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zit Check-in [0212aeede4]
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Check-in [0212aeede4]

Overview
Comment:A full derive keeps less of the history in memory: comments go to a mapped temp file, edges thread through the linkage rows, tag rows sit in a flat per-rid table with pooled values, users and comment offsets are dense arrays, and the image streams to the cache file
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 0212aeede46dd1cdd5c234d2153935ff88e6d913a3c46c7fa129fc59e9eac1ec
User & Date: dmestas on 2026-11-02 23:05:58.580
Other Links: manifest | tags
Context
2026-11-02
23:06
zit runs on a size-class heap, so a block freed on one thread is reused on any, and an import's warm-up reuses what the import freed check-in: 3d0cc41587 user: dmestas tags: trunk
23:05
A full derive keeps less of the history in memory: comments go to a mapped temp file, edges thread through the linkage rows, tag rows sit in a flat per-rid table with pooled values, users and comment offsets are dense arrays, and the image streams to the cache file check-in: 0212aeede4 user: dmestas tags: trunk
23:05
advance's gates read a checkpoint's header, not its whole body, so a cold open no longer reads back the checkpoint it just wrote check-in: 05354a9331 user: dmestas tags: trunk
Changes