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ClickHouse/docker/test/performance-comparison/compare.sh
Alexander Kuzmenkov 29adb1cbcf performance comparison
2020-06-05 17:30:26 +03:00

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#!/bin/bash
set -ex
set -o pipefail
trap "exit" INT TERM
trap 'kill $(jobs -pr) ||:' EXIT
stage=${stage:-}
script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
function configure
{
# Use the new config for both servers, so that we can change it in a PR.
rm right/config/config.d/text_log.xml ||:
cp -rv right/config left ||:
sed -i 's/<tcp_port>900./<tcp_port>9001/g' left/config/config.xml
sed -i 's/<tcp_port>900./<tcp_port>9002/g' right/config/config.xml
# Start a temporary server to rename the tables
while killall clickhouse-server; do echo . ; sleep 1 ; done
echo all killed
set -m # Spawn temporary in its own process groups
left/clickhouse-server --config-file=left/config/config.xml -- --path db0 &> setup-server-log.log &
left_pid=$!
kill -0 $left_pid
disown $left_pid
set +m
while ! clickhouse-client --port 9001 --query "select 1" && kill -0 $left_pid ; do echo . ; sleep 1 ; done
echo server for setup started
clickhouse-client --port 9001 --query "create database test" ||:
clickhouse-client --port 9001 --query "rename table datasets.hits_v1 to test.hits" ||:
while killall clickhouse-server; do echo . ; sleep 1 ; done
echo all killed
# Remove logs etc, because they will be updated, and sharing them between
# servers with hardlink might cause unpredictable behavior.
rm db0/data/system/* -rf ||:
rm db0/metadata/system/* -rf ||:
# Make copies of the original db for both servers. Use hardlinks instead
# of copying. Be careful to remove preprocessed configs and system tables,or
# it can lead to weird effects.
rm -r left/db ||:
rm -r right/db ||:
rm -r db0/preprocessed_configs ||:
rm -r db/{data,metadata}/system ||:
cp -al db0/ left/db/
cp -al db0/ right/db/
}
function restart
{
while killall clickhouse-server; do echo . ; sleep 1 ; done
echo all killed
set -m # Spawn servers in their own process groups
left/clickhouse-server --config-file=left/config/config.xml -- --path left/db &>> left-server-log.log &
left_pid=$!
kill -0 $left_pid
disown $left_pid
right/clickhouse-server --config-file=right/config/config.xml -- --path right/db &>> right-server-log.log &
right_pid=$!
kill -0 $right_pid
disown $right_pid
set +m
while ! clickhouse-client --port 9001 --query "select 1" && kill -0 $left_pid ; do echo . ; sleep 1 ; done
echo left ok
while ! clickhouse-client --port 9002 --query "select 1" && kill -0 $right_pid ; do echo . ; sleep 1 ; done
echo right ok
clickhouse-client --port 9001 --query "select * from system.tables where database != 'system'"
clickhouse-client --port 9001 --query "select * from system.build_options"
clickhouse-client --port 9002 --query "select * from system.tables where database != 'system'"
clickhouse-client --port 9002 --query "select * from system.build_options"
# Check again that both servers we started are running -- this is important
# for running locally, when there might be some other servers started and we
# will connect to them instead.
kill -0 $left_pid
kill -0 $right_pid
}
function run_tests
{
# Just check that the script runs at all
"$script_dir/perf.py" --help > /dev/null
# Find the directory with test files.
if [ -v CHPC_TEST_PATH ]
then
# Use the explicitly set path to directory with test files.
test_prefix="$CHPC_TEST_PATH"
elif [ "$PR_TO_TEST" = "0" ]
