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Merge pull request #16118 from s1monw/refresh_all_the_time_if_api

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Don't guard IndexShard#refresh calls by a check to isRefreshNeeded
This commit is contained in:
Simon Willnauer 2016-01-20 13:18:55 +01:00
commit d11a11e9f0
2 changed files with 27 additions and 16 deletions
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4
core/src/main/java/org/elasticsearch/index/IndexService.java
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@ -635,7 +635,9 @@ public final class IndexService extends AbstractIndexComponent implements IndexC
case STARTED:
case RELOCATED:
try {
shard.refresh("schedule");
if (shard.isRefreshNeeded()) {
shard.refresh("schedule");
}
} catch (EngineClosedException | AlreadyClosedException ex) {
// fine - continue;
}

39
core/src/main/java/org/elasticsearch/index/shard/IndexShard.java
View File

@ -541,25 +541,23 @@ public class IndexShard extends AbstractIndexShardComponent {
/** Writes all indexing changes to disk and opens a new searcher reflecting all changes. This can throw {@link EngineClosedException}. */
public void refresh(String source) {
verifyNotClosed();
if (getEngine().refreshNeeded()) {
if (canIndex()) {
long bytes = getEngine().getIndexBufferRAMBytesUsed();
writingBytes.addAndGet(bytes);
try {
logger.debug("refresh with source [{}] indexBufferRAMBytesUsed [{}]", source, new ByteSizeValue(bytes));
long time = System.nanoTime();
getEngine().refresh(source);
refreshMetric.inc(System.nanoTime() - time);
} finally {
logger.debug("remove [{}] writing bytes for shard [{}]", new ByteSizeValue(bytes), shardId());
writingBytes.addAndGet(-bytes);
}
} else {
logger.debug("refresh with source [{}]", source);
if (canIndex()) {
long bytes = getEngine().getIndexBufferRAMBytesUsed();
writingBytes.addAndGet(bytes);
try {
logger.debug("refresh with source [{}] indexBufferRAMBytesUsed [{}]", source, new ByteSizeValue(bytes));
long time = System.nanoTime();
getEngine().refresh(source);
refreshMetric.inc(System.nanoTime() - time);
} finally {
logger.debug("remove [{}] writing bytes for shard [{}]", new ByteSizeValue(bytes), shardId());
writingBytes.addAndGet(-bytes);
}
} else {
logger.debug("refresh with source [{}]", source);
long time = System.nanoTime();
getEngine().refresh(source);
refreshMetric.inc(System.nanoTime() - time);
}
}
@ -1514,4 +1512,15 @@ public class IndexShard extends AbstractIndexShardComponent {
return engineFactory;
}
/**
* Returns <code>true</code> iff one or more changes to the engine are not visible to via the current searcher.
* Otherwise <code>false</code>.
*
* @throws EngineClosedException if the engine is already closed
* @throws AlreadyClosedException if the internal indexwriter in the engine is already closed
*/
public boolean isRefreshNeeded() {
return getEngine().refreshNeeded();
}
}