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* | Get hash when retrieving chunkszousar2023-12-052-7/+32
| | | | | | | | Also changes the returned fields for each chunk from size->rawsize. Backwards compatibility is not a concern as this was unused in past zenserver releases.
* | Add endpoint for all chunk infoszousar2023-12-013-8/+45
|/ | | | Add endpoint for querying all chunk infos in an oplog.
* use 32 bit offset and size in BlockStoreLocation (#581)Dan Engelbrecht2023-12-012-41/+78
| | | - Improvement: Reduce memory usage in GC and diskbucket flush
* add separate PreCache step for GcReferenceChecker (#578)Dan Engelbrecht2023-12-014-217/+410
| | | | | | - 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
* global thread worker pools (#577)Dan Engelbrecht2023-11-293-22/+11
| | | - Improvement: Use two global worker thread pools instead of ad-hoc creation of worker pools
* moved LuaConfig code so it can be used outside of config.cpp (#575)Stefan Boberg2023-11-283-540/+705
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* tracing for gcv2 (#574)Dan Engelbrecht2023-11-282-0/+26
| | | | | | - Improvement: Added more trace scopes for GCv2 - Bugfix: Make sure we can override flags to "false" when running `zen gc` commmand - `smallobjects`, `skipcid`, `skipdelete`, `verbose`
* gcv2 tests for project store and bugfixes (#571)Dan Engelbrecht2023-11-271-84/+209
| | | * gcv2 tests for project store and bugfixes
* optimized index snapshot reading/writing (#561)Stefan Boberg2023-11-273-469/+802
| | | | | 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
* gc stop command (#569)v0.2.36-pre2Dan Engelbrecht2023-11-273-6/+37
| | | | | - Feature: New endpoint `/admin/gc-stop` to cancel a running garbage collect operation - Feature: Added `zen gc-stop` command to cancel a running garbage collect operation - Bugfix: GCv2 - make sure to discover all projects and oplogs before checking for expired data
* Add GC Cancel/Stop (#568)Dan Engelbrecht2023-11-241-11/+60
| | | | - 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.
* fix truncation of sentry hostnameDan Engelbrecht2023-11-241-1/+1
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* Updated branding (#567)Stefan Boberg2023-11-232-3/+3
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* added --powercycle option (#565)Stefan Boberg2023-11-234-0/+13
| | | | | * added --powercycle option. when this is passed in the zenserver process will shut down immediately after initialization is complete. This is primarily useful when benchmarking init/cleanup but could also be used to verify/clean up disk state * moved EmptyStandbyList code to make it accessible to more commands
* embed html frontend content as binary compiled data (#559)Dan Engelbrecht2023-11-233-2/+7
| | | | | | - Feature: Added xmake task `updatefrontend` which updates the zip file containing the frontend html (`/src/zenserver/frontend/html.zip`) - Improvement: The frontend html content is no longer appended at the end of the executable which prevented signing, instead it is compiled in from the `/src/zenserver/frontend/html.zip` archive - Improvement: MacOS now does ad-hoc code signing by default when issuing `xmake bundle`, signing with proper cert is done on CI builds
* fix block cloning copy argument validation (#560)Stefan Boberg2023-11-221-0/+1
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* reduce work when there are no blocks to compact (#558)Dan Engelbrecht2023-11-221-54/+61
| | | | * reduce work when there are no blocks to compact * fix lock scopes
* add command line options for compact block threshold and gc verbose (#557)Dan Engelbrecht2023-11-216-7/+81
| | | | | | | | | | | - Feature: Added new options to zenserver for GC V2 - `--gc-compactblock-threshold` GCV2 - how much of a compact block should be used to skip compacting the block, default is 90% - `--gc-verbose` GCV2 - enable more verbose output when running a GC pass - Feature: Added new options to `zen gc` command for GC V2 - `--compactblockthreshold` GCV2 - how much of a compact block should be used to skip compacting the block, default is 90% - `--verbose` GCV2 - enable more verbose output when running a GC pass - Feature: Added new parameters for endpoint `admin/gc` (PUT) - `compactblockthreshold` GCV2 - how much of a compact block should be used to skip compacting the block, default is 90% - `verbose` GCV2 - enable more verbose output when running a GC pass
* compact separate for gc referencer (#533)Dan Engelbrecht2023-11-216-360/+568
| | | | | - 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
* Added HTTP verb HEAD to objstore get-object. (#554)Per Larsson2023-11-201-1/+1
| | | | | | | * Added HTTP verb HEAD to objstroe get-object. * Added HTTP verb HEAD to objstore get-object. * Removed HEAD request exception for list-object.
