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loki/pkg/chunkenc
History
Joe Elliott d3972852ee
Minor typo fixes (#1545) 		5 years ago
..
decompression Add duplicates info and remove timing informations. (#1496) 5 years ago
testdata Adds configurable compression algorithms for chunks (#1411) 6 years ago
README.md Chunking (#10) 7 years ago
dumb_chunk.go Add decompression tracing instrumentation. (#1445) 6 years ago
encoding_helpers.go Lint stuff (#27) 7 years ago
facade.go Adds configurable compression algorithms for chunks (#1411) 6 years ago
interface.go Add decompression tracing instrumentation. (#1445) 6 years ago
interface_test.go Adds configurable compression algorithms for chunks (#1411) 6 years ago
lazy_chunk.go Add decompression tracing instrumentation. (#1445) 6 years ago
memchunk.go Minor typo fixes (#1545) 5 years ago
memchunk_test.go Close iterator properly and check nil before releasing buffers. (#1480) 5 years ago
pool.go Lint: comments 6 years ago
util_test.go pkg/chunkenc: BenchmarkRead focuses on reading chunks (#1423) 6 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) |
  -------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) |
  -------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) |
  -------------------------------------------------------------------
  | #entries(uvarint) | mint, maxt (varint) | offset, len (uvarint) |
  -------------------------------------------------------------------
  |                      checksum(from #blocks)                     |
  -------------------------------------------------------------------
  | metasOffset - offset to the point with #blocks |
  --------------------------------------------------