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Fix the earliest last modified age of translog stats (#64753) 

Currently translog's `earliest_last_modified_age` field is always 0 in `_nodes/stats` response.
This commit is contained in:
Howard 2020-11-27 04:43:47 +08:00 committed by Nhat Nguyen
parent 154c579e9b
commit 0137c1679b
2 changed files with 12 additions and 4 deletions
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4
server/src/main/java/org/elasticsearch/index/translog/TranslogStats.java
View File

@ -88,9 +88,13 @@ public class TranslogStats implements Writeable, ToXContentFragment {
this.translogSizeInBytes += translogStats.translogSizeInBytes;
this.uncommittedOperations += translogStats.uncommittedOperations;
this.uncommittedSizeInBytes += translogStats.uncommittedSizeInBytes;
if (this.earliestLastModifiedAge == 0) {
this.earliestLastModifiedAge = translogStats.earliestLastModifiedAge;
} else {
this.earliestLastModifiedAge =
Math.min(this.earliestLastModifiedAge, translogStats.earliestLastModifiedAge);
}
}
public long getTranslogSizeInBytes() {
return translogSizeInBytes;

8
server/src/test/java/org/elasticsearch/index/translog/TranslogTests.java
View File

@ -529,14 +529,18 @@ public class TranslogTests extends ESTestCase {
public void testTotalTests() {
final TranslogStats total =
new TranslogStats(0, 0, 0, 0, 1);
new TranslogStats();
final int n = randomIntBetween(0, 16);
final List<TranslogStats> statsList = new ArrayList<>(n);
long earliestLastModifiedAge = Long.MAX_VALUE;
for (int i = 0; i < n; i++) {
final TranslogStats stats = new TranslogStats(randomIntBetween(1, 4096), randomIntBetween(1, 1 << 20),
randomIntBetween(1, 1 << 20), randomIntBetween(1, 4096), randomIntBetween(1, 1 << 20));
statsList.add(stats);
total.add(stats);
if (earliestLastModifiedAge > stats.getEarliestLastModifiedAge()) {
earliestLastModifiedAge = stats.getEarliestLastModifiedAge();
}
}
assertThat(
@ -553,7 +557,7 @@ public class TranslogTests extends ESTestCase {
equalTo(statsList.stream().mapToLong(TranslogStats::getUncommittedSizeInBytes).sum()));
assertThat(
total.getEarliestLastModifiedAge(),
equalTo(1L));
equalTo(earliestLastModifiedAge));
}
public void testNegativeNumberOfOperations() {