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prometheus/CHANGELOG.md

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master / unreleased

  • [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.
  • [REMOVED] PrefixMatcher is considered unused so was removed.
  • [CLEANUP] Options.WALFlushInterval is removed as it wasn't used anywhere.

0.3.1

  • [BUGFIX] Fixed most windows test and some actual bugs for unclosed file readers.

0.3.0

  • [CHANGE] LastCheckpoint() used to return just the segment name and now it returns the full relative path.
  • [CHANGE] NewSegmentsRangeReader() can now read over miltiple wal ranges by using the new SegmentRange{} struct.
  • [CHANGE] CorruptionErr{} now also exposes the Segment Dir which is added when displaying any errors.
  • [CHANGE] Head.Init() is changed to Head.Init(minValidTime int64)
  • [CHANGE] SymbolTable() renamed to SymbolTableSize() to make the name consistent with the Block{ symbolTableSize uint64 } field.
  • [CHANGE] wal.Reader{} now exposes Segment() for the current segment being read and Offset() for the current offset. -[FEATURE] tsdbutil analyze subcomand to find churn, high cardinality, etc.