then
# When testing commits from master, use the older test files. This
# allows the tests to pass even when we add new functions and tests for
# them, that are not supported in the old revision.
test_prefix=left/performance
else
# For PRs, use newer test files so we can test these changes.
test_prefix=right/performance
# If only the perf tests were changed in the PR, we will run only these
# tests. The list of changed tests in changed-test.txt is prepared in
# entrypoint.sh from git diffs, because it has the cloned repo. Used
# to use rsync for that but it was really ugly and not always correct
# (e.g. when the reference SHA is really old and has some other
# differences to the tested SHA, besides the one introduced by the PR).
changed_test_files=$(sed "s/tests\/performance/${test_prefix//\//\\/}/" changed-tests.txt)
fi
# Determine which tests to run.
if [ -v CHPC_TEST_GREP ]
then
# Run only explicitly specified tests, if any.
test_files=$(ls "$test_prefix" | grep "$CHPC_TEST_GREP" | xargs -I{} -n1 readlink -f "$test_prefix/{}")
elif [ "$changed_test_files" != "" ]
then
# Use test files that changed in the PR.
test_files="$changed_test_files"
else
# The default -- run all tests found in the test dir.
test_files=$(ls "$test_prefix"/*.xml)
fi
# Delete old report files.
for x in {test-times,wall-clock-times}.tsv
do
rm -v "$x" ||:
touch "$x"
done
# Run the tests.
test_name="<none>"
for test in $test_files
do
# Check that both servers are alive, to fail faster if they die.
clickhouse-client --port 9001 --query "select 1 format Null" \
|| { echo $test_name >> left-server-died.log ; restart ; continue ; }
clickhouse-client --port 9002 --query "select 1 format Null" \
|| { echo $test_name >> right-server-died.log ; restart ; continue ; }
test_name=$(basename "$test" ".xml")
echo test "$test_name"
TIMEFORMAT=$(printf "$test_name\t%%3R\t%%3U\t%%3S\n")
# the grep is to filter out set -x output and keep only time output
{ time "$script_dir/perf.py" --host localhost localhost --port 9001 9002 -- "$test" > "$test_name-raw.tsv" 2> "$test_name-err.log" ; } 2>&1 >/dev/null | grep -v ^+ >> "wall-clock-times.tsv" || continue
done
unset TIMEFORMAT
wait
}
function get_profiles_watchdog
{
sleep 6000
echo "The trace collection did not finish in time." >> profile-errors.log
for pid in $(pgrep -f clickhouse)
do
gdb -p "$pid" --batch --ex "info proc all" --ex "thread apply all bt" --ex quit &> "$pid.gdb.log" &
done
wait
for _ in {1..10}
do
if ! pkill -f clickhouse
then
break
fi
sleep 1
done
}
function get_profiles
{
# Collect the profiles
clickhouse-client --port 9001 --query "set query_profiler_cpu_time_period_ns = 0"
clickhouse-client --port 9001 --query "set query_profiler_real_time_period_ns = 0"
clickhouse-client --port 9001 --query "set query_profiler_cpu_time_period_ns = 0"
clickhouse-client --port 9001 --query "set query_profiler_real_time_period_ns = 0"
clickhouse-client --port 9001 --query "system flush logs"
clickhouse-client --port 9002 --query "system flush logs"
clickhouse-client --port 9001 --query "select * from system.query_log where type = 2 format TSVWithNamesAndTypes" > left-query-log.tsv ||: &
clickhouse-client --port 9001 --query "select * from system.query_thread_log format TSVWithNamesAndTypes" > left-query-thread-log.tsv ||: &
clickhouse-client --port 9001 --query "select * from system.trace_log format TSVWithNamesAndTypes" > left-trace-log.tsv ||: &
clickhouse-client --port 9001 --query "select arrayJoin(trace) addr, concat(splitByChar('/', addressToLine(addr))[-1], '#', demangle(addressToSymbol(addr)) ) name from system.trace_log group by addr format TSVWithNamesAndTypes" > left-addresses.tsv ||: &
clickhouse-client --port 9001 --query "select * from system.metric_log format TSVWithNamesAndTypes" > left-metric-log.tsv ||: &
clickhouse-client --port 9002 --query "select * from system.query_log where type = 2 format TSVWithNamesAndTypes" > right-query-log.tsv ||: &
clickhouse-client --port 9002 --query "select * from system.query_thread_log format TSVWithNamesAndTypes" > right-query-thread-log.tsv ||: &
clickhouse-client --port 9002 --query "select * from system.trace_log format TSVWithNamesAndTypes" > right-trace-log.tsv ||: &
clickhouse-client --port 9002 --query "select arrayJoin(trace) addr, concat(splitByChar('/', addressToLine(addr))[-1], '#', demangle(addressToSymbol(addr)) ) name from system.trace_log group by addr format TSVWithNamesAndTypes" > right-addresses.tsv ||: &
clickhouse-client --port 9002 --query "select * from system.metric_log format TSVWithNamesAndTypes" > right-metric-log.tsv ||: &
