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cde42f30e9
`getOOOSeriesChunks` was already finding sets of overlapping chunks; we store those in a `multiMeta` struct so that `ChunkOrIterable` can reconstruct an `Iterable` easily and predictably. We no longer need a `MergeOOO` flag to indicate that this Meta should be merged with other ones; this is explicit in the `multiMeta` structure. We also no longer need `chunkMetaAndChunkDiskMapperRef`. Add `wrapOOOHeadChunk` to defeat `chunkenc.Pool` - chunks are reset during compaction, but if we wrap them (like `safeHeadChunk` was doing then this is skipped) . Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
TSDB
This directory contains the Prometheus TSDB (Time Series DataBase) library, which handles storage and querying of all Prometheus v2 data.
Documentation
External resources
- A writeup of the original design can be found here.
- Video: Storing 16 Bytes at Scale from PromCon 2017.
- Compression is based on the Gorilla TSDB white paper.
A series of blog posts explaining different components of TSDB: