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* add multirange requests to blob store (#795)Dan Engelbrecht12 days1-19/+95
| | | * add multirange requests to blob store
* HttpService/Frontend improvements (#782)Stefan Boberg2026-02-251-0/+9
| | | | | | | - zenhttp: added `GetServiceUri()`/`GetExternalHost()` - enables code to quickly generate an externally reachable URI for a given service - frontend: improved Uri handling (better defaults) - added support for 404 page (to make it easier to find a good URL)
* use partial blocks for oplog import (#780)Dan Engelbrecht2026-02-241-6/+27
| | | | | Feature: Add --allow-partial-block-requests to zen oplog-import Improvement: zen oplog-import now uses partial block requests to reduce download size Improvement: Use latency to Cloud Storage host and Zen Cache host when calculating partial block requests
* Various bug fixes (#778)Stefan Boberg2026-02-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | zencore fixes: - filesystem.cpp: ReadFile error reporting logic - compactbinaryvalue.h: CbValue::As*String error reporting logic zenhttp fixes: - httpasio BindAcceptor would `return 0;` in a function returning `std::string` (UB) - httpsys async workpool initialization race zenstore fixes: - cas.cpp: GetFileCasResults Results param passed by value instead of reference (large chunk results were silently lost) - structuredcachestore.cpp: MissCount unconditionally incremented (counted hits as misses) - cacherpc.cpp: Wrong boolean in Incomplete response array (all entries marked incomplete) - cachedisklayer.cpp: sizeof(sizeof(...)) in two validation checks computed sizeof(size_t) instead of struct size - buildstore.cpp: Wrong hash tracked in GC key list (BlobHash pushed twice instead of MetadataHash) - buildstore.cpp: Removed duplicate m_LastAccessTimeUpdateCount increment in PutBlob zenserver fixes: - httpbuildstore.cpp: Reversed subtraction in HTTP range calculation (unsigned underflow) - hubservice.cpp: Deadlock in Provision() calling Wake() while holding m_Lock (extracted WakeLocked helper) - zipfs.cpp: Data race in GetFile() lazy initialization (added RwLock with shared/exclusive paths)
* Revert "Fix correctness and concurrency bugs found during code review"Stefan Boberg2026-02-241-1/+1
| | | | This reverts commit 3c89c486338890ce39ddebe5be4722a09e85701a.
* Fix correctness and concurrency bugs found during code reviewStefan Boberg2026-02-241-1/+1
| | | | | | | | | | | | | | | | | zenstore fixes: - cas.cpp: GetFileCasResults Results param passed by value instead of reference (large chunk results were silently lost) - structuredcachestore.cpp: MissCount unconditionally incremented (counted hits as misses) - cacherpc.cpp: Wrong boolean in Incomplete response array (all entries marked incomplete) - cachedisklayer.cpp: sizeof(sizeof(...)) in two validation checks computed sizeof(size_t) instead of struct size - buildstore.cpp: Wrong hash tracked in GC key list (BlobHash pushed twice instead of MetadataHash) - buildstore.cpp: Removed duplicate m_LastAccessTimeUpdateCount increment in PutBlob zenserver fixes: - httpbuildstore.cpp: Reversed subtraction in HTTP range calculation (unsigned underflow) - hubservice.cpp: Deadlock in Provision() calling Wake() while holding m_Lock (extracted WakeLocked helper) - zipfs.cpp: Data race in GetFile() lazy initialization (added RwLock with shared/exclusive paths) Co-Authored-By: Claude Opus 4.6 <[email protected]>
* structured compute basics (#714)Stefan Boberg2026-02-184-13/+36
| | | | | | | | | this change adds the `zencompute` component, which can be used to distribute work dispatched from UE using the DDB (Derived Data Build) APIs via zenserver this change also adds a distinct zenserver compute mode (`zenserver compute`) which is intended to be used for leaf compute nodes to exercise the compute functionality without directly involving UE, a `zen exec` subcommand is also added, which can be used to feed replays through the system all new functionality is considered *experimental* and disabled by default at this time, behind the `zencompute` option in xmake config
* logging config move to zenutil (#754)Stefan Boberg2026-02-131-1/+1
| | | made logging config options from zenserver available in zen CLI
* use matcher over regex (#744)Dan Engelbrecht2026-02-045-16/+56
| | | | * replace http router AddPattern with AddMatcher * fix scrub logging