wait
# Just check that the servers are alive so that we return a proper exit code.
# We don't consistently check the return codes of the above background jobs.
clickhouse-client --port 9001 --query "select 1"
clickhouse-client --port 9002 --query "select 1"
}
function build_log_column_definitions
{
# FIXME This loop builds column definitons from TSVWithNamesAndTypes in an
# absolutely atrocious way. This should be done by the file() function itself.
for x in {right,left}-{addresses,{query,query-thread,trace,metric}-log}.tsv
do
paste -d' ' \
<(sed -n '1{s/\t/\n/g;p;q}' "$x" | sed 's/\(^.*$\)/"\1"/') \
<(sed -n '2{s/\t/\n/g;p;q}' "$x" ) \
| tr '\n' ', ' | sed 's/,$//' > "$x.columns"
done
}
# Build and analyze randomization distribution for all queries.
function analyze_queries
{
rm -v analyze-commands.txt analyze-errors.log all-queries.tsv unstable-queries.tsv ./*-report.tsv raw-queries.tsv ||:
rm -rf analyze ||:
mkdir analyze analyze/tmp ||:
build_log_column_definitions
# Split the raw test output into files suitable for analysis.
IFS=$'\n'
for test_file in $(find . -maxdepth 1 -name "*-raw.tsv" -print)
do
test_name=$(basename "$test_file" "-raw.tsv")
sed -n "s/^query\t/$test_name\t/p" < "$test_file" >> "analyze/query-runs.tsv"
sed -n "s/^client-time/$test_name/p" < "$test_file" >> "analyze/client-times.tsv"
sed -n "s/^report-threshold/$test_name/p" < "$test_file" >> "analyze/report-thresholds.tsv"
sed -n "s/^skipped/$test_name/p" < "$test_file" >> "analyze/skipped-tests.tsv"
sed -n "s/^display-name/$test_name/p" < "$test_file" >> "analyze/query-display-names.tsv"
done
unset IFS
# for each query run, prepare array of metrics from query log
clickhouse-local --query "
create view query_runs as select * from file('analyze/query-runs.tsv', TSV,
'test text, query_index int, query_id text, version UInt8, time float');
create view left_query_log as select *
from file('left-query-log.tsv', TSVWithNamesAndTypes,
'$(cat "left-query-log.tsv.columns")');
create view right_query_log as select *
from file('right-query-log.tsv', TSVWithNamesAndTypes,
'$(cat "right-query-log.tsv.columns")');
create table query_metrics engine File(TSV, -- do not add header -- will parse with grep
'analyze/query-run-metrics.tsv')
as select
test, query_index, 0 run, version,
[
-- server-reported time
query_duration_ms / toFloat64(1000)
, toFloat64(memory_usage)
-- client-reported time
, query_runs.time
] metrics
from (
select query_duration_ms, memory_usage, query_id, 0 version from left_query_log
union all
select query_duration_ms, memory_usage, query_id, 1 version from right_query_log
) query_logs
right join query_runs
using (query_id, version)
order by test, query_index
;
"
