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loki/pkg/chunkenc
History
Owen Diehl ff2ced09ea
Cleanup/unordered writes ingester config (#4192) 		4 years ago
..
testdata Improve metric queries by computing samples at the edges. (#2293) 5 years ago
README.md Updates chunkenc doc for V3 (#2956) 5 years ago
dumb_chunk.go Logs deletion support for boltdb-shipper store (#3688) 4 years ago
encoding_helpers.go Improve checkpoint series iterator. (#3193) 4 years ago
facade.go Fork cortex chunk storage into Loki. (#3842) 4 years ago
hash_test.go Improve lz4 compression (#2614) 5 years ago
interface.go fixes chunk size method in facade (#3981) 4 years ago
interface_test.go Adds configurable compression algorithms for chunks (#1411) 6 years ago
memchunk.go Cleanup/unordered writes ingester config (#4192) 4 years ago
memchunk_test.go Fork cortex chunk storage into Loki. (#3842) 4 years ago
pool.go Improve head chunk allocations when reading samples. (#3968) 4 years ago
unordered.go Unordered chunks (#4001) 4 years ago
unordered_test.go Unordered chunks (#4001) 4 years ago
util_test.go Unordered chunks (#4001) 4 years ago

README.md

Chunk format

  |                 |             |
  | MagicNumber(4b) | version(1b) |
  |                 |             |
  --------------------------------------------------
  |         block-1 bytes         |  checksum (4b) |
  --------------------------------------------------
  |         block-2 bytes         |  checksum (4b) |
  --------------------------------------------------
  |         block-n bytes         |  checksum (4b) |
  --------------------------------------------------
  |         #blocks (uvarint)                      |
  --------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) | uncompressedSize (uvarint) |
  ------------------------------------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) | uncompressedSize (uvarint) |
  ------------------------------------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) | uncompressedSize (uvarint) |
  ------------------------------------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) | uncompressedSize (uvarint) |
  ------------------------------------------------------------------------------------------------
  |                      checksum(from #blocks)                     |
  -------------------------------------------------------------------
  | metasOffset - offset to the point with #blocks |
  --------------------------------------------------