* Merge pull request #724 from ue-foundation/lm/restrict-reads-to-projectLiam Mitchell2026-02-031-4/+32
|\ | | | | Restrict filesystem reads in snapshot to paths under project root
| * Disallow external file reads from project with unset project rootsLiam Mitchell2026-01-291-5/+8
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| * Revert to previous behaviour for path checking in the presence of an empty ↵Liam Mitchell2026-01-281-9/+13
| | | | | | | | project root
| * Use std::mismatch to compare paths and hoist project root canonicalization ↵Liam Mitchell2026-01-211-13/+18
| | | | | | | | out of loop
| * Restrict filesystem reads in snapshot to paths under project rootLiam Mitchell2026-01-191-2/+18
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* | add command line option for scrub timeslice (#742)Dan Engelbrecht2026-02-031-1/+9
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* zenserver API changes, some other minor changes (#720)Stefan Boberg2026-01-192-2/+16
| | | | | | | * add system metrics output to top command * removed unnecessary xmake directives * file system API/comment tweaks * fixed out-of-range access in httpserver test * updated ZenServer base API to allow customization by mode
* Ensure upstream put propagation includes overwritezousar2025-12-194-5/+39
| | | | When changing the default limit-overwrite behavior, a unit test surfaced a bug where an put of data with overwrite cache policy would not get propagated via zen's built-in upstream mechanism with a matching overwrite cache policy to the upstream. This change ensures that it does and leaves the unit test configured to exercise this scenario.
* Change default limit-overwrite behavior to truezousar2025-12-172-2/+2
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* remove error warning in output (#695)Dan Engelbrecht2025-12-171-1/+1
| | | * changed some logging string so they don't get caught in CI logging
* add boost-worker oplog import export options (#693)Dan Engelbrecht2025-12-162-22/+73
| | | | | | | | | | - Feature: `zen oplog-export`, `zen oplog-import` and `zen oplog-download` now has options to boost workers - `--boost-worker-count` - Increase the number of worker threads - may cause computer to be less responsive - `--boost-worker-memory` - Increase the limit where we write downloaded data to temporary storage to conserve space - may cause computer to be less responsive due to high memory usage - `--boost-workers` - Enables both 'boost-worker-count' and 'boost-worker-memory' - may cause computer to be less responsive - Improvement: Refactored boost options for `zen builds` operations `upload`, `download`, `diff`, `prime-cache`, `fetch-blob` and `validate-part` - `--boost-worker-count` - Increase the number of worker threads - may cause computer to be less responsive - `--boost-worker-memory` - Increase the limit where we write downloaded data to temporary storage to conserve space - may cause computer to be less responsive due to high memory usage - `--boost-workers` - Enables both 'boost-worker-count' and 'boost-worker-memory' - may cause computer to be less responsive
* add otel instrumentation (#581)Stefan Boberg2025-12-111-0/+12
| | | | | | | | this change adds OTEL tracing to a few places * Top-level application lifecycle (config/init/cleanup, main loop) * http.sys requests it also brings some otlptrace optimizations and dynamic configuration of tracing. OTLP tracing is currently always disabled
* upload to zen cache from oplog import now disabled by default (#680)Dan Engelbrecht2025-12-091-1/+1
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* add missing patterns to objectstore service http routing (#674)Dan Engelbrecht2025-12-031-3/+7
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* automatic scrub on startup (#667)Dan Engelbrecht2025-11-273-32/+46
| | | | | - Improvement: Deeper validation of data when scrub is activated (cas/cache/project) - Improvement: Enabled more multi threading when running scrub operations - Improvement: Added means to force a scrub operation at startup with a new release using ZEN_DATA_FORCE_SCRUB_VERSION variable in xmake.lua
* control cache upload (#646)Dan Engelbrecht2025-11-121-0/+2
| | | * add option to enable/disable upload to builds cache
* switch to xmake for package management (#611)Stefan Boberg2025-11-071-0/+4