# This is a lateral join in bash... please forgive me.
# We don't have arrayPermute(), so I have to make random permutations with
# `order by rand`, and it becomes really slow if I do it for more than one
# query. We also don't have lateral joins. So I just put all runs of each
# query into a separate file, and then compute randomization distribution
# for each file. I do this in parallel using GNU parallel.
query_index=1
IFS=$'\n'
for prefix in $(cut -f1,2 "analyze/query-run-metrics.tsv" | sort | uniq)
do
file="analyze/tmp/$(echo "$prefix" | sed 's/\t/_/g').tsv"
grep "^$prefix " "analyze/query-run-metrics.tsv" > "$file" &
printf "%s\0\n" \
"clickhouse-local \
--file \"$file\" \
--structure 'test text, query text, run int, version UInt8, metrics Array(float)' \
--query \"$(cat "$script_dir/eqmed.sql")\" \
>> \"analyze/query-reports.tsv\"" \
2>> analyze/errors.log \
>> analyze/commands.txt
done
wait
unset IFS
parallel --joblog analyze/parallel-log.txt --null < analyze/commands.txt 2>> analyze/errors.log
}
# Analyze results
function report
{
rm -r report ||:
mkdir report report/tmp ||:
rm ./*.{rep,svg} test-times.tsv test-dump.tsv unstable.tsv unstable-query-ids.tsv unstable-query-metrics.tsv changed-perf.tsv unstable-tests.tsv unstable-queries.tsv bad-tests.tsv slow-on-client.tsv all-queries.tsv run-errors.tsv ||:
build_log_column_definitions
cat analyze/errors.log >> report/errors.log ||:
cat profile-errors.log >> report/errors.log ||:
clickhouse-local --query "
create view query_display_names as select * from
file('analyze/query-display-names.tsv', TSV,
'test text, query_index int, query_display_name text')
;
create table query_metric_stats engine File(TSVWithNamesAndTypes,
'report/query-metric-stats.tsv') as
select metric_name, left, right, diff, stat_threshold, test, query_index,
query_display_name
from file ('analyze/query-reports.tsv', TSV, 'left Array(float),
right Array(float), diff Array(float), stat_threshold Array(float),
test text, query_index int') reports
left array join ['server_time', 'memory', 'client_time'] as metric_name,
left, right, diff, stat_threshold
left join query_display_names
on reports.test = query_display_names.test
and reports.query_index = query_display_names.query_index
;
-- Main statistics for queries -- query time as reported in query log.
create table queries engine File(TSVWithNamesAndTypes, 'report/queries.tsv')
as select
-- FIXME Comparison mode doesn't make sense for queries that complete
-- immediately, so for now we pretend they don't exist. We don't want to
-- remove them altogether because we want to be able to detect regressions,
-- but the right way to do this is not yet clear.
(left + right) / 2 < 0.02 as short,
not short and abs(diff) > report_threshold and abs(diff) > stat_threshold as changed_fail,
not short and abs(diff) > report_threshold - 0.05 and abs(diff) > stat_threshold as changed_show,
not short and not changed_fail and stat_threshold > report_threshold + 0.10 as unstable_fail,
not short and not changed_show and stat_threshold > report_threshold - 0.05 as unstable_show,
left, right, diff, stat_threshold,
if(report_threshold > 0, report_threshold, 0.10) as report_threshold,
test, query_index, query_display_name
from query_metric_stats
left join file('analyze/report-thresholds.tsv', TSV,
'test text, report_threshold float') thresholds
on query_metric_stats.test = thresholds.test
where metric_name = 'server_time'
order by test, query_index, metric_name
;
-- keep the table in old format so that we can analyze new and old data together
create table queries_old_format engine File(TSVWithNamesAndTypes, 'queries.rep')
as select short, changed_fail, unstable_fail, left, right, diff,
stat_threshold, test, query_display_name query
from queries
;
-- save all test runs as JSON for the new comparison page
