of `callstack`, `memtag`, `memalloc` instead. In practice, `--trace=memory` is an alias for `--trace=callstack,memtag,memalloc`). For convenience we also support `--trace=memory_light` which omits call stacks. This change also introduces multiple memory allocators, which may be selected via command-line option `--malloc=<allocator>`: * `mimalloc` - mimalloc (default, same as before) * `rpmalloc` - rpmalloc is another high performance allocator for multithreaded applications which may be a better option than mimalloc (to be evaluated). Due to toolchain limitations this is currently only supported on Windows. * `stomp` - an allocator intended to be used during development/debugging to help track down memory issues such as use-after-free or out-of-bounds access. Currently only supported on Windows. * `ansi` - fallback to default system allocator
* memory/string support cleanup and additions (#220)Stefan Boberg2024-11-195-42/+112
| | | | | | | | | * removed unused memory classes * added align.h alignment helpers used in upcoming changes * added char16_t StringLength * avoid memory alloc in SetCurrentThreadName * added command line parsing helpers to zencore/commandline.h * removed IoBuffer direct VirtualAlloc path
* Improved oplog import/export progress indicator at commandline (#206)Dan Engelbrecht2024-11-061-4/+7
| | | | Nicer progress bar during oplog import/export Verify that oplog has not been deleted from disk behind our back
* workspace share security (#192)Dan Engelbrecht2024-10-232-1/+3
| | | | | | | - Improvement: Reworked workspace shares to be more secure. Workspaces and workspace shares can only be created using the `zen workspace` command, the http endpoint is disabled unless zenserver is started with the `--workspaces-allow-changes` option enabled. - Each workspace are now configured via a `zenworkspaceconfig.json` file in the root of each workspace - A workspace can allow shares to be created via the http interface if the workspace is created with the `--allow-share-create-from-http` option enabled - A new http endpoint at `/ws` - issuing a `Get` operation will get you a list of workspaces - A new http endpoint at `/ws/refresh` - issuing a `Get` will make zenserver scan for edits in workspaces and workspace shares
* fix gc date (#204)Dan Engelbrecht2024-10-221-1/+1
| | | * fix month conversion in ToDateTime
* safer path from handle (#195)Dan Engelbrecht2024-10-161-4/+0
| | | * remove PathFromHandle that throws to give better context on failures
* cache get command (#183)Dan Engelbrecht2024-10-032-0/+2
| | | | * move TryParseObjectId and TryParseIoHash to Oid::TryParse and IoHash::TryParse respectively * zen cache-get command
* optimize startup time (#175)Dan Engelbrecht2024-09-301-4/+4
| | | | | | * 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
* reduce lock time for memcache trim (#171)Dan Engelbrecht2024-09-271-5/+1
| | | | | | | - Improvement: Faster memcache trimming - Reduce calculations while holding bucket lock for memcache trim analysis to reduce contention - When trimming memcache, evict 25% more than required to reduce frequency of trimming - When trimming memcache, don't repack memcache data vector, defer that to regular garbage collection - When trimming memcache, deallocate memcache buffers when not holding exclusive lock in bucket
* gc unused refactor (#165)Dan Engelbrecht2024-09-233-5/+42
| | | | | * optimize IoHash and OId comparisions * refactor filtering of unused references * add attachment filtering to gc
* made fmt formatter format function const (#162)Stefan Boberg2024-09-201-4/+4
| | | this appears to be required as of fmt v11
* gc performance improvements (#160)Dan Engelbrecht2024-09-171-1/+14
| | | | | | | | | | * 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
* zenserver process launch/termination improvements (#138)Dan Engelbrecht2024-08-272-2/+3
| | | | | | * zenserver process launch/termination improvements * fix GetPidStatus to return error code on Linux * fix linux FindProcess() * cleanup IsZombieProcess
* improve logging on main failure (#111)Dan Engelbrecht2024-08-141-2/+2
| | | | | | * add support for indenting callstack output * Explicitly catch option-parse error and reduce log spam on bad parameters * add command line to sentry error reports * log command line at startup
* fix compilation issue with recent VS toolchains (#103)Stefan Boberg2024-08-071-2/+2
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* Make sure we monitor for new project, oplogs, namespaces and buckets during ↵Dan Engelbrecht2024-06-131-0/+10
| | | | | | GCv2 (#93) - Bugfix: Make sure we monitor and include new project/oplogs created during GCv2 - Bugfix: Make sure we monitor and include new namespaces/cache buckets created during GCv2
* cache optimizations (#88)Dan Engelbrecht2024-05-302-2/+15
| | | | | * message formatting optimizations * bump iostorecompression small value threshold to 1MB
* workspace shares (#84)Dan Engelbrecht2024-05-291-0/+2
| | | Feature: New 'workspaces' service which allows a user to share a local folder via zenserver. A workspace can have mulitple workspace shares and they provie an HTTP API that is compatible with the project oplog HTTP API. Workspaces and shares are preserved between runs. Workspaces feature is disabled by default - enable with --workspaces-enabled option when launching zenserver.
