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Diffstat (limited to 'research/experiments/047-leaf-commit')
| -rw-r--r-- | research/experiments/047-leaf-commit/model.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/research/experiments/047-leaf-commit/model.py b/research/experiments/047-leaf-commit/model.py index 9d9e890..d872432 100644 --- a/research/experiments/047-leaf-commit/model.py +++ b/research/experiments/047-leaf-commit/model.py @@ -40,15 +40,15 @@ units (or the log kept for updates alone), not one. model.py WORKLOAD MESSAGES one JSON line a way and grouping""" import json +import os import random import sys HEADER, INNER, FANOUT, RECORD, PER_LIST, SLOTS, SLACK = 40, 680, 32, 128, 16, 8192, 1 << 20 ENTRY = 20 # a child entry written into a parent in place: its pointer (8), count before (4) and key (8) KEEP_EVERY, KEPT = 64, 16 -DELTAS, DELTA = 8, 16 # delta: a leaf's room for changes after its cells (u32 place, u8 field, pad, the 8-byte cell) -import os # noqa: E402 -DELTAS = int(os.environ.get('MODEL_DELTAS', DELTAS)) +DELTA = 16 # delta: a change in a leaf's room after its cells (u32 place, u8 field, pad, the 8-byte cell) +DELTAS = int(os.environ.get('MODEL_DELTAS', 8)) # the room's changes (MODEL_DELTAS: 8 unless set) class List: |