| /* |
| * 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.db.compaction; |
| |
| import com.google.common.collect.ImmutableList; |
| |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| |
| public final class TimeWindowCompactionStrategyOptions |
| { |
| private static final Logger logger = LoggerFactory.getLogger(TimeWindowCompactionStrategyOptions.class); |
| |
| protected static final TimeUnit DEFAULT_TIMESTAMP_RESOLUTION = TimeUnit.MICROSECONDS; |
| protected static final TimeUnit DEFAULT_COMPACTION_WINDOW_UNIT = TimeUnit.DAYS; |
| protected static final int DEFAULT_COMPACTION_WINDOW_SIZE = 1; |
| protected static final int DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS = 60 * 10; |
| |
| protected static final String TIMESTAMP_RESOLUTION_KEY = "timestamp_resolution"; |
| protected static final String COMPACTION_WINDOW_UNIT_KEY = "compaction_window_unit"; |
| protected static final String COMPACTION_WINDOW_SIZE_KEY = "compaction_window_size"; |
| protected static final String EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY = "expired_sstable_check_frequency_seconds"; |
| |
| protected final int sstableWindowSize; |
| protected final TimeUnit sstableWindowUnit; |
| protected final TimeUnit timestampResolution; |
| protected final long expiredSSTableCheckFrequency; |
| |
| SizeTieredCompactionStrategyOptions stcsOptions; |
| |
| protected final static ImmutableList<TimeUnit> validTimestampTimeUnits = ImmutableList.of(TimeUnit.SECONDS, TimeUnit.MILLISECONDS, TimeUnit.MICROSECONDS, TimeUnit.NANOSECONDS); |
| protected final static ImmutableList<TimeUnit> validWindowTimeUnits = ImmutableList.of(TimeUnit.MINUTES, TimeUnit.HOURS, TimeUnit.DAYS); |
| |
| public TimeWindowCompactionStrategyOptions(Map<String, String> options) |
| { |
| String optionValue = options.get(TIMESTAMP_RESOLUTION_KEY); |
| timestampResolution = optionValue == null ? DEFAULT_TIMESTAMP_RESOLUTION : TimeUnit.valueOf(optionValue); |
| if (timestampResolution != DEFAULT_TIMESTAMP_RESOLUTION) |
| logger.warn("Using a non-default timestamp_resolution {} - are you really doing inserts with USING TIMESTAMP <non_microsecond_timestamp> (or driver equivalent)?", timestampResolution.toString()); |
| |
| optionValue = options.get(COMPACTION_WINDOW_UNIT_KEY); |
| sstableWindowUnit = optionValue == null ? DEFAULT_COMPACTION_WINDOW_UNIT : TimeUnit.valueOf(optionValue); |
| |
| optionValue = options.get(COMPACTION_WINDOW_SIZE_KEY); |
| sstableWindowSize = optionValue == null ? DEFAULT_COMPACTION_WINDOW_SIZE : Integer.parseInt(optionValue); |
| |
| optionValue = options.get(EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY); |
| expiredSSTableCheckFrequency = TimeUnit.MILLISECONDS.convert(optionValue == null ? DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS : Long.parseLong(optionValue), TimeUnit.SECONDS); |
| |
| stcsOptions = new SizeTieredCompactionStrategyOptions(options); |
| } |
| |
| public TimeWindowCompactionStrategyOptions() |
| { |
| sstableWindowUnit = DEFAULT_COMPACTION_WINDOW_UNIT; |
| timestampResolution = DEFAULT_TIMESTAMP_RESOLUTION; |
| sstableWindowSize = DEFAULT_COMPACTION_WINDOW_SIZE; |
| expiredSSTableCheckFrequency = TimeUnit.MILLISECONDS.convert(DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS, TimeUnit.SECONDS); |
| stcsOptions = new SizeTieredCompactionStrategyOptions(); |
| } |
| |
| public static Map<String, String> validateOptions(Map<String, String> options, Map<String, String> uncheckedOptions) throws ConfigurationException |
| { |
| String optionValue = options.get(TIMESTAMP_RESOLUTION_KEY); |
| try |
| { |
| if (optionValue != null) |
| if (!validTimestampTimeUnits.contains(TimeUnit.valueOf(optionValue))) |
| throw new ConfigurationException(String.format("%s is not valid for %s", optionValue, TIMESTAMP_RESOLUTION_KEY)); |
| } |
| catch (IllegalArgumentException e) |
| { |
| throw new ConfigurationException(String.format("%s is not valid for %s", optionValue, TIMESTAMP_RESOLUTION_KEY)); |
| } |
| |
| |
| optionValue = options.get(COMPACTION_WINDOW_UNIT_KEY); |
| try |
| { |
| if (optionValue != null) |
| if (!validWindowTimeUnits.contains(TimeUnit.valueOf(optionValue))) |
| throw new ConfigurationException(String.format("%s is not valid for %s", optionValue, COMPACTION_WINDOW_UNIT_KEY)); |
| |
| } |
| catch (IllegalArgumentException e) |
| { |
| throw new ConfigurationException(String.format("%s is not valid for %s", optionValue, COMPACTION_WINDOW_UNIT_KEY), e); |
| } |
| |
| optionValue = options.get(COMPACTION_WINDOW_SIZE_KEY); |
| try |
| { |
| int sstableWindowSize = optionValue == null ? DEFAULT_COMPACTION_WINDOW_SIZE : Integer.parseInt(optionValue); |
| if (sstableWindowSize < 1) |
| { |
| throw new ConfigurationException(String.format("%s must be greater than 1", DEFAULT_COMPACTION_WINDOW_SIZE, sstableWindowSize)); |
| } |
| } |
| catch (NumberFormatException e) |
| { |
| throw new ConfigurationException(String.format("%s is not a parsable int (base10) for %s", optionValue, DEFAULT_COMPACTION_WINDOW_SIZE), e); |
| } |
| |
| optionValue = options.get(EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY); |
| try |
| { |
| long expiredCheckFrequency = optionValue == null ? DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS : Long.parseLong(optionValue); |
| if (expiredCheckFrequency < 0) |
| { |
| throw new ConfigurationException(String.format("%s must not be negative, but was %d", EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY, expiredCheckFrequency)); |
| } |
| } |
| catch (NumberFormatException e) |
| { |
| throw new ConfigurationException(String.format("%s is not a parsable int (base10) for %s", optionValue, EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY), e); |
| } |
| |
| uncheckedOptions.remove(COMPACTION_WINDOW_SIZE_KEY); |
| uncheckedOptions.remove(COMPACTION_WINDOW_UNIT_KEY); |
| uncheckedOptions.remove(TIMESTAMP_RESOLUTION_KEY); |
| uncheckedOptions.remove(EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY); |
| |
| uncheckedOptions = SizeTieredCompactionStrategyOptions.validateOptions(options, uncheckedOptions); |
| |
| return uncheckedOptions; |
| } |
| } |