* Correctly calculate memory view size from Mid/MidInline function if size is ↵Dan Engelbrecht2024-05-081-2/+8
| | | | not given (#76)
* assert improvements (#72)Dan Engelbrecht2024-05-032-25/+11
| | | | | - Improvement: Asserts gives an immediate ERROR log entry with callstack and reason - Improvement: Asserts flushes the log before sending error report to Sentry
* added logic to change default HTTP server implementation when running on ↵Stefan Boberg2024-05-021-0/+2
| | | | | | Wine (#71) * added logic to change default HTTP server implementation when running on Wine * added log message to inform user about potential problems when running under Wine
* fix zero size attachment replies (#69)Dan Engelbrecht2024-05-021-11/+10
| | | | - Bugfix: Don't try to respond with zero size partial cache value when partial size is zero - Improvement: Added more validation of data read from cache / cas
* use direct file access for large file hash (#63)Dan Engelbrecht2024-04-265-5/+10
| | | - Improvement: Refactor `IoHash::HashBuffer` and `BLAKE3::HashBuffer` to not use memory mapped files. Performs better and saves ~10% of oplog export time on CI
* capture zenserver output on error (#51)Dan Engelbrecht2024-04-181-0/+1
| | | | * capture spawned server output and output on launch error * fix logging and launch validation in tests
* improved lock file handling (#50)Dan Engelbrecht2024-04-181-1/+2
| | | | | | | | | | | | - Feature: `zen down` - --`data-dir` to specify a data directory to deduce which zen instance to bring down - Feature: `zen attach` - --`data-dir` to specify a data directory to deduce which zen instance to attach to222 - Feature: `zen status` - --`port` filter running zen instances based on port - --`data-dir` filter running zen instances based on information in the data directory - Improvement: Trying to load a compact binary object from an empty file no longer causes access violation
* zen startup hardening (#49)Dan Engelbrecht2024-04-171-1/+4
| | | | | | | | | | | | | - Feature: `zen up` command improvements - --`port` allows you to specify a base port when starting an instance - --`base-dir` allows you to specify a base directory for the zenserver executable if it is not located next to the zen.exe executable - Feature: `zen down` - --`port` allows you to specify a base port when shutting down an instance - --`base-dir` allows you to specify a base directory for the zenserver executable if it is not located next to the zen.exe executable - --`force` if regular shutdown fails it tries to find a running zenserver.exe process and terminate it - If it fails to attach to the running server it now waits for it to exit when setting the RequestExit shared memory flag - Improvement: zenserver now checks the RequestExit flag in the shared memory and exist gracefully if it is set - Improvement: When adding a sponsor process to a running zenserver instance, we wait for it to be picked up from the shared memory section to determine success/fail
* Validate input buffer size when trying to parse package message (#47)Dan Engelbrecht2024-04-131-1/+12
| | | | * add validation of input buffer size when trying to parse package message * avoid doing memcopy when parsing package message
* remote project store stats (#44)Dan Engelbrecht2024-04-101-0/+17
| | | | | * add remote oplog store statistics * block chunking when uploading oplog to zenserver (mirroring) * make sure we can move temporary dechunked file into cas store
* improved assert (#37)Dan Engelbrecht2024-04-043-10/+80
| | | | - 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
* add yaml serialization support (#3)Stefan Boberg2024-03-261-2/+30
| | | | | | | this change adds serialization of payloads as YAML, but not parsing. The implementation is somewhat based on the JSON path, and may be collapsed eventually as it is possible to serialize JSON format using the same code it also separates out the JSON serialization into a separate file for ease of maintenance any HTTP request response may be formatted as yaml by using a `.yaml` suffix or an `Accept: text/yaml` header
