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* add support for responding with partial cache chunks (#11)Dan Engelbrecht2024-03-212-5/+36
| | | * add support for responding with partial cache chunks
* special treatment large oplog attachments v2 (#5)Dan Engelbrecht2024-03-143-1/+560
| | | | | - 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
* clean up test linking (#4)Dan Engelbrecht2024-03-143-59/+15
| | | | | | | - Improvement: Add zenhttp-test and zenutil-test - Improvement: Moved cachepolicy test to cachepolicy.cpp - Improvement: Renamed cachestore tests from z$ to cachestore - Improvement: Moved test linking so test for a lib is linked by <lib>-test - Improvement: Removed HttpRequestParseRelativeUri in httpstructuredcache.cpp and use the one in cacherequests.h instead
* fix potential partially written files (#2)Dan Engelbrecht2024-03-133-8/+36
| | | | * Make sure WriteFile() does not leave incomplete files * use TemporaryFile and MoveTemporaryIntoPlace to avoid leaving partial files on error
* http request parser safety (#664)Dan Engelbrecht2024-03-121-2/+2
| | | | * make sure we don't add more headers than we support * don't capture for loop variables by reference for async work
* Make sure we wait for all scheduled tasks to complete before throwing ↵Dan Engelbrecht2024-02-286-61/+142
| | | | | exceptions further (#662) Bugfix: We must not throw exceptions to calling function until all async work we spawned has returned
* 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 Engelbrecht2024-02-276-114/+206
| | | | * improved gc/blockstore logging * more gcv2 tests
* remove reference caching (#658)Dan Engelbrecht2024-02-273-681/+193
| | | * remove reference caching
* hashing fixes (#657)Dan Engelbrecht2024-02-264-89/+77
| | | | | * 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
* respond with BadRequest result instead of throwing exception on bad request ↵Dan Engelbrecht2024-02-051-7/+25
| | | | input (#648)
* Add retry with optional resume logic to HttpClient::Download (#639)Dan Engelbrecht2024-01-242-80/+86
| | | | | | | - 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
* separate RPC processing from HTTP processing (#626)Stefan Boberg2023-12-208-3/+1917
| | | | | | * moved all RPC processing from HttpStructuredCacheService into separate CacheRpcHandler class in zenstore * move package marshaling to zenutil. was previously in zenhttp/httpshared but it's useful in other contexts as well where we don't want to depend on zenhttp * introduced UpstreamCacheClient, this provides a subset of functions on UpstreamCache and lives in zenstore
* move cachedisklayer and structuredcachestore into zenstore (#624)Stefan Boberg2023-12-195-0/+7690
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* Don't capture local variables in loop by reference (#623)Dan Engelbrecht2023-12-191-27/+27
| | | * Don't capture local variables in loop by reference
* fix ChunkIndexToChunkHash indexing (#621)Stefan Boberg2023-12-191-1/+1
| | | would previously index into a reserved-but-not-sized vector which is bad but not crash-inducing bad
* Fix crash bug when trying to inspect non-open block file in GC (#614)Dan Engelbrecht2023-12-182-7/+20
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* log each block that is compacted (#613)Dan Engelbrecht2023-12-151-0/+5
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* fix peak disk load in gc status (#608)Dan Engelbrecht2023-12-131-12/+11
| | | * MaxLoad is max load per monitor slot, not the MaxLoad for the entire graph
* 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 Engelbrecht2023-12-133-1/+12
| | | | | * 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
* Make sure that PathFromHandle don't hide true error when throwing exceptions ↵Dan Engelbrecht2023-12-111-1/+2
| | | | | | | | | (#600) * Make sure that PathFromHandle don't hide true error when throwing exceptions * changelog * return error info in PathFromHandle if path fails to resolve
* improved scrubbing of oplogs and filecas (#596)Stefan Boberg2023-12-116-46/+113
| | | | | | - Improvement: Scrub command now validates compressed buffer hashes in filecas storage (used for large chunks) - Improvement: Added --dry, --no-gc and --no-cas options to zen scrub command - Improvement: Implemented oplog scrubbing (previously was a no-op) - Improvement: Implemented support for running scrubbint at startup with --scrub=<options>
* fixed bug in CasContainerStrategy::ReadIndexFile (#595)Stefan Boberg2023-12-071-1/+3
| | | this was introduced in a recent optimization and would cause CAS items to not be found after a shutdown/restart cycle
* reserve vectors in gcv2 upfront / load factor for robin_map (#582)Dan Engelbrecht2023-12-046-36/+68
| | | | | * 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 Engelbrecht2023-12-014-34/+39
| | | - Improvement: Reduce memory usage in GC and diskbucket flush
* add separate PreCache step for GcReferenceChecker (#578)Dan Engelbrecht2023-12-014-6/+71
| | | | | | - 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 Engelbrecht2023-11-292-11/+6
| | | - Improvement: Use two global worker thread pools instead of ad-hoc creation of worker pools
* close thread pool + parallel CasImpl::Initialize (#576)Dan Engelbrecht2023-11-281-4/+17
| | | | * close thread pool at destruction * parallell casimpl::initialize
* tracing for gcv2 (#574)Dan Engelbrecht2023-11-283-1/+23
| | | | | | - 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`
* fix missing locks/sync of log position when writing index snapshots (#572)Dan Engelbrecht2023-11-272-4/+9
| | | | * fix missing locks/sync of log position when writing index snapshots * changelog
* 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 Boberg2023-11-275-35/+88
| | | | | 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 Engelbrecht2023-11-272-1/+18
| | | | | - 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 Engelbrecht2023-11-246-127/+293
| | | | - 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.
* reduce work when there are no blocks to compact (#558)Dan Engelbrecht2023-11-221-51/+54
| | | | * 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 Engelbrecht2023-11-214-156/+232
| | | | | | | | | | | - 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 Engelbrecht2023-11-216-631/+735
| | | | | - 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
* blocking queue fix (#550)Dan Engelbrecht2023-11-161-1/+1
| | | | | | | | | * 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
* gc history log (#519)Dan Engelbrecht2023-11-132-8/+286
| | | | | - 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)
* 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
* disk layer gc and error/warnings cleanup (#515)Dan Engelbrecht2023-11-081-2/+2
| | | | | | | - 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)
* spdlog implementation hiding (#498)Stefan Boberg2023-11-063-34/+24
| | | | | | | | | 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 Engelbrecht2023-11-065-85/+328
| | | | | | | | | | * 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 Engelbrecht2023-11-062-11/+32
| | | | * separate statsd interfaces so they can be accessible to zenstore * statsd for cas
* multithread cache bucket (#508)Dan Engelbrecht2023-11-062-256/+257
| | | | * Multithread init and flush of cache bucket * tweaked threading cound for bucket discovery, disklayer flush and gc v2
* individual gc stats (#506)Dan Engelbrecht2023-10-306-357/+558
| | | | | - 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 Engelbrecht2023-10-308-28/+1131
| | | - Feature: New garbage collection implementation, still in evaluation mode. Enabled by `--gc-v2` command line option
* added missing includes (#504)Stefan Boberg2023-10-273-0/+6
| | | | | 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
* chunking moved to zenstore (#490)Stefan Boberg2023-10-232-0/+438
| | | | | * moved chunking into zenstore * removed vestiges of experimental chunking command
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