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pull out string constants for settings, and add javadocs

This commit is contained in:
Michael McCandless 2015-09-14 05:58:21 -04:00 committed by mikemccand
parent 8dc08f70b4
commit 698da29573
2 changed files with 54 additions and 17 deletions
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65
core/src/main/java/org/elasticsearch/indices/memory/IndexingMemoryController.java
View File

@ -51,8 +51,42 @@ import java.util.concurrent.ScheduledFuture;
*/
public class IndexingMemoryController extends AbstractLifecycleComponent<IndexingMemoryController> {
/** How much heap (% or bytes) we will share across all actively indexing shards on this node (default: 10%). */
public static final String INDEX_BUFFER_SIZE_SETTING = "indices.memory.index_buffer_size";
/** Only applies when <code>indices.memory.index_buffer_size</code> is a %, to set a floor on the actual size in bytes (default: 48 MB). */
public static final String MIN_INDEX_BUFFER_SIZE_SETTING = "indices.memory.min_index_buffer_size";
/** Only applies when <code>indices.memory.index_buffer_size</code> is a %, to set a ceiling on the actual size in bytes (default: not set). */
public static final String MAX_INDEX_BUFFER_SIZE_SETTING = "indices.memory.max_index_buffer_size";
/** Sets a floor on the per-shard index buffer size (default: 4 MB). */
public static final String MIN_SHARD_INDEX_BUFFER_SIZE_SETTING = "indices.memory.min_shard_index_buffer_size";
/** Sets a ceiling on the per-shard index buffer size (default: 512 MB). */
public static final String MAX_SHARD_INDEX_BUFFER_SIZE_SETTING = "indices.memory.max_shard_index_buffer_size";
/** How much heap (% or bytes) we will share across all actively indexing shards for the translog buffer (default: 1%). */
public static final String TRANSLOG_BUFFER_SIZE_SETTING = "indices.memory.translog_buffer_size";
/** Only applies when <code>indices.memory.translog_buffer_size</code> is a %, to set a floor on the actual size in bytes (default: 256 KB). */
public static final String MIN_TRANSLOG_BUFFER_SIZE_SETTING = "indices.memory.min_translog_buffer_size";
/** Only applies when <code>indices.memory.translog_buffer_size</code> is a %, to set a ceiling on the actual size in bytes (default: not set). */
public static final String MAX_TRANSLOG_BUFFER_SIZE_SETTING = "indices.memory.max_translog_buffer_size";
/** Sets a floor on the per-shard translog buffer size (default: 2 KB). */
public static final String MIN_SHARD_TRANSLOG_BUFFER_SIZE_SETTING = "indices.memory.min_shard_translog_buffer_size";
/** Sets a ceiling on the per-shard translog buffer size (default: 64 KB). */
public static final String MAX_SHARD_TRANSLOG_BUFFER_SIZE_SETTING = "indices.memory.max_shard_translog_buffer_size";
/** If we see no indexing operations after this much time for a given shard, we consider that shard inactive (default: 5 minutes). */
public static final String SHARD_INACTIVE_TIME_SETTING = "indices.memory.shard_inactive_time";
/** How frequently we check shards to find inactive ones (default: 30 seconds). */
public static final String SHARD_INACTIVE_INTERVAL_TIME_SETTING = "indices.memory.interval";
private final ThreadPool threadPool;
private final IndicesService indicesService;
@ -83,8 +117,8 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
if (indexingBufferSetting.endsWith("%")) {
double percent = Double.parseDouble(indexingBufferSetting.substring(0, indexingBufferSetting.length() - 1));
indexingBuffer = new ByteSizeValue((long) (((double) JvmInfo.jvmInfo().getMem().getHeapMax().bytes()) * (percent / 100)));
ByteSizeValue minIndexingBuffer = this.settings.getAsBytesSize("indices.memory.min_index_buffer_size", new ByteSizeValue(48, ByteSizeUnit.MB));
ByteSizeValue maxIndexingBuffer = this.settings.getAsBytesSize("indices.memory.max_index_buffer_size", null);
ByteSizeValue minIndexingBuffer = this.settings.getAsBytesSize(MIN_INDEX_BUFFER_SIZE_SETTING, new ByteSizeValue(48, ByteSizeUnit.MB));
ByteSizeValue maxIndexingBuffer = this.settings.getAsBytesSize(MAX_INDEX_BUFFER_SIZE_SETTING, null);
if (indexingBuffer.bytes() < minIndexingBuffer.bytes()) {
indexingBuffer = minIndexingBuffer;
@ -96,17 +130,17 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
indexingBuffer = ByteSizeValue.parseBytesSizeValue(indexingBufferSetting, INDEX_BUFFER_SIZE_SETTING);
}
this.indexingBuffer = indexingBuffer;
this.minShardIndexBufferSize = this.settings.getAsBytesSize("indices.memory.min_shard_index_buffer_size", new ByteSizeValue(4, ByteSizeUnit.MB));
this.minShardIndexBufferSize = this.settings.getAsBytesSize(MIN_SHARD_INDEX_BUFFER_SIZE_SETTING, new ByteSizeValue(4, ByteSizeUnit.MB));
// LUCENE MONITOR: Based on this thread, currently (based on Mike), having a large buffer does not make a lot of sense: https://issues.apache.org/jira/browse/LUCENE-2324?focusedCommentId=13005155&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13005155
this.maxShardIndexBufferSize = this.settings.getAsBytesSize("indices.memory.max_shard_index_buffer_size", new ByteSizeValue(512, ByteSizeUnit.MB));
this.maxShardIndexBufferSize = this.settings.getAsBytesSize(MAX_SHARD_INDEX_BUFFER_SIZE_SETTING, new ByteSizeValue(512, ByteSizeUnit.MB));
ByteSizeValue translogBuffer;
String translogBufferSetting = this.settings.get("indices.memory.translog_buffer_size", "1%");
String translogBufferSetting = this.settings.get(TRANSLOG_BUFFER_SIZE_SETTING, "1%");
if (translogBufferSetting.endsWith("%")) {
double percent = Double.parseDouble(translogBufferSetting.substring(0, translogBufferSetting.length() - 1));
translogBuffer = new ByteSizeValue((long) (((double) JvmInfo.jvmInfo().getMem().getHeapMax().bytes()) * (percent / 100)));
ByteSizeValue minTranslogBuffer = this.settings.getAsBytesSize("indices.memory.min_translog_buffer_size", new ByteSizeValue(256, ByteSizeUnit.KB));
ByteSizeValue maxTranslogBuffer = this.settings.getAsBytesSize("indices.memory.max_translog_buffer_size", null);
ByteSizeValue minTranslogBuffer = this.settings.getAsBytesSize(MIN_TRANSLOG_BUFFER_SIZE_SETTING, new ByteSizeValue(256, ByteSizeUnit.KB));
ByteSizeValue maxTranslogBuffer = this.settings.getAsBytesSize(MAX_TRANSLOG_BUFFER_SIZE_SETTING, null);
if (translogBuffer.bytes() < minTranslogBuffer.bytes()) {
translogBuffer = minTranslogBuffer;
@ -118,16 +152,19 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
translogBuffer = ByteSizeValue.parseBytesSizeValue(translogBufferSetting, null);
}
this.translogBuffer = translogBuffer;
this.minShardTranslogBufferSize = this.settings.getAsBytesSize("indices.memory.min_shard_translog_buffer_size", new ByteSizeValue(2, ByteSizeUnit.KB));
this.maxShardTranslogBufferSize = this.settings.getAsBytesSize("indices.memory.max_shard_translog_buffer_size", new ByteSizeValue(64, ByteSizeUnit.KB));
this.minShardTranslogBufferSize = this.settings.getAsBytesSize(MIN_SHARD_TRANSLOG_BUFFER_SIZE_SETTING, new ByteSizeValue(2, ByteSizeUnit.KB));
this.maxShardTranslogBufferSize = this.settings.getAsBytesSize(MAX_SHARD_TRANSLOG_BUFFER_SIZE_SETTING, new ByteSizeValue(64, ByteSizeUnit.KB));
this.inactiveTime = this.settings.getAsTime("indices.memory.shard_inactive_time", TimeValue.timeValueMinutes(5));
this.inactiveTime = this.settings.getAsTime(SHARD_INACTIVE_TIME_SETTING, TimeValue.timeValueMinutes(5));
// we need to have this relatively small to move a shard from inactive to active fast (enough)
this.interval = this.settings.getAsTime("indices.memory.interval", TimeValue.timeValueSeconds(30));
logger.debug("using index_buffer_size [{}], with min_shard_index_buffer_size [{}], max_shard_index_buffer_size [{}], shard_inactive_time [{}], indices.memory.interval [{}]",
this.indexingBuffer, this.minShardIndexBufferSize, this.maxShardIndexBufferSize, this.inactiveTime, this.interval);
this.interval = this.settings.getAsTime(SHARD_INACTIVE_INTERVAL_TIME_SETTING, TimeValue.timeValueSeconds(30));
logger.debug("using indexing buffer size [{}], with {} [{}], {} [{}], {} [{}], {} [{}]",
this.indexingBuffer,
MIN_SHARD_INDEX_BUFFER_SIZE_SETTING, this.minShardIndexBufferSize,
MAX_SHARD_INDEX_BUFFER_SIZE_SETTING, this.maxShardIndexBufferSize,
SHARD_INACTIVE_TIME_SETTING, this.inactiveTime,
SHARD_INACTIVE_INTERVAL_TIME_SETTING, this.interval);
}
@Override