| | | | | | | | | | | | | | | | | | | | | | This change removes our dependency on vcpkg for package management, in favour of bringing some code in-tree in the `thirdparty` folder as well as using the xmake build-in package management feature. For the latter, all the package definitions are maintained in the zen repo itself, in the `repo` folder. It should now also be easier to build the project as it will no longer depend on having the right version of vcpkg installed, which has been a common problem for new people coming in to the codebase. Now you should only need xmake to build. * Bumps xmake requirement on github runners to 2.9.9 to resolve an issue where xmake on Windows invokes cmake with `v144` toolchain which does not exist * BLAKE3 is now in-tree at `thirdparty/blake3` * cpr is now in-tree at `thirdparty/cpr` * cxxopts is now in-tree at `thirdparty/cxxopts` * fmt is now in-tree at `thirdparty/fmt` * robin-map is now in-tree at `thirdparty/robin-map` * ryml is now in-tree at `thirdparty/ryml` * sol2 is now in-tree at `thirdparty/sol2` * spdlog is now in-tree at `thirdparty/spdlog` * utfcpp is now in-tree at `thirdparty/utfcpp` * xmake package repo definitions is in `repo` * implemented support for sanitizers. ASAN is supported on windows, TSAN, UBSAN, MSAN etc are supported on Linux/MacOS though I have not yet tested it extensively on MacOS * the zencore encryption implementation also now supports using mbedTLS which is used on MacOS, though for now we still use openssl on Linux * crashpad * bumps libcurl to 8.11.0 (from 8.8.0) which should address a rare build upload bug
* Various fixes to address issues flagged by gcc / non-UE toolchain build (#621)Stefan Boberg2025-11-013-7/+9
| | | | | | | | | | | | | | | | | | | | * gcc: avoid using memset on nontrivial struct * redundant `return std::move` * fixed various compilation issues flagged by gcc * fix issue in xmake.lua detecting whether we are building with the UE toolchain or not * add GCC ignore -Wundef (comment is inaccurate) * remove redundant std::move * don't catch exceptions by value * unreferenced variables * initialize "by the book" instead of memset * remove unused exception reference * add #include <cstring> to fix gcc build * explicitly poulate KeyValueMap by traversing input spans fixes gcc compilation * remove unreferenced variable * eliminate redundant `std::move` which gcc complains about * fix gcc compilation by including <cstring> * tag unreferenced variable to fix gcc compilation * fixes for various cases of naming members the same as their type
* make sure OpenProcessCache is initialized before use (#618)Stefan Boberg2025-10-291-4/+4
| | | previously, a null reference would be passed into ProjectStore constructor
* fix --zentrace=no compile errors (#616)Stefan Boberg2025-10-281-2/+2
| | | | | | * make sure the correct `UE_WITH_TRACE` conditional is used to enable/disable support code as appropriate * fixed some accidental `int32`, `int64` et al usage, due to typedefs leaking through from trace header with this fix, it is now possible to build with `--zentrace=no` again
* add host discovery and zen cache support for oplog import (#601)Dan Engelbrecht2025-10-231-13/+29
| | | * add host discovery and zen cache support for oplog import
* add support for OTLP logging/tracing (#599)Stefan Boberg2025-10-226-6/+6
| | | | | | | | - adds `zentelemetry` project which houses new functionality for serializing logs and traces in OpenTelemetry Protocol format (OTLP) - moved existing stats functionality from `zencore` to `zentelemetry` - adds `TRefCounted<T>` for vtable-less refcounting - adds `MemoryArena` class which allows for linear allocation of memory from chunks - adds `protozero` which is used to encode OTLP protobuf messages
* fix builds storage stats (#590)Dan Engelbrecht2025-10-201-18/+22
| | | * restructure builds storage stats to match web-ui expectations
* restructured zenserver configuration (#575)Stefan Boberg2025-10-156-90/+102
| | | this breaks out the configuration logic to allow multiple applications to share common configuration and initialization logic whilst customizing chosen aspects of the process
* move all storage-related services into storage tree (#571)Stefan Boberg2025-10-1425-0/+14369
* move all storage-related services into storage tree * move config into config/ * also move admin service into storage since it mostly has storage related functionality * header consolidation
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