create table all_query_runs_json engine File(JSON, 'report/all-query-runs.json') as
select test, query_index, query_display_name query,
left, right, diff, stat_threshold, report_threshold,
versions_runs[1] runs_left, versions_runs[2] runs_right
from (
select
test, query_index,
groupArrayInsertAt(runs, version) versions_runs
from (
select
test, query_index, version,
groupArray(metrics[1]) runs
from file('analyze/query-run-metrics.tsv', TSV,
'test text, query_index int, run int, version UInt8, metrics Array(float)')
group by test, query_index, version
)
group by test, query_index
) runs
left join query_display_names
on runs.test = query_display_names.test
and runs.query_index = query_display_names.query_index
left join file('analyze/report-thresholds.tsv',
TSV, 'test text, report_threshold float') thresholds
on runs.test = thresholds.test
left join query_metric_stats
on runs.test = query_metric_stats.test
and runs.query_index = query_metric_stats.query_index
where
query_metric_stats.metric_name = 'server_time'
;
create table changed_perf_tsv engine File(TSV, 'report/changed-perf.tsv') as
select left, right, diff, stat_threshold, changed_fail, test, query_display_name
from queries where changed_show order by abs(diff) desc;
create table unstable_queries_tsv engine File(TSV, 'report/unstable-queries.tsv') as
select left, right, diff, stat_threshold, unstable_fail, test, query_display_name
from queries where unstable_show order by stat_threshold desc;
create table queries_for_flamegraph engine File(TSVWithNamesAndTypes,
'report/queries-for-flamegraph.tsv') as
select test, query_index from queries where unstable_show or changed_show
;
create table unstable_tests_tsv engine File(TSV, 'report/bad-tests.tsv') as
select test, sum(unstable_fail) u, sum(changed_fail) c, u + c s from queries
group by test having s > 0 order by s desc;
create table query_time engine Memory as select *
from file('analyze/client-times.tsv', TSV,
'test text, query_index int, client float, server float');
create table wall_clock engine Memory as select *
from file('wall-clock-times.tsv', TSV, 'test text, real float, user float, system float');
create table slow_on_client_tsv engine File(TSV, 'report/slow-on-client.tsv') as
select client, server, floor(client/server, 3) p, test, query_display_name
from query_time left join query_display_names using (test, query_index)
where p > 1.02 order by p desc;
create table test_time engine Memory as
select test, sum(client) total_client_time,
maxIf(client, not short) query_max,
minIf(client, not short) query_min,
count(*) queries, sum(short) short_queries
from query_time full join queries using (test, query_index)
group by test;
create table test_times_tsv engine File(TSV, 'report/test-times.tsv') as
select wall_clock.test, real,
floor(total_client_time, 3),
queries,
short_queries,
floor(query_max, 3),
floor(real / queries, 3) avg_real_per_query,
floor(query_min, 3)
from test_time
-- wall clock times are also measured for skipped tests, so don't
-- do full join
left join wall_clock using test
order by avg_real_per_query desc;
-- report for all queries page, only main metric
create table all_tests_tsv engine File(TSV, 'report/all-queries.tsv') as
select changed_fail, unstable_fail,
left, right, diff,
floor(left > right ? left / right : right / left, 3),
stat_threshold, test, query_display_name
from queries order by test, query_display_name;
-- new report for all queries with all metrics (no page yet)
create table all_query_metrics_tsv engine File(TSV, 'report/all-query-metrics.tsv') as
select metric_name, left, right, diff,
floor(left > right ? left / right : right / left, 3),
stat_threshold, test, query_index, query_display_name
from query_metric_stats
order by test, query_index;
" 2> >(tee -a report/errors.log 1>&2)
