| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.cassandra.tools.nodetool.stats; |
| |
| import java.util.List; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class StatsTableComparatorTest extends TableStatsTestBase |
| { |
| |
| /** |
| * Builds a string of the format "table1 > table2 > ... > tableN-1 > tableN" |
| * to show the order of StatsTables in a sorted list. |
| * @return String a string showing the relative position in the list of its StatsTables |
| */ |
| private String buildSortOrderString(List<StatsTable> sorted) { |
| if (sorted == null) |
| return null; |
| if (sorted.size() == 0) |
| return ""; |
| StringBuilder names = new StringBuilder(sorted.get(0).tableName); |
| for (int i = 1; i < sorted.size(); i++) |
| names.append(" > ").append(sorted.get(i).tableName); |
| return names.toString(); |
| } |
| |
| /** |
| * Reusable runner to test whether StatsTableComparator achieves the expected order for the given parameters. |
| */ |
| private void runCompareTest(List<StatsTable> vector, String sortKey, String expectedOrder, |
| boolean humanReadable, boolean ascending) |
| { |
| vector.sort(new StatsTableComparator(sortKey, humanReadable, ascending)); |
| String failureMessage = String.format("StatsTableComparator failed to sort by %s", sortKey); |
| assertEquals(failureMessage, expectedOrder, buildSortOrderString(vector)); |
| } |
| |
| @Test |
| public void testCompareDoubles() |
| { |
| boolean humanReadable = false; |
| boolean ascending = false; |
| // average live cells: 1 > 6 > 2 > 5 > 3 > 4 |
| runCompareTest(testTables, |
| "average_live_cells_per_slice_last_five_minutes", |
| "table1 > table6 > table2 > table5 > table3 > table4", |
| humanReadable, |
| ascending); |
| // average tombstones: 6 > 1 > 5 > 2 > 3 > 4 |
| runCompareTest(testTables, |
| "average_tombstones_per_slice_last_five_minutes", |
| "table6 > table1 > table5 > table2 > table3 > table4", |
| humanReadable, |
| ascending); |
| // read latency: 3 > 2 > 1 > 6 > 4 > 5 |
| runCompareTest(testTables, |
| "read_latency", |
| "table3 > table2 > table1 > table6 > table4 > table5", |
| humanReadable, |
| ascending); |
| // write latency: 4 > 5 > 6 > 1 > 2 > 3 |
| runCompareTest(testTables, |
| "write_latency", |
| "table4 > table5 > table6 > table1 > table2 > table3", |
| humanReadable, |
| ascending); |
| // percent repaired |
| runCompareTest(testTables, |
| "percent_repaired", |
| "table1 > table2 > table3 > table5 > table4 > table6", |
| humanReadable, |
| ascending); |
| } |
| |
| @Test |
| public void testCompareLongs() |
| { |
| boolean humanReadable = false; |
| boolean ascending = false; |
| // reads: 6 > 5 > 4 > 3 > 2 > 1 |
| runCompareTest(testTables, |
| "reads", |
| "table6 > table5 > table4 > table3 > table2 > table1", |
| humanReadable, |
| ascending); |
| // writes: 1 > 2 > 3 > 4 > 5 > 6 |
| runCompareTest(testTables, |
| "writes", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| ascending); |
| // compacted partition maximum bytes: 1 > 3 > 5 > 2 > 4 = 6 |
| runCompareTest(testTables, |
| "compacted_partition_maximum_bytes", |
| "table1 > table3 > table5 > table2 > table4 > table6", |
| humanReadable, |
| ascending); |
| // compacted partition mean bytes: 1 > 3 > 2 = 4 = 5 > 6 |
| runCompareTest(testTables, |
| "compacted_partition_mean_bytes", |
| "table1 > table3 > table2 > table4 > table5 > table6", |
| humanReadable, |
| ascending); |
| // compacted partition minimum bytes: 6 > 4 > 2 > 5 > 1 = 3 |
| runCompareTest(testTables, |
| "compacted_partition_minimum_bytes", |
| "table6 > table4 > table2 > table5 > table1 > table3", |
| humanReadable, |
| ascending); |
| // maximum live cells last five minutes: 1 > 2 = 3 > 4 = 5 > 6 |
| runCompareTest(testTables, |
| "maximum_live_cells_per_slice_last_five_minutes", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| ascending); |
| // maximum tombstones last five minutes: 6 > 5 > 3 = 4 > 2 > 1 |
| runCompareTest(testTables, |
| "maximum_tombstones_per_slice_last_five_minutes", |
| "table6 > table5 > table3 > table4 > table2 > table1", |
| humanReadable, |
| ascending); |
| } |
| |
| @Test |
| public void testCompareHumanReadable() |
| { |
| boolean humanReadable = true; |
| boolean ascending = false; |
| // human readable space used total: 6 > 5 > 4 > 3 > 2 > 1 |
| runCompareTest(humanReadableTables, |
| "space_used_total", |
| "table6 > table5 > table4 > table3 > table2 > table1", |
| humanReadable, |
| ascending); |
| // human readable memtable data size: 1 > 3 > 5 > 2 > 4 > 6 |
| runCompareTest(humanReadableTables, |
| "memtable_data_size", |
| "table1 > table3 > table5 > table2 > table4 > table6", |
| humanReadable, |
| ascending); |
| } |
| |
| @Test |
