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performance comparison

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This commit is contained in:
Alexander Kuzmenkov 2020-04-28 10:45:35 +03:00
parent fce4072f9d
commit ed1576507b
9 changed files with 131 additions and 95 deletions
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121
docker/test/performance-comparison/compare.sh
View File

@ -100,7 +100,7 @@ function run_tests
# changes.
test_prefix=$([ "$PR_TO_TEST" == "0" ] && echo left || echo right)/performance
for x in {test-times,skipped-tests,wall-clock-times}.tsv
for x in {test-times,skipped-tests,wall-clock-times,report-thresholds,client-times}.tsv
do
rm -v "$x" ||:
touch "$x"
@ -161,7 +161,8 @@ function run_tests
mv "$test_name-err.log" "$test_name-warn.log"
grep ^query "$test_name-raw.tsv" | cut -f2- > "$test_name-queries.tsv"
grep ^client-time "$test_name-raw.tsv" | cut -f2- > "$test_name-client-time.tsv"
sed -n 's/^client-time/$test_name/p' < "$test_name-raw.tsv" >> "client-times.tsv"
sed -n 's/^threshold/$test_name/p' < "$test_name-raw.tsv" >> "report-thresholds.tsv"
skipped=$(grep ^skipped "$test_name-raw.tsv" | cut -f2-)
if [ "$skipped" != "" ]
then
@ -267,23 +268,17 @@ parallel --verbose --null < analyze-commands.txt
function report
{
for x in {right,left}-{addresses,{query,query-thread,trace,metric}-log}.tsv
do
# FIXME This loop builds column definitons from TSVWithNamesAndTypes in an
# absolutely atrocious way. This should be done by the file() function itself.
paste -d' ' \
<(sed -n '1{s/\t/\n/g;p;q}' "$x" | sed 's/\(^.*$\)/"\1"/') \
<(sed -n '2{s/\t/\n/g;p;q}' "$x" ) \
| tr '\n' ', ' | sed 's/,$//' > "$x.columns"
done
rm -r report ||:
mkdir report ||:
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 ||:
cat analyze-errors.log >> report-errors.rep ||:
cat profile-errors.log >> report-errors.rep ||:
cat analyze-errors.log >> report/errors.log ||:
cat profile-errors.log >> report/errors.log ||:
clickhouse-local --query "
create table queries engine File(TSVWithNamesAndTypes, 'queries.rep')
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
@ -291,36 +286,56 @@ create table queries engine File(TSVWithNamesAndTypes, 'queries.rep')
-- but the right way to do this is not yet clear.
(left + right) / 2 < 0.02 as short,
not short and abs(diff) > 0.05 and abs(diff) > threshold as changed,
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 and threshold > 0.05 as unstable,
not short and not changed_fail and stat_threshold > report_threshold + 0.05 as unstable_fail,
not short and not changed_show and stat_threshold > report_threshold - 0.05 as unstable_show,
left, right, diff, threshold,
replaceAll(_file, '-report.tsv', '') test,
left, right, diff, stat_threshold,
if(report_threshold > 0, report_threshold, 0.10) as report_threshold,
reports.test,
-- Truncate long queries.
if(length(query) < 300, query, substr(query, 1, 298) || '...') query
from file('*-report.tsv', TSV, 'left float, right float, diff float, threshold float, query text');
from
(
select *,
replaceAll(_file, '-report.tsv', '') test
from file('*-report.tsv', TSV, 'left float, right float, diff float, stat_threshold float, query text')
) reports
left join file('report-thresholds.tsv', TSV, 'test text, report_threshold float') thresholds
using test
;
create table changed_perf_tsv engine File(TSV, 'changed-perf.tsv') as
select left, right, diff, threshold, test, query from queries where changed
-- 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
from queries
;
create table changed_perf_tsv engine File(TSV, 'report/changed-perf.tsv') as
select left, right, diff, stat_threshold, changed_fail, test, query from queries where changed_show
order by abs(diff) desc;
create table unstable_queries_tsv engine File(TSV, 'unstable-queries.tsv') as
select left, right, diff, threshold, test, query from queries where unstable
order by threshold desc;
create table unstable_queries_tsv engine File(TSV, 'report/unstable-queries.tsv') as
select left, right, diff, stat_threshold, unstable_fail, test, query from queries where unstable_show
order by stat_threshold desc;
