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release 0.5.0 (#536) 

* release 0.5.0

Signed-off-by: Krasi Georgiev <kgeorgie@redhat.com>
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Krasi Georgiev 2019-03-01 22:57:53 +02:00 committed by GitHub
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CHANGELOG.md
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## master / unreleased
## 0.5.0
- [FEATURE] Time-ovelapping blocks are now allowed. [#370](https://github.com/prometheus/tsdb/pull/370)
- Disabled by default and can be enabled via `AllowOverlappingBlock` option.
- Added `MergeChunks` function in `chunkenc/xor.go` to merge 2 time-overlapping chunks.
@ -9,8 +11,9 @@
- Added to remove some code duplication.
- [ENHANCEMENT] When closing the db any running compaction will be cancelled so it doesn't block.
- `NewLeveledCompactor` takes a context.
- [CHANGE] `prometheus_tsdb_storage_blocks_bytes_total` is now `prometheus_tsdb_storage_blocks_bytes`
- [CHANGE] `prometheus_tsdb_storage_blocks_bytes_total` is now `prometheus_tsdb_storage_blocks_bytes`.
- [BUGFIX] Improved Postings Merge performance. Fixes a regression from the the previous release.
- [BUGFIX] LiveReader can get into an infinite loop on corrupt WALs.
## 0.4.0
- [CHANGE] New `WALSegmentSize` option to override the `DefaultOptions.WALSegmentSize`. Added to allow using smaller wal files. For example using tmpfs on a RPI to minimise the SD card wear out from the constant WAL writes. As part of this change the `DefaultOptions.WALSegmentSize` constant was also exposed.