ceph/qa/standalone/osd/repro_long_log.sh
Josh Durgin 1c15458a00 PrimaryLogPG: only trim up to osd_pg_log_trim_max entries at once
This prevents the fix for http://tracker.ceph.com/issues/22050 or
potential future bugs from causing too much latency by trimming too
many log entries at once.

Signed-off-by: Josh Durgin <jdurgin@redhat.com>
2018-03-09 19:14:28 -05:00

152 lines
4.1 KiB
Bash
Executable File

#!/usr/bin/env bash
#
# Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
# Copyright (C) 2018 Red Hat <contact@redhat.com>
#
# Author: Josh Durgin <jdurgin@redhat.com>
# Author: David Zafman <dzafman@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library Public License for more details.
#
source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
function run() {
local dir=$1
shift
export CEPH_MON="127.0.0.1:7100" # git grep '\<7100\>' : there must be only one
export CEPH_ARGS
CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
CEPH_ARGS+="--mon-host=$CEPH_MON "
local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
for func in $funcs ; do
setup $dir || return 1
$func $dir || return 1
teardown $dir || return 1
done
}
PGID=
function test_log_size()
{
local PGID=$1
local EXPECTED=$2
ceph tell osd.\* flush_pg_stats
sleep 3
ceph pg $PGID query | jq .info.stats.log_size
ceph pg $PGID query | jq .info.stats.log_size | grep "${EXPECTED}"
}
function setup_log_test() {
local dir=$1
local which=$2
run_mon $dir a || return 1
run_mgr $dir x || return 1
run_osd $dir 0 || return 1
run_osd $dir 1 || return 1
run_osd $dir 2 || return 1
ceph osd pool create test 1 1 || true
POOL_ID=$(ceph osd dump --format json | jq '.pools[] | select(.pool_name == "test") | .pool')
PGID="${POOL_ID}.0"
ceph tell osd.\* injectargs -- --osd-min-pg-log-entries 20 || return 1
ceph tell osd.\* injectargs -- --osd-max-pg-log-entries 30 || return 1
ceph tell osd.\* injectargs -- --osd-pg-log-trim-min 10 || return 1
ceph tell osd.\* injectargs -- --osd-pg-log-dups-tracked 10 || return 1
touch foo
for i in $(seq 1 20)
do
rados -p test put foo foo || return 1
done
test_log_size $PGID 20 || return 1
rados -p test rm foo || return 1
# generate error entries
for i in $(seq 1 20)
do
rados -p test rm foo
done
# log should have been trimmed down to min_entries with one extra
test_log_size $PGID 21 || return 1
}
function TEST_repro_long_log1()
{
local dir=$1
setup_log_test $dir || return 1
# regular write should trim the log
rados -p test put foo foo || return 1
test_log_size $PGID 22 || return 1
}
function TEST_repro_long_log2()
{
local dir=$1
setup_log_test $dir || return 1
local PRIMARY=$(ceph pg $PGID query | jq '.info.stats.up_primary')
kill_daemons $dir TERM osd.$PRIMARY || return 1
CEPH_ARGS="--osd-max-pg-log-entries=2 --no-mon-config" ceph-objectstore-tool --data-path $dir/$PRIMARY --pgid $PGID --op trim-pg-log || return 1
run_osd $dir $PRIMARY || return 1
wait_for_clean || return 1
test_log_size $PGID 2 || return 1
}
function TEST_trim_max_entries()
{
local dir=$1
setup_log_test $dir || return 1
ceph tell osd.\* injectargs -- --osd-min-pg-log-entries 1
ceph tell osd.\* injectargs -- --osd-pg-log-trim-min 2
ceph tell osd.\* injectargs -- --osd-pg-log-trim-max 4
# adding log entries, should only trim 4 and add one each time
rados -p test rm foo
test_log_size $PGID 17
rados -p test rm foo
test_log_size $PGID 14
rados -p test rm foo
test_log_size $PGID 11
rados -p test rm foo
test_log_size $PGID 8
rados -p test rm foo
test_log_size $PGID 5
rados -p test rm foo
test_log_size $PGID 2
# below trim_min
rados -p test rm foo
test_log_size $PGID 3
rados -p test rm foo
test_log_size $PGID 4
rados -p test rm foo
test_log_size $PGID 2
}
main repro-long-log "$@"
# Local Variables:
# compile-command: "cd ../.. ; make -j4 && ../qa/run-standalone.sh repro_long_log.sh"
# End: