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characters (#32)
* Fix sentry using wrong folder path when data path contains non-ascii characters
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- 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
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* add a retry when trying to create the lock file if UE is trying to read it at the same time
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* make sure zenserver reacts and exist on SIGTERM signal
* add zen tag to all runners
* temp disable mac codesigning
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- 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
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* 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
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this adds information on program name and command line to trace initialization
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- 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>
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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
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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.
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completion (#539)
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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`.
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zenutil and zenserver both contain very similar logging setup code and this change aims to make them have most code in common.
* fullformatter/jsonformatter/RotatingFileSink are moved into dedicated header files in zenutil
* zenserver `InitializeLogging`/`ShutdownLogging` are renamed `InitializeServerLogging`/`InitializeServerLogging`
* these now call into the common zenutil `BeginInitializeLogging`/`FinishInitializeLogging` in addition to setting up server custom logging
* `std::filesystem::path` is now logged after stripping any `\\\\?\\` prefix for readability
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when specified with `--clean`, the data directory will be wiped clean at startup
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this was there before but lost in a merge recently
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