create table unstable_tests_tsv engine File(TSV, 'bad-tests.tsv') as
select test, sum(unstable) u, sum(changed) c, u + c s from queries
create table queries_for_flamegraph engine File(TSVWithNamesAndTypes, 'report/queries-for-flamegraph.tsv') as
select query, test 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 *, replaceAll(_file, '-client-time.tsv', '') test
from file('*-client-time.tsv', TSV, 'query text, client float, server float');
create table query_time engine Memory as select *
from file('client-times.tsv', TSV, 'test text, query text, 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, 'slow-on-client.tsv') as
create table slow_on_client_tsv engine File(TSV, 'report/slow-on-client.tsv') as
select client, server, floor(client/server, 3) p, query
from query_time where p > 1.02 order by p desc;
@ -334,7 +349,7 @@ create table test_time engine Memory as
where query_time.query = queries.query
group by test;
create table test_times_tsv engine File(TSV, 'test-times.tsv') as
create table test_times_tsv engine File(TSV, 'report/test-times.tsv') as
select wall_clock.test, real,
floor(total_client_time, 3),
queries,
@ -345,20 +360,30 @@ create table test_times_tsv engine File(TSV, 'test-times.tsv') as
from test_time join wall_clock using test
order by avg_real_per_query desc;
create table all_tests_tsv engine File(TSV, 'all-queries.tsv') as
select left, right, diff,
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),
threshold, test, query
stat_threshold, test, query
from queries order by test, query;
" 2> >(head -2 >> report-errors.rep) ||:
" 2> >(tee -a report/errors.log 1>&2)
for x in {right,left}-{addresses,{query,query-thread,trace,metric}-log}.tsv
do
# FIXME This loop builds column definitons from TSVWithNamesAndTypes in an
# absolutely atrocious way. This should be done by the file() function itself.
paste -d' ' \
<(sed -n '1{s/\t/\n/g;p;q}' "$x" | sed 's/\(^.*$\)/"\1"/') \
<(sed -n '2{s/\t/\n/g;p;q}' "$x" ) \
| tr '\n' ', ' | sed 's/,$//' > "$x.columns"
done
for version in {right,left}
do
clickhouse-local --query "
create view queries as
select * from file('queries.rep', TSVWithNamesAndTypes,
'short int, changed int, unstable int, left float, right float,
diff float, threshold float, test text, query text');
create view queries_for_flamegraph as
select * from file('report/queries-for-flamegraph.tsv', TSVWithNamesAndTypes,
'query text, test text');
create view query_log as select *
from file('$version-query-log.tsv', TSVWithNamesAndTypes,
@ -377,9 +402,9 @@ create table addresses_join_$version engine Join(any, left, address) as
create table unstable_query_runs engine File(TSVWithNamesAndTypes,
'unstable-query-runs.$version.rep') as
select query_id, query from query_log
join queries using query
where query_id not like 'prewarm %' and (unstable or changed)
select query, query_id from query_log
where query in (select query from queries_for_flamegraph)
and query_id not like 'prewarm %'
;
create table unstable_query_log engine File(Vertical,
@ -427,10 +452,10 @@ create table metric_devation engine File(TSVWithNamesAndTypes,
from (select * from unstable_run_metrics
union all select * from unstable_run_traces
union all select * from unstable_run_metrics_2) mm
join queries using query
join queries_for_flamegraph using query
group by query, metric
having d > 0.5
order by any(threshold) desc, query desc, d desc
order by query desc, d desc
;
create table stacks engine File(TSV, 'stacks.$version.rep') as
@ -447,7 +472,7 @@ create table stacks engine File(TSV, 'stacks.$version.rep') as
join unstable_query_runs using query_id
group by query, trace
;
" 2> >(head -2 >> report-errors.rep) ||: # do not run in parallel because they use the same data dir for StorageJoins which leads to weird errors.
" 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
@ -524,12 +549,12 @@ case "$stage" in
echo Servers stopped.
;&
"analyze_queries")
time analyze_queries ||:
time analyze_queries
;&
"report")
time report ||:
time report
time "$script_dir/report.py" --report=all-queries > all-queries.html 2> >(head -2 >> report-errors.rep) ||:
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