* blocking queue fix (#550)Dan Engelbrecht2023-11-162-16/+29
| | | | | | | | | * make BlockingQueue::m_CompleteAdding non-atomic * ZenCacheDiskLayer::Flush logging * name worker threads in ZenCacheDiskLayer::DiscoverBuckets * name worker threads in gcv2 * improved logging in ZenServerInstance * scrub threadpool naming * remove waitpid handling, we should just call wait to kill zombie processes
* add wipe prevention via file in data root dir (#548)Dan Engelbrecht2023-11-161-3/+18
| | | * if a file named root_manifest.ignore_schema_mismatch exists in the root data dir, ignore schema mismatch
* add zenserver state snapshot support (#543)Stefan Boberg2023-11-163-1/+21
| | | | | this introduces a --snapshot-dir command line option to zenserver which specifies a directory which will be propagated to the persistence root directory on start-up. This is most powerful with file systems which support block cloning, such as ReFS on Windows. This allows even very large state snapshots to be used repeatedly without having to worry about mutating the original dataset on disk. When using ReFS the state copy for even large state directories can be very fast since the duration is primarily proportional to the number of files in the tree rather than the size of the files being cloned. The storage requirements are also minimal as all data will be handled in a copy-on-write manner.
* Trim any leading slash and backslash from bucket prefix. (#541)Per Larsson2023-11-151-0/+2
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* remove dependency on cxxopts exception types (#542)Stefan Boberg2023-11-151-10/+13
| | | | | | changed options parsing so that we don't depend on cxxopts exception types this makes it possible to use any cxxopts-version including beyond 3.0.0
* Make object store endpoint S3 compatible. (#535)Per Larsson2023-11-153-46/+415
| | | | | * Make object store endpoint S3 compatible. * Removed XML pretty printing and set object store endpoint disabled by default.
* fix race contdition when signaling shutdown of process and waiting for ↵Dan Engelbrecht2023-11-152-4/+6
| | | | completion (#539)
* add host name to sentry (#537)Dan Engelbrecht2023-11-152-7/+51
| | | * add hostname to sentry user id
* fix comparison operator for cache disk location (#534)Dan Engelbrecht2023-11-141-1/+12
| | | * proper != operator for DiskLocation
* fix index out of bounds in CacheBucket::CompactState (#532)Dan Engelbrecht2023-11-141-25/+24
| | | | | * use PayloadIndex for indexing into payload array * naming cleanup * fix metadata index in CacheBucket::CompactState
* fix potential logic error in bucket manifest readStefan Boberg2023-11-131-17/+21
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* gc history log (#519)Dan Engelbrecht2023-11-131-97/+4
| | | | | - Feature: Writes a `gc.log` with settings and detailed result after each GC execution (version 2 only) - Break out file name rotate to allow access for gclog - CompactBinaryToJson(MemoryView Data, StringBuilderBase& InBuilder)
* package dependency clean-ups (#531)Stefan Boberg2023-11-131-1/+0
| | | | | | | | | | this change just cleans up dependency declarations in xmake.lua files, discovered while exploring a more to xrepo which catches dependency problems since it will not just place all includes in a single directory, unlike vcpkg. * removed spurious asio dependency from zenserver-test * removed rocksdb reference * add missing asio package dependency * removed catch2 reference (no longer available) * added explicit cpr reference * made some zencore package dependencies public (this is necessary because some public zencore headers pull in package headers. If you use a more strict package manager than vcpkg then you get compilation errors whenever these includes are pulled in unless you declare the dependency explicitly)
* fix bad access to unlocked state (#527)Dan Engelbrecht2023-11-102-17/+26
| | | | * don't touch non-locked data when creating manifest * safety assert for test dir
* reduce memory footprint for bucket indexes (#526)Stefan Boberg2023-11-101-14/+14
| | | reduces memory footprint of cache index by 10% or so by limiting the maximum number of entries in a bucket to 2^32 (was 2^64)
* option for zenserver - `--http-forceloopback` (#516)Dan Engelbrecht2023-11-091-0/+12
| | | | * New option for zenserver - `--http-forceloopback` which forces opening of the server http server using loopback (local) connection (UE-199776) * add fallback to local connection for asio if we get access denied on public port
* reduce number of files generated on shared instances (#524)Stefan Boberg2023-11-092-1/+8
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* disk layer gc and error/warnings cleanup (#515)Dan Engelbrecht2023-11-083-77/+126
| | | | | | | - Improvement: Use GC reserve when writing index/manifest for a disk cache bucket when disk is low when available - Improvement: Demote errors to warning for issues that are not critical and we handle gracefully - Improvement: Treat more out of memory errors from windows as Out Of Memory errors Fixed wrong sizeof() statement for compactcas index (luckily the two structs are of same size)
* changed logic around sponsor process monitoring (#522)Stefan Boberg2023-11-081-1/+1
| | | with this change, any sponsor is registered synchronously at startup, instead of one second after.