# Prepare source data for metrics and flamegraphs for unstable queries.
for version in {right,left}
do
rm -rf data
clickhouse-local --query "
create view queries_for_flamegraph as
select * from file('report/queries-for-flamegraph.tsv', TSVWithNamesAndTypes,
'test text, query_index int');
create view query_runs as
with 0 as left, 1 as right
select * from file('analyze/query-runs.tsv', TSV,
'test text, query_index int, query_id text, version UInt8, time float')
where version = $version
;
create view query_display_names as select * from
file('analyze/query-display-names.tsv', TSV,
'test text, query_index int, query_display_name text')
;
create table unstable_query_runs engine File(TSVWithNamesAndTypes,
'unstable-query-runs.$version.rep') as
select test, query_index, query_display_name, query_id
from query_runs
join queries_for_flamegraph on
query_runs.test = queries_for_flamegraph.test
and query_runs.query_index = queries_for_flamegraph.query_index
left join query_display_names on
query_runs.test = query_display_names.test
and query_runs.query_index = query_display_names.query_index
;
create view query_log as select *
from file('$version-query-log.tsv', TSVWithNamesAndTypes,
'$(cat "$version-query-log.tsv.columns")');
create table unstable_run_metrics engine File(TSVWithNamesAndTypes,
'unstable-run-metrics.$version.rep') as
select
test, query_index, query_id,
ProfileEvents.Values value, ProfileEvents.Names metric
from query_log array join ProfileEvents
join unstable_query_runs using (query_id)
;
create table unstable_run_metrics_2 engine File(TSVWithNamesAndTypes,
'unstable-run-metrics-2.$version.rep') as
select
test, query_index, query_id,
v, n
from (
select
test, query_index, query_id,
['memory_usage', 'read_bytes', 'written_bytes', 'query_duration_ms'] n,
[memory_usage, read_bytes, written_bytes, query_duration_ms] v
from query_log
join unstable_query_runs using (query_id)
)
array join v, n;
create view trace_log as select *
from file('$version-trace-log.tsv', TSVWithNamesAndTypes,
'$(cat "$version-trace-log.tsv.columns")');
create view addresses_src as select addr,
-- Some functions change name between builds, e.g. '__clone' or 'clone' or
-- even '__GI__clone@@GLIBC_2.32'. This breaks differential flame graphs, so
-- filter them out here.
[name, 'clone.S (filtered by script)', 'pthread_cond_timedwait (filtered by script)']
-- this line is a subscript operator of the above array
[1 + multiSearchFirstIndex(name, ['clone.S', 'pthread_cond_timedwait'])] name
from file('$version-addresses.tsv', TSVWithNamesAndTypes,
'$(cat "$version-addresses.tsv.columns")');
create table addresses_join_$version engine Join(any, left, address) as
select addr address, name from addresses_src;
create table unstable_run_traces engine File(TSVWithNamesAndTypes,
'unstable-run-traces.$version.rep') as
select
test, query_index, query_id,
count() value,
joinGet(addresses_join_$version, 'name', arrayJoin(trace))
|| '(' || toString(trace_type) || ')' metric
from trace_log
join unstable_query_runs using query_id
group by test, query_index, query_id, metric
order by count() desc
;
create table metric_devation engine File(TSVWithNamesAndTypes,
'report/metric-deviation.$version.tsv') as
-- first goes the key used to split the file with grep
select test, query_index, query_display_name,
d, q, metric
from (
select
test, query_index,
floor((q[3] - q[1])/q[2], 3) d,
quantilesExact(0, 0.5, 1)(value) q, metric
from (select * from unstable_run_metrics
union all select * from unstable_run_traces
union all select * from unstable_run_metrics_2) mm
group by test, query_index, metric
having d > 0.5
) metrics
left join query_display_names using (test, query_index)
order by test, query_index, d desc
;
create table stacks engine File(TSV, 'report/stacks.$version.tsv') as
select
-- first goes the key used to split the file with grep
test, query_index, trace_type, any(query_display_name),
-- next go the stacks in flamegraph format: 'func1;...;funcN count'
arrayStringConcat(
arrayMap(
addr -> joinGet(addresses_join_$version, 'name', addr),
arrayReverse(trace)
),
';'
) readable_trace,
count() c
from trace_log
join unstable_query_runs using query_id
group by test, query_index, trace_type, trace
order by test, query_index, trace_type, trace
;
" 2> >(tee -a report/errors.log 1>&2) # do not run in parallel because they use the same data dir for StorageJoins which leads to weird errors.