3
docker/test/performance-comparison/download.sh
View File

@ -30,7 +30,8 @@ function download
wget -nv -nd -c "https://clickhouse-builds.s3.yandex.net/$left_pr/$left_sha/performance/performance.tgz" -O- | tar -C left --strip-components=1 -zxv &
wget -nv -nd -c "https://clickhouse-builds.s3.yandex.net/$right_pr/$right_sha/performance/performance.tgz" -O- | tar -C right --strip-components=1 -zxv &
else
wget -nv -nd -c "https://clickhouse-builds.s3.yandex.net/$left_pr/$left_sha/performance/performance.tgz" -O- | tar -C left --strip-components=1 -zxv && cp -a left right &
mkdir right ||:
wget -nv -nd -c "https://clickhouse-builds.s3.yandex.net/$left_pr/$left_sha/performance/performance.tgz" -O- | tar -C left --strip-components=1 -zxv && cp -a left/* right &
fi
for dataset_name in $datasets

8
docker/test/performance-comparison/eqmed.sql
View File

@ -9,8 +9,12 @@ from
(
-- quantiles of randomization distributions
select quantileExact(0.999)(abs(time_by_label[1] - time_by_label[2]) as d) threshold
-- uncomment to see what the distribution is really like
-- , sumMap([d], [1]) full_histogram
---- uncomment to see what the distribution is really like
--, uniqExact(d) u
--, arraySort(x->x.1,
-- arrayZip(
-- (sumMap([d], [1]) as f).1,
-- f.2)) full_histogram
from
(
select virtual_run, groupArrayInsertAt(median_time, random_label) time_by_label -- make array 'random label' -> 'median time'

4
docker/test/performance-comparison/perf.py
View File

@ -48,6 +48,10 @@ infinite_sign = root.find('.//average_speed_not_changing_for_ms')
if infinite_sign is not None:
raise Exception('Looks like the test is infinite (sign 1)')
# Print report threshold for the test if it is set.
if 'max_ignored_relative_change' in root.attrib:
print(f'report-threshold\t{root.attrib["max_ignored_relative_change"]}')
# Open connections
servers = [{'host': host, 'port': port} for (host, port) in zip(args.host, args.port)]
connections = [clickhouse_driver.Client(**server) for server in servers]

