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In IndexWriter increase use of UNBOUNDED_MAX_MERGE_SEGMENTS (and decrease use of magic -1).

This commit is contained in:
Christine Poerschke 2016-10-22 14:54:37 -05:00
parent 3488f12170
commit 0ec1f228cc
1 changed files with 8 additions and 8 deletions
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16
lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
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@ -1898,7 +1898,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
final int size = mergeExceptions.size();
for(int i=0;i<size;i++) {
final MergePolicy.OneMerge merge = mergeExceptions.get(i);
if (merge.maxNumSegments != -1) {
if (merge.maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS) {
throw new IOException("background merge hit exception: " + merge.segString(), merge.getException());
}
}
@ -1926,12 +1926,12 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
* runningMerges are maxNumSegments merges. */
private synchronized boolean maxNumSegmentsMergesPending() {
for (final MergePolicy.OneMerge merge : pendingMerges) {
if (merge.maxNumSegments != -1)
if (merge.maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS)
return true;
}
for (final MergePolicy.OneMerge merge : runningMerges) {
if (merge.maxNumSegments != -1)
if (merge.maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS)
return true;
}
@ -2059,7 +2059,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
// point, try again to log the config here:
messageState();
assert maxNumSegments == -1 || maxNumSegments > 0;
assert maxNumSegments == UNBOUNDED_MAX_MERGE_SEGMENTS || maxNumSegments > 0;
assert trigger != null;
if (stopMerges) {
return false;
@ -2771,7 +2771,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
// Best-effort up front check:
testReserveDocs(numDocs);
final IOContext context = new IOContext(new MergeInfo(Math.toIntExact(numDocs), -1, false, -1));
final IOContext context = new IOContext(new MergeInfo(Math.toIntExact(numDocs), -1, false, UNBOUNDED_MAX_MERGE_SEGMENTS));
// TODO: somehow we should fix this merge so it's
// abortable so that IW.close(false) is able to stop it
@ -3797,7 +3797,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
infoStream.message("IW", "after commitMerge: " + segString());
}
if (merge.maxNumSegments != -1 && !dropSegment) {
if (merge.maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS && !dropSegment) {
// cascade the forceMerge:
if (!segmentsToMerge.containsKey(merge.info)) {
segmentsToMerge.put(merge.info, Boolean.FALSE);
@ -3876,7 +3876,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
if (infoStream.isEnabled("IW")) {
infoStream.message("IW", "hit exception during merge");
}
} else if (merge.rateLimiter.getAbort() == false && (merge.maxNumSegments != -1 || (!closed && !closing))) {
} else if (merge.rateLimiter.getAbort() == false && (merge.maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS || (!closed && !closing))) {
// This merge (and, generally, any change to the
// segments) may now enable new merges, so we call
// merge policy & update pending merges.
@ -4015,7 +4015,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit, Accountable {
testPoint("startMergeInit");
assert merge.registerDone;
assert merge.maxNumSegments == -1 || merge.maxNumSegments > 0;
assert merge.maxNumSegments == UNBOUNDED_MAX_MERGE_SEGMENTS || merge.maxNumSegments > 0;
if (tragedy != null) {
throw new IllegalStateException("this writer hit an unrecoverable error; cannot merge", tragedy);