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Merge remote-tracking branch 'upstream/main' into main-repo-rate-limit
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@Bukhtawar
Bukhtawar committed Aug 25, 2023
2 parents cc5a597 + 72ef73e commit f2d3d63
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Showing 12 changed files with 285 additions and 146 deletions.
2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -48,7 +48,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
- Change http code on create index API with bad input raising NotXContentException from 500 to 400 ([#4773](https://github.com/opensearch-project/OpenSearch/pull/4773))
- Improve summary error message for invalid setting updates ([#4792](https://github.com/opensearch-project/OpenSearch/pull/4792))
- [Remote Store] Add Segment download stats to remotestore stats API ([#8718](https://github.com/opensearch-project/OpenSearch/pull/8718))
- [Remote Store] Add remote segment transfer stats on NodesStats API ([#9168](https://github.com/opensearch-project/OpenSearch/pull/9168) [#9393](https://github.com/opensearch-project/OpenSearch/pull/9393))
- [Remote Store] Add remote segment transfer stats on NodesStats API ([#9168](https://github.com/opensearch-project/OpenSearch/pull/9168) [#9393](https://github.com/opensearch-project/OpenSearch/pull/9393) [#9454](https://github.com/opensearch-project/OpenSearch/pull/9454))
- Return 409 Conflict HTTP status instead of 503 on failure to concurrently execute snapshots ([#8986](https://github.com/opensearch-project/OpenSearch/pull/5855))

### Deprecated
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2 changes: 2 additions & 0 deletions server/src/internalClusterTest/java/org/opensearch/indices/stats/IndexStatsIT.java
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Expand Up @@ -1457,6 +1457,8 @@ private void assertZeroRemoteSegmentStats(RemoteSegmentStats remoteSegmentStats)
assertEquals(0, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(0, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(0, remoteSegmentStats.getMaxRefreshTimeLag());
assertEquals(0, remoteSegmentStats.getTotalUploadTime());
assertEquals(0, remoteSegmentStats.getTotalDownloadTime());
}

/**
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67 changes: 45 additions & 22 deletions ...ternalClusterTest/java/org/opensearch/remotestore/RemoteSegmentStatsFromNodesStatsIT.java
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Expand Up @@ -67,7 +67,8 @@ public void testNodesStatsParityWithOnlyPrimaryShards() {
indexSingleDoc(secondIndex, true);

long cumulativeUploadsSucceeded = 0, cumulativeUploadsStarted = 0, cumulativeUploadsFailed = 0;
long total_bytes_lag = 0, max_bytes_lag = 0, max_time_lag = 0;
long totalBytesLag = 0, maxBytesLag = 0, maxTimeLag = 0;
long totalUploadTime = 0;
// Fetch upload stats
RemoteStoreStatsResponse remoteStoreStatsFirstIndex = client(randomDataNode).admin()
.cluster()
Expand All @@ -77,9 +78,10 @@ public void testNodesStatsParityWithOnlyPrimaryShards() {
cumulativeUploadsSucceeded += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesSucceeded;
cumulativeUploadsStarted += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesStarted;
cumulativeUploadsFailed += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesFailed;
total_bytes_lag += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
max_time_lag = Math.max(max_time_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalBytesLag += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
maxBytesLag = Math.max(maxBytesLag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
maxTimeLag = Math.max(maxTimeLag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalUploadTime += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().totalUploadTimeInMs;

RemoteStoreStatsResponse remoteStoreStatsSecondIndex = client(randomDataNode).admin()
.cluster()
Expand All @@ -90,9 +92,10 @@ public void testNodesStatsParityWithOnlyPrimaryShards() {
cumulativeUploadsSucceeded += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesSucceeded;
cumulativeUploadsStarted += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesStarted;
cumulativeUploadsFailed += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().uploadBytesFailed;
total_bytes_lag += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
max_time_lag = Math.max(max_time_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalBytesLag += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
maxBytesLag = Math.max(maxBytesLag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
maxTimeLag = Math.max(maxTimeLag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalUploadTime += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().totalUploadTimeInMs;