| public void testCompareObjects() |
| { |
| boolean humanReadable = false; |
| boolean ascending = false; |
| // bloom filter false positives: 2 > 4 > 6 > 1 > 3 > 5 |
| runCompareTest(testTables, |
| "bloom_filter_false_positives", |
| "table2 > table4 > table6 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // bloom filter false positive ratio: 5 > 3 > 1 > 6 > 4 > 2 |
| runCompareTest(testTables, |
| "bloom_filter_false_ratio", |
| "table5 > table3 > table1 > table6 > table4 > table2", |
| humanReadable, |
| ascending); |
| // memtable cell count: 3 > 5 > 6 > 1 > 2 > 4 |
| runCompareTest(testTables, |
| "memtable_cell_count", |
| "table3 > table5 > table6 > table1 > table2 > table4", |
| humanReadable, |
| ascending); |
| // memtable switch count: 4 > 2 > 3 > 6 > 5 > 1 |
| runCompareTest(testTables, |
| "memtable_switch_count", |
| "table4 > table2 > table3 > table6 > table5 > table1", |
| humanReadable, |
| ascending); |
| // number of partitions estimate: 1 > 2 > 3 > 4 > 5 > 6 |
| runCompareTest(testTables, |
| "number_of_partitions_estimate", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| ascending); |
| // pending flushes: 2 > 1 > 4 > 3 > 6 > 5 |
| runCompareTest(testTables, |
| "pending_flushes", |
| "table2 > table1 > table4 > table3 > table6 > table5", |
| humanReadable, |
| ascending); |
| // sstable compression ratio: 5 > 4 > 1 = 2 = 6 > 3 |
| runCompareTest(testTables, |
| "sstable_compression_ratio", |
| "table5 > table4 > table1 > table2 > table6 > table3", |
| humanReadable, |
| ascending); |
| // sstable count: 1 > 3 > 5 > 2 > 4 > 6 |
| runCompareTest(testTables, |
| "sstable_count", |
| "table1 > table3 > table5 > table2 > table4 > table6", |
| humanReadable, |
| ascending); |
| runCompareTest(testTables, |
| "twcs_max_duration", |
| "table2 > table4 > table1 > table3 > table6 > table5", |
| humanReadable, |
| ascending); |
| } |
| |
| @Test |
| public void testCompareOffHeap() |
| { |
| boolean humanReadable = false; |
| boolean ascending = false; |
| // offheap memory total: 4 > 2 > 6 > 1 = 3 = 5 |
| runCompareTest(testTables, |
| "off_heap_memory_used_total", |
| "table4 > table2 > table6 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // bloom filter offheap: 4 > 6 > 2 > 1 > 3 > 5 |
| runCompareTest(testTables, |
| "bloom_filter_off_heap_memory_used", |
| "table4 > table6 > table2 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // compression metadata offheap: 2 > 4 > 6 > 1 = 3 = 5 |
| runCompareTest(testTables, |
| "compression_metadata_off_heap_memory_used", |
| "table2 > table4 > table6 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // index summary offheap: 6 > 4 > 2 > 1 = 3 = 5 |
| runCompareTest(testTables, |
| "index_summary_off_heap_memory_used", |
| "table6 > table4 > table2 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // memtable offheap: 2 > 6 > 4 > 1 = 3 = 5 |
| runCompareTest(testTables, |
| "memtable_off_heap_memory_used", |
| "table2 > table6 > table4 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| } |
| |
| @Test |
| public void testCompareStrings() |
| { |
| boolean humanReadable = false; |
| boolean ascending = false; |
| // full name (keyspace.table) ascending: 1 > 2 > 3 > 4 > 5 > 6 |
| runCompareTest(testTables, |
| "full_name", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| true); |
| // table name ascending: 6 > 5 > 4 > 3 > 2 > 1 |
| runCompareTest(testTables, |
| "table_name", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| true); |
| // bloom filter space used: 2 > 4 > 6 > 1 > 3 > 5 |
| runCompareTest(testTables, |
| "bloom_filter_space_used", |
| "table2 > table4 > table6 > table1 > table3 > table5", |
| humanReadable, |
| ascending); |
| // dropped mutations: 6 > 3 > 4 > 2 > 1 = 5 |
| runCompareTest(testTables, |
| "dropped_mutations", |
| "table6 > table3 > table4 > table2 > table1 > table5", |
| humanReadable, |
| ascending); |
| // space used by snapshots: 5 > 1 > 2 > 4 > 3 = 6 |
| runCompareTest(testTables, |
| "space_used_by_snapshots_total", |
| "table5 > table1 > table2 > table4 > table3 > table6", |
| humanReadable, |
| ascending); |
| // space used live: 6 > 5 > 4 > 2 > 1 = 3 |
| runCompareTest(testTables, |
| "space_used_live", |
| "table6 > table5 > table4 > table2 > table1 > table3", |
| humanReadable, |
| ascending); |
| // space used total: 1 > 2 > 3 > 4 > 5 > 6 |
| runCompareTest(testTables, |
| "space_used_total", |
| "table1 > table2 > table3 > table4 > table5 > table6", |
| humanReadable, |
| ascending); |
| // memtable data size: 6 > 5 > 4 > 3 > 2 > 1 |
| runCompareTest(testTables, |
| "memtable_data_size", |
| "table6 > table5 > table4 > table3 > table2 > table1", |
| humanReadable, |
| ascending); |
| } |
| |
| } |
