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add node setting to send SegmentInfos debug output to System.out

This commit is contained in:
Michael McCandless 2015-06-08 18:40:58 -04:00 committed by mikemccand
parent 16d9480d78
commit 18609fff0d
1 changed files with 10 additions and 0 deletions
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10
core/src/main/java/org/elasticsearch/env/NodeEnvironment.java vendored
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@ -21,7 +21,9 @@ package org.elasticsearch.env;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.SegmentInfos;
import org.apache.lucene.store.*;
import org.apache.lucene.util.IOUtils;
import org.elasticsearch.ElasticsearchException;
@ -116,11 +118,15 @@ public class NodeEnvironment extends AbstractComponent implements Closeable {
// Setting to enable custom index.data_path setting for new indices
public static final String SETTING_CUSTOM_DATA_PATH_ENABLED = "node.enable_custom_paths";
// If enabled, the [verbose] SegmentInfos.infoStream logging is sent to System.out:
public static final String SETTING_ENABLE_LUCENE_SEGMENT_INFOS_TRACE = "node.enable_lucene_segment_infos_trace";
public static final String NODES_FOLDER = "nodes";
public static final String INDICES_FOLDER = "indices";
public static final String NODE_LOCK_FILENAME = "node.lock";
@Inject
@SuppressForbidden(reason = "System.out.*")
public NodeEnvironment(Settings settings, Environment environment) throws IOException {
super(settings);
@ -186,6 +192,10 @@ public class NodeEnvironment extends AbstractComponent implements Closeable {
}
maybeLogPathDetails();
if (settings.getAsBoolean(SETTING_ENABLE_LUCENE_SEGMENT_INFOS_TRACE, false)) {
SegmentInfos.setInfoStream(System.out);
}
}
private static void releaseAndNullLocks(Lock[] locks) {