76
docker/test/performance-comparison/report.py
View File

@ -95,7 +95,8 @@ def tableRow(cell_values, cell_attributes = []):
return tr(''.join([td(v, a)
for v, a in itertools.zip_longest(
cell_values, cell_attributes,
fillvalue = '')]))
fillvalue = '')
if a is not None]))
def tableHeader(r):
return tr(''.join([th(f) for f in r]))
@ -148,7 +149,7 @@ if args.report == 'main':
open('right-commit.txt').read()]]])
def print_changes():
rows = tsvRows('changed-perf.tsv')
rows = tsvRows('report/changed-perf.tsv')
if not rows:
return
@ -160,22 +161,25 @@ if args.report == 'main':
'New, s', # 1
'Relative difference (new&nbsp;-&nbsp;old)/old', # 2
'p&nbsp;<&nbsp;0.001 threshold', # 3
'Test', # 4
'Query', # 5
# Failed # 4
'Test', # 5
'Query', # 6
]
print(tableHeader(columns))
attrs = ['' for c in columns]
attrs[4] = None
for row in rows:
attrs[2] = ''
if abs(float(row[2])) > 0.10:
if int(row[4]):
if float(row[2]) < 0.:
faster_queries += 1
attrs[2] = 'style="background: #adbdff"'
else:
slower_queries += 1
attrs[2] = 'style="background: #ffb0a0"'
else:
attrs[2] = ''
print(tableRow(row, attrs))
@ -183,7 +187,7 @@ if args.report == 'main':
print_changes()
slow_on_client_rows = tsvRows('slow-on-client.tsv')
slow_on_client_rows = tsvRows('report/slow-on-client.tsv')
error_tests += len(slow_on_client_rows)
printSimpleTable('Slow on client',
['Client time, s', 'Server time, s', 'Ratio', 'Query'],
@ -193,7 +197,7 @@ if args.report == 'main':
global unstable_queries
global very_unstable_queries
unstable_rows = tsvRows('unstable-queries.tsv')
unstable_rows = tsvRows('report/unstable-queries.tsv')
if not unstable_rows:
return
@ -204,16 +208,18 @@ if args.report == 'main':
'New, s', #1
'Relative difference (new&nbsp;-&nbsp;old)/old', #2
'p&nbsp;<&nbsp;0.001 threshold', #3
'Test', #4
'Query' #5
# Failed #4
'Test', #5
'Query' #6
]
print(tableStart('Unstable queries'))
print(tableHeader(columns))
attrs = ['' for c in columns]
attrs[4] = None
for r in unstable_rows:
if float(r[3]) > 0.2:
if int(r[4]):
very_unstable_queries += 1
attrs[3] = 'style="background: #ffb0a0"'
else:
@ -234,11 +240,11 @@ if args.report == 'main':
printSimpleTable('Tests with most unstable queries',
['Test', 'Unstable', 'Changed perf', 'Total not OK'],
tsvRows('bad-tests.tsv'))
tsvRows('report/bad-tests.tsv'))
def print_test_times():
global slow_average_tests
rows = tsvRows('test-times.tsv')
rows = tsvRows('report/test-times.tsv')
if not rows:
return
@ -279,7 +285,7 @@ if args.report == 'main':
print_test_times()
# Add the errors reported by various steps of comparison script
report_errors += [l.strip() for l in open('report-errors.rep')]
report_errors += [l.strip() for l in open('report/errors.log')]
if len(report_errors):
print(tableStart('Errors while building the report'))
print(tableHeader(['Error']))
@ -346,40 +352,42 @@ elif args.report == 'all-queries':
open('right-commit.txt').read()]]])
def print_all_queries():
rows = tsvRows('all-queries.tsv')
rows = tsvRows('report/all-queries.tsv')
if not rows:
return
columns = [
'Old, s', #0
'New, s', #1
'Relative difference (new&nbsp;-&nbsp;old)/old', #2
'Times speedup/slowdown', #3
'p&nbsp;<&nbsp;0.001 threshold', #4
'Test', #5
'Query', #6
# Changed #0
# Unstable #1
'Old, s', #2
'New, s', #3
'Relative difference (new&nbsp;-&nbsp;old)/old', #4
'Times speedup/slowdown', #5
'p&nbsp;<&nbsp;0.001 threshold', #6
'Test', #7
'Query', #8
]
print(tableStart('All query times'))
print(tableHeader(columns))
attrs = ['' for c in columns]
attrs[0] = None
attrs[1] = None
for r in rows:
threshold = float(r[3])
if threshold > 0.2:
attrs[4] = 'style="background: #ffb0a0"'
if int(r[1]):
attrs[6] = 'style="background: #ffb0a0"'
else:
attrs[6] = ''
if int(r[0]):
if float(r[4]) > 0.:
attrs[4] = 'style="background: #ffb0a0"'
else:
attrs[4] = 'style="background: #adbdff"'
else:
attrs[4] = ''
diff = float(r[2])
if abs(diff) > threshold and threshold >= 0.05:
if diff > 0.:
attrs[3] = 'style="background: #ffb0a0"'
else:
attrs[3] = 'style="background: #adbdff"'
else:
attrs[3] = ''
print(tableRow(r, attrs))
print(tableEnd())

4
tests/performance/codecs_int_insert.xml
View File

@ -1,6 +1,4 @@
<test>
<test max_ignored_relative_change="0.2">
<substitutions>
<substitution>
<name>codec</name>

2
tests/performance/if_array_string.xml
View File

@ -1,4 +1,4 @@
<test>
<test max_ignored_relative_change="0.2">
<query>SELECT count() FROM zeros(10000000) WHERE NOT ignore(rand() % 2 ? ['Hello', 'World'] : ['a', 'b', 'c'])</query>
<query>SELECT count() FROM zeros(10000000) WHERE NOT ignore(rand() % 2 ? materialize(['Hello', 'World']) : ['a', 'b', 'c'])</query>
<query>SELECT count() FROM zeros(10000000) WHERE NOT ignore(rand() % 2 ? ['Hello', 'World'] : materialize(['a', 'b', 'c']))</query>

5
tests/performance/math.xml
View File

@ -1,7 +1,4 @@
<test>
<test max_ignored_relative_change="0.2">
<substitutions>
<substitution>
<name>func_slow</name>

3
tests/performance/visit_param_extract_raw.xml
View File

@ -1,5 +1,4 @@
<test>
<test max_ignored_relative_change="0.2">
<substitutions>
<substitution>
<name>param</name>