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Talk:Memory Synchronization

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[edit] desync test harness

Putting it here because there is no better page. Runs on the test colony. Creates 500 keys on each queen with concurrent stamps, forces a partition with iptables, heals, and diffs.

#!/bin/sh
# desync-test.sh — jbrandt 2014-08
set -e
for i in $(seq 1 500); do
  cmsync put cm://test/desync/$i "q1-$i" --on queen01 &
  cmsync put cm://test/desync/$i "q2-$i" --on queen02 &
done
wait
ssh queen02 sudo iptables -A INPUT -s 192.0.2.10 -j DROP
sleep 90
ssh queen02 sudo iptables -D INPUT -s 192.0.2.10 -j DROP
sleep 10
cmsync diff queen01 queen02 | tee /tmp/desync-$(date +%s).txt | wc -l

Expected: 0 lines after 3.2 (leader wins). Before 3.2: ~250 lines, whichever queen's clock was ahead. — jbrandt 2014-08-22

Ran it after 3.2.0: 0 lines. Ran it after 3.2.1: 0 lines. Keeping it here. {{sig:svanterpool|2015-08-21}}

[edit] GC

Are we ever doing garbage collection? 41 GB. — svanterpool 2016-01-11

3.6. {{sig:mkerrigan|2016-01-11}}
There is no 3.6. {{sig:svanterpool|2016-05-19}}

[edit] export format page

The snapshot format doc is on the feed but not linked here. Should be. — jbrandt 2014-09-02

The wiki upgrade ate the link. It's in the recent changes feed because archive-bot touched it. Someone add it back. {{sig:mkerrigan|2014-09-03}}
Revision 14 · jbrandt, mkerrigan, svanterpool · history
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