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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/rocksdb/tools/advisor/test/test_db_stats_fetcher.py | |
parent | Initial commit. (diff) | |
download | ceph-upstream/16.2.11+ds.tar.xz ceph-upstream/16.2.11+ds.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/tools/advisor/test/test_db_stats_fetcher.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/rocksdb/tools/advisor/test/test_db_stats_fetcher.py b/src/rocksdb/tools/advisor/test/test_db_stats_fetcher.py new file mode 100644 index 000000000..afbbe8339 --- /dev/null +++ b/src/rocksdb/tools/advisor/test/test_db_stats_fetcher.py @@ -0,0 +1,126 @@ +# Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +# This source code is licensed under both the GPLv2 (found in the +# COPYING file in the root directory) and Apache 2.0 License +# (found in the LICENSE.Apache file in the root directory). + +from advisor.db_stats_fetcher import LogStatsParser, DatabasePerfContext +from advisor.db_timeseries_parser import NO_ENTITY +from advisor.rule_parser import Condition, TimeSeriesCondition +import os +import time +import unittest +from unittest.mock import MagicMock + + +class TestLogStatsParser(unittest.TestCase): + def setUp(self): + this_path = os.path.abspath(os.path.dirname(__file__)) + stats_file = os.path.join( + this_path, 'input_files/log_stats_parser_keys_ts' + ) + # populate the keys_ts dictionary of LogStatsParser + self.stats_dict = {NO_ENTITY: {}} + with open(stats_file, 'r') as fp: + for line in fp: + stat_name = line.split(':')[0].strip() + self.stats_dict[NO_ENTITY][stat_name] = {} + token_list = line.split(':')[1].strip().split(',') + for token in token_list: + timestamp = int(token.split()[0]) + value = float(token.split()[1]) + self.stats_dict[NO_ENTITY][stat_name][timestamp] = value + self.log_stats_parser = LogStatsParser('dummy_log_file', 20) + self.log_stats_parser.keys_ts = self.stats_dict + + def test_check_and_trigger_conditions_bursty(self): + # mock fetch_timeseries() because 'keys_ts' has been pre-populated + self.log_stats_parser.fetch_timeseries = MagicMock() + # condition: bursty + cond1 = Condition('cond-1') + cond1 = TimeSeriesCondition.create(cond1) + cond1.set_parameter('keys', 'rocksdb.db.get.micros.p50') + cond1.set_parameter('behavior', 'bursty') + cond1.set_parameter('window_sec', 40) + cond1.set_parameter('rate_threshold', 0) + self.log_stats_parser.check_and_trigger_conditions([cond1]) + expected_cond_trigger = { + NO_ENTITY: {1530896440: 0.9767546362322214} + } + self.assertDictEqual(expected_cond_trigger, cond1.get_trigger()) + # ensure that fetch_timeseries() was called once + self.log_stats_parser.fetch_timeseries.assert_called_once() + + def test_check_and_trigger_conditions_eval_agg(self): + # mock fetch_timeseries() because 'keys_ts' has been pre-populated + self.log_stats_parser.fetch_timeseries = MagicMock() + # condition: evaluate_expression + cond1 = Condition('cond-1') + cond1 = TimeSeriesCondition.create(cond1) + cond1.set_parameter('keys', 'rocksdb.db.get.micros.p50') + cond1.set_parameter('behavior', 'evaluate_expression') + keys = [ + 'rocksdb.manifest.file.sync.micros.p99', + 'rocksdb.db.get.micros.p50' + ] + cond1.set_parameter('keys', keys) + cond1.set_parameter('aggregation_op', 'latest') + # condition evaluates to FALSE + cond1.set_parameter('evaluate', 'keys[0]-(keys[1]*100)>200') + self.log_stats_parser.check_and_trigger_conditions([cond1]) + expected_cond_trigger = {NO_ENTITY: [1792.0, 15.9638]} + self.assertIsNone(cond1.get_trigger()) + # condition evaluates to TRUE + cond1.set_parameter('evaluate', 'keys[0]-(keys[1]*100)<200') + self.log_stats_parser.check_and_trigger_conditions([cond1]) + expected_cond_trigger = {NO_ENTITY: [1792.0, 15.9638]} + self.assertDictEqual(expected_cond_trigger, cond1.get_trigger()) + # ensure that fetch_timeseries() was called + self.log_stats_parser.fetch_timeseries.assert_called() + + def test_check_and_trigger_conditions_eval(self): + # mock fetch_timeseries() because 'keys_ts' has been pre-populated + self.log_stats_parser.fetch_timeseries = MagicMock() + # condition: evaluate_expression + cond1 = Condition('cond-1') + cond1 = TimeSeriesCondition.create(cond1) + cond1.set_parameter('keys', 'rocksdb.db.get.micros.p50') + cond1.set_parameter('behavior', 'evaluate_expression') + keys = [ + 'rocksdb.manifest.file.sync.micros.p99', + 'rocksdb.db.get.micros.p50' + ] + cond1.set_parameter('keys', keys) + cond1.set_parameter('evaluate', 'keys[0]-(keys[1]*100)>500') + self.log_stats_parser.check_and_trigger_conditions([cond1]) + expected_trigger = {NO_ENTITY: { + 1530896414: [9938.0, 16.31508], + 1530896440: [9938.0, 16.346602], + 1530896466: [9938.0, 16.284669], + 1530896492: [9938.0, 16.16005] + }} + self.assertDictEqual(expected_trigger, cond1.get_trigger()) + self.log_stats_parser.fetch_timeseries.assert_called_once() + + +class TestDatabasePerfContext(unittest.TestCase): + def test_unaccumulate_metrics(self): + perf_dict = { + "user_key_comparison_count": 675903942, + "block_cache_hit_count": 830086, + } + timestamp = int(time.time()) + perf_ts = {} + for key in perf_dict: + perf_ts[key] = {} + start_val = perf_dict[key] + for ix in range(5): + perf_ts[key][timestamp+(ix*10)] = start_val + (2 * ix * ix) + db_perf_context = DatabasePerfContext(perf_ts, 10, True) + timestamps = [timestamp+(ix*10) for ix in range(1, 5, 1)] + values = [val for val in range(2, 15, 4)] + inner_dict = {timestamps[ix]: values[ix] for ix in range(4)} + expected_keys_ts = {NO_ENTITY: { + 'user_key_comparison_count': inner_dict, + 'block_cache_hit_count': inner_dict + }} + self.assertDictEqual(expected_keys_ts, db_perf_context.keys_ts) |