Affected Version: 2.9, 2.9.1
What steps will reproduce the problem?
1. ssh $gerrit show-caches
2. Sometimes, memory used is negative
"""
(...)
SSH: 2 users, oldest session started 19 hrs 11 min ago
Tasks: 4 total = 2 running + 0 ready + 2 sleeping
Mem: 6.05g total = -1124766.43k used + 1.35g free + 5.77g buffers
10.67g max
30 open files, 4 cpus available, 70 threads
JVM: Oracle Corporation OpenJDK 64-Bit Server VM 24.51-b03
on Linux 2.6.18-308.11.1.el5 amd64
"""
Notice "-1124766.43k used"
Server has 24GB total memory.
Relevant sections of gerrit.config:
[database]
type = postgresql
[index]
type = LUCENE
[auth]
type = LDAP
[container]
javaHome = /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.55.x86_64/jre
heapLimit = 12g
[core]
packedGitOpenFiles = 4096
packedGitLimit = 6g
packedGitWindowSize = 16k
deltaBaseCacheLimit = 50m
streamFileThreshold = 2047m