* harden attach sponsor process (#14)Dan Engelbrecht2024-03-211-1/+1
| | | | | - Improvement: Delay exiting due to no sponsor processes by one second to handle race conditions - Improvement: Safer IsProcessRunning check - Improvement: make sure we can RequestApplicationExit safely from any thread
* improved process monitoring behaviour with invalid pids (#16)Stefan Boberg2024-03-211-0/+1
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* non memory copy compressed range (#13)Dan Engelbrecht2024-03-201-0/+32
| | | | | * Add CompressedBuffer::GetRange that references source data rather than make a memory copy * Use Compressed.CopyRange in project store GetChunkRange * docs for CompressedBuffer::CopyRange and CompressedBuffer::GetRange
* special treatment large oplog attachments v2 (#5)Dan Engelbrecht2024-03-141-4/+6
| | | | | - Bugfix: Install Ctrl+C handler earlier when doing `zen oplog-export` and `zen oplog-export` to properly cancel jobs - Improvement: Add ability to block a set of CAS entries from GC in project store - Improvement: Large attachments and loose files are now split into smaller chunks and stored in blocks during oplog export
* Add WriteMeasuredVarUInt to avoid measuring ints twice before writing (#665)Dan Engelbrecht2024-03-061-9/+37
| | | | Avoid double resize of buffer in CbWriter::SetName and CbWriter::AddBinary Add WriteMeasuredVarUInt to avoid measuring ints twice before writing
* improved block store logging and more gcv2 tests (#659)Dan Engelbrecht2024-02-271-0/+9
| | | | * improved gc/blockstore logging * more gcv2 tests
* hashing fixes (#657)Dan Engelbrecht2024-02-261-0/+12
| | | | | * move structuredcachestore tests to zenstore-test * Don't materialize entire files when hashing if it is a large files * rewrite CompositeBuffer::Mid to never materialize buffers
* Save compressed large attachments to temporary files on disk (#650)Dan Engelbrecht2024-02-121-6/+2
| | | | | | | | | * Save large compressed large attachments to temporary files on disk * bump oplog block max size up to 64Mb again * Make sure CompositeBuffer::AppendBuffers actually moves inputs when it should * removed parallell execution of fetching payload for block assembly it was not actually helping and added complexity * make sure we move/release payload buffers as soon as possible * make sure we don't read in full large attachments to memory when computing hash
* compress large attachments on demand (#647)Dan Engelbrecht2024-02-051-2/+2
| | | | | | | - Improvement: Speed up oplog export by fetching/compressing big attachments on demand - Improvement: Speed up oplog export by batch-fetcing small attachments - Improvement: Speed up oplog import by batching writes of oplog ops - Improvement: Tweak oplog export default block size and embed size limit - Improvement: Add more messaging and progress during oplog import/export
* changed RPC recording to MPSC setup (#638)Stefan Boberg2024-01-311-1/+1
| | | fixes rare race condition when using RPC recording for long periods of time
* jobqueue - allow multiple threads to report progress/messages (#635)Dan Engelbrecht2024-01-221-0/+1
| | | jobqueue - add AbortReason and properly propagate error when running async command
* remove use of <random> in stats (#628)Stefan Boberg2024-01-101-1/+2
| | | | the previous implementation was quite slow due to use of mt and uniform_distribution.
* ensure we can build without trace (#619)Stefan Boberg2023-12-191-0/+1
| | | | `xmake config -zentrace=n` would previously not build cleanly
* various TSAN/ASAN/LeakAnalyzer fixes (#622)Stefan Boberg2023-12-191-1/+6
| | | | | | | | | * fix JobQueue test threading issue. The inner job queued with `QueueJob` would reference `I` from inside the captured closure which would subsequently disappear * made sure application exit is thread safe * don't try to access string data out of bounds * keep-alive flag is accessed from multiple threads * fix memory leaks in Zen upstream client code * TSAN fixes for Event
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