done
wait
# Create per-query flamegraphs
IFS=$'\n'
for version in {right,left}
do
for query in $(cut -d' ' -f1-4 "report/stacks.$version.tsv" | sort | uniq)
do
query_file=$(echo "$query" | cut -c-120 | sed 's/[/ ]/_/g')
echo "$query_file" >> report/query-files.txt
# Build separate .svg flamegraph for each query.
# -F is somewhat unsafe because it might match not the beginning of the
# string, but this is unlikely and escaping the query for grep is a pain.
grep -F "$query " "report/stacks.$version.tsv" \
| cut -f 5- \
| sed 's/\t/ /g' \
| tee "report/tmp/$query_file.stacks.$version.tsv" \
| ~/fg/flamegraph.pl --hash > "$query_file.$version.svg" &
done
done
wait
unset IFS
# Create differential flamegraphs.
IFS=$'\n'
for query_file in $(cat report/query-files.txt)
do
~/fg/difffolded.pl "report/tmp/$query_file.stacks.left.tsv" \
"report/tmp/$query_file.stacks.right.tsv" \
| tee "report/tmp/$query_file.stacks.diff.tsv" \
| ~/fg/flamegraph.pl > "$query_file.diff.svg" &
done
unset IFS
wait
# Create per-query files with metrics. Note that the key is different from flamegraphs.
IFS=$'\n'
for version in {right,left}
do
for query in $(cut -d' ' -f1-3 "report/metric-deviation.$version.tsv" | sort | uniq)
do
query_file=$(echo "$query" | cut -c-120 | sed 's/[/ ]/_/g')
# Ditto the above comment about -F.
grep -F "$query " "report/metric-deviation.$version.tsv" \
| cut -f4- > "$query_file.$version.metrics.rep" &
done
done
wait
unset IFS
# Remember that grep sets error code when nothing is found, hence the bayan
# operator.
grep -H -m2 -i '\(Exception\|Error\):[^:]' ./*-err.log | sed 's/:/\t/' >> run-errors.tsv ||:
}
# Check that local and client are in PATH
clickhouse-local --version > /dev/null
clickhouse-client --version > /dev/null
case "$stage" in
"")
;&
"configure")
time configure
;&
"restart")
time restart
;&
"run_tests")
# Ignore the errors to collect the log and build at least some report, anyway
time run_tests ||:
;&
"get_profiles")
# Getting profiles inexplicably hangs sometimes, so try to save some logs if
# this happens again. Give the servers some time to collect all info, then
# trace and kill. Start in a subshell, so that both function don't interfere
# with each other's jobs through `wait`. Also make the subshell have its own
# process group, so that we can then kill it with all its child processes.
# Somehow it doesn't kill the children by itself when dying.
set -m
( get_profiles_watchdog ) &
watchdog_pid=$!
set +m
# Check that the watchdog started OK.
kill -0 $watchdog_pid
# If the tests fail with OOM or something, still try to restart the servers
# to collect the logs. Prefer not to restart, because addresses might change
# and we won't be able to process trace_log data. Start in a subshell, so that
# it doesn't interfere with the watchdog through `wait`.
( get_profiles || restart || get_profiles ||: )
# Kill the whole process group, because somehow when the subshell is killed,
# the sleep inside remains alive and orphaned.
while env kill -- -$watchdog_pid ; do sleep 1; done
# Stop the servers to free memory for the subsequent query analysis.
while killall clickhouse; do echo . ; sleep 1 ; done
echo Servers stopped.
;&
"analyze_queries")
time analyze_queries ||:
;&
"report")
time report ||:
time "$script_dir/report.py" --report=all-queries > all-queries.html 2> >(tee -a report/errors.log 1>&2) ||:
time "$script_dir/report.py" > report.html
;&
esac
# Print some final debug info to help debug Weirdness, of which there is plenty.
jobs
pstree -apgT
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