// Fetch nodes stats
NodesStatsResponse nodesStatsResponse = client().admin()
Expand All @@ -101,12 +104,13 @@ public void testNodesStatsParityWithOnlyPrimaryShards() {
.setIndices(new CommonStatsFlags().set(CommonStatsFlags.Flag.Segments, true))
.get();
RemoteSegmentStats remoteSegmentStats = nodesStatsResponse.getNodes().get(0).getIndices().getSegments().getRemoteSegmentStats();
assertEquals(cumulativeUploadsSucceeded, remoteSegmentStats.getUploadBytesSucceeded());
assertEquals(cumulativeUploadsStarted, remoteSegmentStats.getUploadBytesStarted());
assertTrue(cumulativeUploadsSucceeded > 0 && cumulativeUploadsSucceeded == remoteSegmentStats.getUploadBytesSucceeded());
assertTrue(cumulativeUploadsStarted > 0 && cumulativeUploadsStarted == remoteSegmentStats.getUploadBytesStarted());
assertEquals(cumulativeUploadsFailed, remoteSegmentStats.getUploadBytesFailed());
assertEquals(total_bytes_lag, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(max_bytes_lag, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(max_time_lag, remoteSegmentStats.getMaxRefreshTimeLag());
assertEquals(totalBytesLag, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(maxBytesLag, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(maxTimeLag, remoteSegmentStats.getMaxRefreshTimeLag());
assertTrue(totalUploadTime > 0 && totalUploadTime == remoteSegmentStats.getTotalUploadTime());
}

/**
Expand Down Expand Up @@ -180,13 +184,16 @@ private void assertZeroRemoteSegmentStats(RemoteSegmentStats remoteSegmentStats)
assertEquals(0, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(0, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(0, remoteSegmentStats.getMaxRefreshTimeLag());
assertEquals(0, remoteSegmentStats.getTotalUploadTime());
assertEquals(0, remoteSegmentStats.getTotalDownloadTime());
}

private static void assertNodeStatsParityAcrossNodes(String firstIndex, String secondIndex) {
for (String dataNode : internalCluster().getDataNodeNames()) {
long cumulativeUploadsSucceeded = 0, cumulativeUploadsStarted = 0, cumulativeUploadsFailed = 0;
long cumulativeDownloadsSucceeded = 0, cumulativeDownloadsStarted = 0, cumulativeDownloadsFailed = 0;
long total_bytes_lag = 0, max_bytes_lag = 0, max_time_lag = 0;
long totalBytesLag = 0, maxBytesLag = 0, maxTimeLag = 0;
long totalUploadTime = 0, totalDownloadTime = 0;
// Fetch upload stats
RemoteStoreStatsResponse remoteStoreStatsFirstIndex = client(dataNode).admin()
.cluster()
Expand All @@ -202,9 +209,12 @@ private static void assertNodeStatsParityAcrossNodes(String firstIndex, String s
.getSegmentStats().directoryFileTransferTrackerStats.transferredBytesStarted;
cumulativeDownloadsFailed += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0]
.getSegmentStats().directoryFileTransferTrackerStats.transferredBytesFailed;
total_bytes_lag += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
max_time_lag = Math.max(max_time_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalBytesLag += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
maxBytesLag = Math.max(maxBytesLag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
maxTimeLag = Math.max(maxTimeLag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalUploadTime += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getSegmentStats().totalUploadTimeInMs;
totalDownloadTime += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0]
.getSegmentStats().directoryFileTransferTrackerStats.totalTransferTimeInMs;

RemoteStoreStatsResponse remoteStoreStatsSecondIndex = client(dataNode).admin()
.cluster()
Expand All @@ -220,9 +230,12 @@ private static void assertNodeStatsParityAcrossNodes(String firstIndex, String s
.getSegmentStats().directoryFileTransferTrackerStats.transferredBytesStarted;
cumulativeDownloadsFailed += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0]
.getSegmentStats().directoryFileTransferTrackerStats.transferredBytesFailed;
total_bytes_lag += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
max_time_lag = Math.max(max_time_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalBytesLag += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag;
maxBytesLag = Math.max(maxBytesLag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().bytesLag);
maxTimeLag = Math.max(maxTimeLag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().refreshTimeLagMs);
totalUploadTime += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getSegmentStats().totalUploadTimeInMs;
totalDownloadTime += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0]
.getSegmentStats().directoryFileTransferTrackerStats.totalTransferTimeInMs;

