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convert merge.policy.floor_segment

This commit is contained in:
Britta Weber 2016-01-15 11:18:39 +01:00 committed by Simon Willnauer
parent cf70761abf
commit 59725315a6
4 changed files with 14 additions and 16 deletions
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1
core/src/main/java/org/elasticsearch/cluster/ClusterModule.java
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@ -128,7 +128,6 @@ public class ClusterModule extends AbstractModule {
registerIndexDynamicSetting(IndexMetaData.SETTING_SHARED_FS_ALLOW_RECOVERY_ON_ANY_NODE, Validator.EMPTY);
registerIndexDynamicSetting(IndexMetaData.SETTING_PRIORITY, Validator.NON_NEGATIVE_INTEGER);
registerIndexDynamicSetting(PrimaryShardAllocator.INDEX_RECOVERY_INITIAL_SHARDS, Validator.EMPTY);
registerIndexDynamicSetting(MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT, Validator.BYTES_SIZE);
registerIndexDynamicSetting(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE, Validator.INTEGER_GTE_2);
registerIndexDynamicSetting(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_EXPLICIT, Validator.INTEGER_GTE_2);
registerIndexDynamicSetting(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGED_SEGMENT, Validator.BYTES_SIZE);

1
core/src/main/java/org/elasticsearch/index/IndexSettings.java
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@ -148,6 +148,7 @@ public final class IndexSettings {
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_MAX_SOURCE_CHARS_TO_LOG_SETTING,
MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING,
IndexSettings.INDEX_TRANSLOG_DURABILITY_SETTING,
IndexSettings.INDEX_WARMER_ENABLED_SETTING,
IndexSettings.INDEX_REFRESH_INTERVAL_SETTING,

18
core/src/main/java/org/elasticsearch/index/MergePolicyConfig.java
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@ -129,7 +129,7 @@ public final class MergePolicyConfig {
public static final Setting<Double> INDEX_COMPOUND_FORMAT_SETTING = new Setting<>("index.compound_format", Double.toString(TieredMergePolicy.DEFAULT_NO_CFS_RATIO), MergePolicyConfig::parseNoCFSRatio, true, Setting.Scope.INDEX);
public static final Setting<Double> INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING = Setting.doubleSetting("index.merge.policy.expunge_deletes_allowed", DEFAULT_EXPUNGE_DELETES_ALLOWED, 0.0d, true, Setting.Scope.INDEX);
public static final String INDEX_MERGE_POLICY_FLOOR_SEGMENT = "index.merge.policy.floor_segment";
public static final Setting<ByteSizeValue> INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING = Setting.byteSizeSetting("index.merge.policy.floor_segment", DEFAULT_FLOOR_SEGMENT, true, Setting.Scope.INDEX);
public static final String INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE = "index.merge.policy.max_merge_at_once";
public static final String INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_EXPLICIT = "index.merge.policy.max_merge_at_once_explicit";
public static final String INDEX_MERGE_POLICY_MAX_MERGED_SEGMENT = "index.merge.policy.max_merged_segment";
@ -142,8 +142,9 @@ public final class MergePolicyConfig {
this.logger = logger;
indexSettings.addSettingsUpdateConsumer(INDEX_COMPOUND_FORMAT_SETTING, this::setNoCFSRatio);
indexSettings.addSettingsUpdateConsumer(INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING, this::expungeDeletesAllowed);
double forceMergeDeletesPctAllowed = indexSettings.getSettings().getAsDouble("index.merge.policy.expunge_deletes_allowed", DEFAULT_EXPUNGE_DELETES_ALLOWED); // percentage
ByteSizeValue floorSegment = indexSettings.getSettings().getAsBytesSize("index.merge.policy.floor_segment", DEFAULT_FLOOR_SEGMENT);
indexSettings.addSettingsUpdateConsumer(INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING, this::floorSegmentSetting);
double forceMergeDeletesPctAllowed = indexSettings.getValue(INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING); // percentage
ByteSizeValue floorSegment = indexSettings.getValue(INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING);
int maxMergeAtOnce = indexSettings.getSettings().getAsInt("index.merge.policy.max_merge_at_once", DEFAULT_MAX_MERGE_AT_ONCE);
int maxMergeAtOnceExplicit = indexSettings.getSettings().getAsInt("index.merge.policy.max_merge_at_once_explicit", DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT);
// TODO is this really a good default number for max_merge_segment, what happens for large indices, won't they end up with many segments?
@ -167,6 +168,10 @@ public final class MergePolicyConfig {
forceMergeDeletesPctAllowed, floorSegment, maxMergeAtOnce, maxMergeAtOnceExplicit, maxMergedSegment, segmentsPerTier, reclaimDeletesWeight);
}
private void floorSegmentSetting(ByteSizeValue byteSizeValue) {
mergePolicy.setFloorSegmentMB(byteSizeValue.mbFrac());
}
private void expungeDeletesAllowed(Double value) {
mergePolicy.setForceMergeDeletesPctAllowed(value);
}
@ -194,13 +199,6 @@ public final class MergePolicyConfig {
}
void onRefreshSettings(Settings settings) {
final double oldFloorSegmentMB = mergePolicy.getFloorSegmentMB();
final ByteSizeValue floorSegment = settings.getAsBytesSize(INDEX_MERGE_POLICY_FLOOR_SEGMENT, null);
if (floorSegment != null && floorSegment.mbFrac() != oldFloorSegmentMB) {
logger.info("updating [floor_segment] from [{}mb] to [{}]", oldFloorSegmentMB, floorSegment);
mergePolicy.setFloorSegmentMB(floorSegment.mbFrac());
}
final double oldSegmentsPerTier = mergePolicy.getSegmentsPerTier();
final double segmentsPerTier = settings.getAsDouble(INDEX_MERGE_POLICY_SEGMENTS_PER_TIER, oldSegmentsPerTier);
if (segmentsPerTier != oldSegmentsPerTier) {

8
core/src/test/java/org/elasticsearch/index/MergePolicySettingsTests.java
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@ -88,9 +88,9 @@ public class MergePolicySettingsTests extends ESTestCase {
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING.getKey(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED + 1.0d).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getForceMergeDeletesPctAllowed(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED + 1.0d, 0.0d);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getFloorSegmentMB(), MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mbFrac(), 0);
mp.onRefreshSettings(Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT, new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb() + 1, ByteSizeUnit.MB)).build());
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb() + 1, ByteSizeUnit.MB).mbFrac(), 0.001);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mbFrac(), 0);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING.getKey(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb() + 1, ByteSizeUnit.MB)).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb() + 1, ByteSizeUnit.MB).mbFrac(), 0.001);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getMaxMergeAtOnce(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE);
mp.onRefreshSettings(Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE, MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE - 1).build());
@ -115,7 +115,7 @@ public class MergePolicySettingsTests extends ESTestCase {
mp.onRefreshSettings(EMPTY_SETTINGS); // update without the settings and see if we stick to the values
indexSettings.updateIndexMetaData(newIndexMeta("index", EMPTY_SETTINGS));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getForceMergeDeletesPctAllowed(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED, 0.0d);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb() + 1, ByteSizeUnit.MB).mbFrac(), 0.001);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.mb(), ByteSizeUnit.MB).mbFrac(), 0.00);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getMaxMergeAtOnce(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE-1);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getMaxMergeAtOnceExplicit(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT-1);
assertEquals(((TieredMergePolicy) mp.getMergePolicy()).getMaxMergedSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_MAX_MERGED_SEGMENT.bytes() + 1).mbFrac(), 0.0001);