* Don't put cache entries into the memory cache on Put, only on Get (#518)Dan Engelbrecht2023-11-072-21/+24
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* factored out some compiler definitions etc into zenbase (#517)Stefan Boberg2023-11-073-3/+3
| | | | | this is a header-only library which mostly contains definitions to support different platforms and compilers. It is part of the zen codebase but is intended to be consumable separately to zenbase etc to support standalone transport plug-ins and similar.
* spdlog implementation hiding (#498)Stefan Boberg2023-11-0616-63/+71
| | | | | | | | | this change aims to hide logging internals from client code, in order to make it easier to extend and take more control over the logging process in the future. As a bonus side effect, the generated code is much tighter (net delta around 2.5% on the resulting executable which includes lots of thirdparty code) and should take less time to compile and link. Client usage via macros is pretty much unchanged. The main exposure client code had to spdlog internals before was the use of custom loggers per subsystem, where it would be common to have `spdlog::logger` references to keep a reference to a logger within a class. This is now replaced by `zen::LoggerRef` which currently simply encapsulates an actual `spdlog::logger` instance, but this is intended to be an implementation detail which will change in the future. The way the change works is that we now handle any formatting of log messages in the zencore logging subsystem instead of relying on `spdlog` to manage this. We use the `fmt` library to do the formatting which means the client usage is identical to using `spdlog`. The formatted message is then forwarded onto any sinks etc which are still implememted via `spdlog`.
* gc v2 tests (#512)Dan Engelbrecht2023-11-063-66/+11
| | | | | | | | | | * 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
* statsd for cas (#511)Dan Engelbrecht2023-11-064-9/+5
| | | | * separate statsd interfaces so they can be accessible to zenstore * statsd for cas
* reduce cachebucket mem (#509)Dan Engelbrecht2023-11-062-293/+448
| | | | | | | * reduce memory footprint for disk cache separate dense arrays for rawhash+rawsize and memcache buffer * don't write RawHash/RawSize for buckets with no such metadata * helper functions * make index into metadata and cached payload type safe * helper functions for memcached
* multithread cache bucket (#508)Dan Engelbrecht2023-11-061-21/+66
| | | | * Multithread init and flush of cache bucket * tweaked threading cound for bucket discovery, disklayer flush and gc v2
* individual gc stats (#506)Dan Engelbrecht2023-10-306-196/+402
| | | | | - Feature: New parameter for endpoint `admin/gc` (GET) `details=true` which gives details stats on GC operation when using GC V2 - Feature: New options for zen command `gc-status` - `--details` that enables the detailed output from the last GC operation when using GC V2
* New GC implementation (#459)Dan Engelbrecht2023-10-3010-110/+1535
| | | - Feature: New garbage collection implementation, still in evaluation mode. Enabled by `--gc-v2` command line option
* added missing includes (#504)Stefan Boberg2023-10-274-0/+5
| | | | | 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
* fixed missing context for cache record PUT operations (#503)Stefan Boberg2023-10-271-2/+6
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