Issues

• 135 user-visible strings still name a removed storage tier, and about 29 of them are durable

  matrixarkai/MatrixObject#144 · Filter by author matrixarkai opened on Oct 19, 2026
  2

• An idempotency key is built from Debug output, and a key miss re-applies the mutation

  matrixarkai/MatrixObject#142 · Filter by author matrixarkai opened on Oct 19, 2026

• A raft entry is deduplicated by a hash of its Debug output: 5x the payload per apply, and any Debug change is an upgrade hazard

  matrixarkai/MatrixObject#141 · Filter by author matrixarkai opened on Oct 19, 2026

• A batch amortises the page copy over its writes, and no API puts two objects in one batch

  matrixarkai/MatrixObject#137 · Filter by author matrixarkai opened on Oct 19, 2026

• Three benchmark JSON keys still name the removed tier, and renaming them can silently change what a key means

  matrixarkai/MatrixObject#126 · Filter by author matrixarkai opened on Oct 19, 2026

• Every object allocates separately to hold exactly one extent: 8 bytes an object, 174 sites

  matrixarkai/MatrixObject#123 · Filter by author matrixarkai opened on Oct 19, 2026
  1

• The read cache bound counts payload only: a cache configured for N bytes holds N x 1.056

  matrixarkai/MatrixObject#111 · Filter by author matrixarkai opened on Oct 19, 2026

• An object key is resident twice: once as an id, once inside a composite record key

  matrixarkai/MatrixObject#109 · Filter by author matrixarkai opened on Oct 19, 2026
  1

• 40 receipt fields are Strings that never grow: 8 bytes each, 220 sites

  matrixarkai/MatrixObject#108 · Filter by author matrixarkai opened on Oct 19, 2026

• A change record spends 82 of its 197 bytes on an operation string and a third copy of the etag

  matrixarkai/MatrixObject#105 · Filter by author matrixarkai opened on Oct 19, 2026

• Space amplification is at the 3.00x replication floor; going below it needs erasure coding across nodes

  matrixarkai/MatrixObject#103 · Filter by author matrixarkai opened on Oct 19, 2026
  3

• An open mutation batch duplicates the receipt maps, 82.2 MB at the default bound

  matrixarkai/MatrixObject#92 · Filter by author bjmeetsfo opened on Oct 18, 2026
  2

• A mutation batch's snapshot copies 128 bytes for every chunk the store holds

  matrixarkai/MatrixObject#86 · Filter by author bjmeetsfo opened on Oct 18, 2026
  2

• A full metadata route cache is 56.9 MB, and most of its text repeats

  matrixarkai/MatrixObject#83 · Filter by author bjmeetsfo opened on Oct 18, 2026
  1

• Applying a raft entry needs an ObjectCommand byte codec, which fixes the log format

  matrixarkai/MatrixObject#81 · Filter by author bjmeetsfo opened on Oct 18, 2026

• An object etag is a number held as 40 bytes of text

  matrixarkai/MatrixObject#70 · Filter by author bjmeetsfo opened on Oct 18, 2026
  2

• A journaled mutation takes a second undo that copies the whole store

  matrixarkai/MatrixObject#67 · Filter by author bjmeetsfo opened on Oct 18, 2026

• A refused mutation leaves next_slab_id advanced

  matrixarkai/MatrixObject#66 · Filter by author bjmeetsfo opened on Oct 18, 2026

• A receipt holds its idempotency key twice

  matrixarkai/MatrixObject#62 · Filter by author bjmeetsfo opened on Oct 18, 2026
  1

• The store holds every object metadata twice, and that is half of what it keeps

  matrixarkai/MatrixObject#51 · Filter by author bjmeetsfo opened on Oct 18, 2026
  1

• Two thirds of every stored projection value is field names nothing parses

  matrixarkai/MatrixObject#40 · Filter by author bjmeetsfo opened on Oct 18, 2026
  2

• The metadata change log and the receipt maps are trimmed only when retention is reconfigured

  matrixarkai/MatrixObject#35 · Filter by author bjmeetsfo opened on Oct 18, 2026

• Footprint is 3.0003x of bytes written, and the overhead above the replicas is 4,048 bytes

  matrixarkai/MatrixObject#25 · Filter by author bjmeetsfo opened on Oct 18, 2026
  1

• The compression statistic reports 0 saved on data that compresses by 99.8%

  matrixarkai/MatrixObject#24 · Filter by author bjmeetsfo opened on Oct 18, 2026

• A mutation copies every retained receipt, and the default bound is 100,000

  matrixarkai/MatrixObject#20 · Filter by author bjmeetsfo opened on Oct 18, 2026
  2