| /* |
| * 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 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 DateTieredCompactionStrategyOptions |
| { |
| private static final Logger logger = LoggerFactory.getLogger(DateTieredCompactionStrategyOptions.class); |
| protected static final TimeUnit DEFAULT_TIMESTAMP_RESOLUTION = TimeUnit.MICROSECONDS; |
| @Deprecated |
| protected static final double DEFAULT_MAX_SSTABLE_AGE_DAYS = 365*1000; |
| protected static final long DEFAULT_BASE_TIME_SECONDS = 60; |
| protected static final long DEFAULT_MAX_WINDOW_SIZE_SECONDS = TimeUnit.SECONDS.convert(1, TimeUnit.DAYS); |
| |
| protected static final int DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS = 60 * 10; |
| protected static final String TIMESTAMP_RESOLUTION_KEY = "timestamp_resolution"; |
| @Deprecated |
| protected static final String MAX_SSTABLE_AGE_KEY = "max_sstable_age_days"; |
| protected static final String BASE_TIME_KEY = "base_time_seconds"; |
| protected static final String EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY = "expired_sstable_check_frequency_seconds"; |
| protected static final String MAX_WINDOW_SIZE_KEY = "max_window_size_seconds"; |
| |
| @Deprecated |
| protected final long maxSSTableAge; |
| protected final TimeUnit timestampResolution; |
| protected final long baseTime; |
| protected final long expiredSSTableCheckFrequency; |
| protected final long maxWindowSize; |
| |
| public DateTieredCompactionStrategyOptions(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(MAX_SSTABLE_AGE_KEY); |
| double fractionalDays = optionValue == null ? DEFAULT_MAX_SSTABLE_AGE_DAYS : Double.parseDouble(optionValue); |
| maxSSTableAge = Math.round(fractionalDays * timestampResolution.convert(1, TimeUnit.DAYS)); |
| optionValue = options.get(BASE_TIME_KEY); |
| baseTime = timestampResolution.convert(optionValue == null ? DEFAULT_BASE_TIME_SECONDS : Long.parseLong(optionValue), TimeUnit.SECONDS); |
| 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); |
| optionValue = options.get(MAX_WINDOW_SIZE_KEY); |
| maxWindowSize = timestampResolution.convert(optionValue == null ? DEFAULT_MAX_WINDOW_SIZE_SECONDS : Long.parseLong(optionValue), TimeUnit.SECONDS); |
| } |
| |
| public DateTieredCompactionStrategyOptions() |
| { |
| maxSSTableAge = Math.round(DEFAULT_MAX_SSTABLE_AGE_DAYS * DEFAULT_TIMESTAMP_RESOLUTION.convert((long) DEFAULT_MAX_SSTABLE_AGE_DAYS, TimeUnit.DAYS)); |
| timestampResolution = DEFAULT_TIMESTAMP_RESOLUTION; |
| baseTime = timestampResolution.convert(DEFAULT_BASE_TIME_SECONDS, TimeUnit.SECONDS); |
| expiredSSTableCheckFrequency = TimeUnit.MILLISECONDS.convert(DEFAULT_EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS, TimeUnit.SECONDS); |
| maxWindowSize = timestampResolution.convert(1, TimeUnit.DAYS); |
| } |
| |
| 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) |
| TimeUnit.valueOf(optionValue); |
| } |
| catch (IllegalArgumentException e) |
| { |
| throw new ConfigurationException(String.format("timestamp_resolution %s is not valid", optionValue)); |
| } |
| |
| optionValue = options.get(MAX_SSTABLE_AGE_KEY); |
| try |
| { |
| double maxSStableAge = optionValue == null ? DEFAULT_MAX_SSTABLE_AGE_DAYS : Double.parseDouble(optionValue); |
| if (maxSStableAge < 0) |
| { |
| throw new ConfigurationException(String.format("%s must be non-negative: %.2f", MAX_SSTABLE_AGE_KEY, maxSStableAge)); |
| } |
| } |
| catch (NumberFormatException e) |
| { |
| throw new ConfigurationException(String.format("%s is not a parsable int (base10) for %s", optionValue, MAX_SSTABLE_AGE_KEY), e); |
| } |
| |
| optionValue = options.get(BASE_TIME_KEY); |
| try |
| { |
| long baseTime = optionValue == null ? DEFAULT_BASE_TIME_SECONDS : Long.parseLong(optionValue); |
| if (baseTime <= 0) |
| { |
| throw new ConfigurationException(String.format("%s must be greater than 0, but was %d", BASE_TIME_KEY, baseTime)); |
| } |
| } |
| catch (NumberFormatException e) |
| { |
| throw new ConfigurationException(String.format("%s is not a parsable int (base10) for %s", optionValue, BASE_TIME_KEY), 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); |
| } |
| |
| optionValue = options.get(MAX_WINDOW_SIZE_KEY); |
| try |
| { |
| long maxWindowSize = optionValue == null ? DEFAULT_MAX_WINDOW_SIZE_SECONDS : Long.parseLong(optionValue); |
| if (maxWindowSize < 0) |
| { |
| throw new ConfigurationException(String.format("%s must not be negative, but was %d", MAX_WINDOW_SIZE_KEY, maxWindowSize)); |
| } |
| } |
| catch (NumberFormatException e) |
| { |
| throw new ConfigurationException(String.format("%s is not a parsable int (base10) for %s", optionValue, MAX_WINDOW_SIZE_KEY), e); |
| } |
| |
| |
| uncheckedOptions.remove(MAX_SSTABLE_AGE_KEY); |
| uncheckedOptions.remove(BASE_TIME_KEY); |
| uncheckedOptions.remove(TIMESTAMP_RESOLUTION_KEY); |
| uncheckedOptions.remove(EXPIRED_SSTABLE_CHECK_FREQUENCY_SECONDS_KEY); |
| uncheckedOptions.remove(MAX_WINDOW_SIZE_KEY); |
| |
| return uncheckedOptions; |
| } |
| } |