6
core/src/test/java/org/elasticsearch/indices/memory/IndexingMemoryControllerIT.java
View File

@ -79,7 +79,7 @@ public class IndexingMemoryControllerIT extends ESIntegTestCase {
@Test
public void testIndexBufferSizeUpdateInactiveShard() throws InterruptedException {
createNode(Settings.builder().put("indices.memory.shard_inactive_time", "100ms").build());
createNode(Settings.builder().put(IndexingMemoryController.SHARD_INACTIVE_TIME_SETTING, "100ms").build());
prepareCreate("test1").setSettings(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1, IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0).get();
@ -121,7 +121,7 @@ public class IndexingMemoryControllerIT extends ESIntegTestCase {
@Test
public void testIndexBufferSizeTwoShards() throws InterruptedException {
createNode(Settings.builder().put("indices.memory.shard_inactive_time", "100000h",
createNode(Settings.builder().put(IndexingMemoryController.SHARD_INACTIVE_TIME_SETTING, "100000h",
IndexingMemoryController.INDEX_BUFFER_SIZE_SETTING, "32mb",
IndexShard.INDEX_REFRESH_INTERVAL, "-1").build());
@ -158,7 +158,7 @@ public class IndexingMemoryControllerIT extends ESIntegTestCase {
.put(EsExecutors.PROCESSORS, 1) // limit the number of threads created
.put("http.enabled", false)
.put(InternalSettingsPreparer.IGNORE_SYSTEM_PROPERTIES_SETTING, true) // make sure we get what we set :)
.put("indices.memory.interval", "100ms")
.put(IndexingMemoryController.SHARD_INACTIVE_INTERVAL_TIME_SETTING, "100ms")
.put(settings)
);
}