// Fetch nodes stats
NodesStatsResponse nodesStatsResponse = client().admin()
Expand All @@ -237,9 +250,19 @@ private static void assertNodeStatsParityAcrossNodes(String firstIndex, String s
assertEquals(cumulativeDownloadsSucceeded, remoteSegmentStats.getDownloadBytesSucceeded());
assertEquals(cumulativeDownloadsStarted, remoteSegmentStats.getDownloadBytesStarted());
assertEquals(cumulativeDownloadsFailed, remoteSegmentStats.getDownloadBytesFailed());
assertEquals(total_bytes_lag, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(max_bytes_lag, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(max_time_lag, remoteSegmentStats.getMaxRefreshTimeLag());
assertEquals(totalBytesLag, remoteSegmentStats.getTotalRefreshBytesLag());
assertEquals(maxBytesLag, remoteSegmentStats.getMaxRefreshBytesLag());
assertEquals(maxTimeLag, remoteSegmentStats.getMaxRefreshTimeLag());
// Ensure that total upload time has non-zero value if there has been segments uploaded from the node
if (cumulativeUploadsStarted > 0) {
assertTrue(totalUploadTime > 0);
}
assertEquals(totalUploadTime, remoteSegmentStats.getTotalUploadTime());
// Ensure that total download time has non-zero value if there has been segments downloaded to the node
if (cumulativeDownloadsStarted > 0) {
assertTrue(totalDownloadTime > 0);
}
assertEquals(totalDownloadTime, remoteSegmentStats.getTotalDownloadTime());
}
}
}
66 changes: 39 additions & 27 deletions server/src/main/java/org/opensearch/index/remote/RemoteSegmentStats.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@

package org.opensearch.index.remote;

import org.opensearch.Version;
import org.opensearch.action.admin.cluster.remotestore.stats.RemoteStoreStats;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.core.common.io.stream.StreamInput;
Expand Down Expand Up @@ -67,6 +66,14 @@ public class RemoteSegmentStats implements Writeable, ToXContentFragment {
* Used to check for data freshness in the remote store
*/
private long totalRefreshBytesLag;
/**
* Total time spent in uploading segments to remote store
*/
private long totalUploadTime;
/**
* Total time spent in downloading segments from remote store
*/
private long totalDownloadTime;

public RemoteSegmentStats() {}

Expand All @@ -79,19 +86,9 @@ public RemoteSegmentStats(StreamInput in) throws IOException {
downloadBytesSucceeded = in.readLong();
maxRefreshTimeLag = in.readLong();
maxRefreshBytesLag = in.readLong();
/* TODO:
Adding version checks here since the base PR of adding remote store stats
in SegmentStats has already been merged and backported to 2.x branch.
Since this is a new field that is being added, we need to have this check in place
to ensure BWCs don't break.
This would have to be removed after the new field addition PRs are also backported to 2.x.
If possible we would need to ensure that all field addition PRs are backported at once
*/
if (in.getVersion().onOrAfter(Version.V_3_0_0)) {
totalRefreshBytesLag = in.readLong();
}
totalRefreshBytesLag = in.readLong();
totalUploadTime = in.readLong();
totalDownloadTime = in.readLong();
}

/**
Expand All @@ -115,9 +112,12 @@ public RemoteSegmentStats(RemoteSegmentTransferTracker.Stats trackerStats) {
// Aggregations would be performed on the add method
this.maxRefreshBytesLag = trackerStats.bytesLag;
this.totalRefreshBytesLag = trackerStats.bytesLag;
this.totalUploadTime = trackerStats.totalUploadTimeInMs;
this.totalDownloadTime = trackerStats.directoryFileTransferTrackerStats.totalTransferTimeInMs;
}

// Getter and setters. All are visible for testing
// Setters are only used for testing
public long getUploadBytesStarted() {
return uploadBytesStarted;
}
Expand Down Expand Up @@ -190,6 +190,22 @@ public void addTotalRefreshBytesLag(long totalRefreshBytesLag) {
this.totalRefreshBytesLag += totalRefreshBytesLag;
}

public long getTotalUploadTime() {
return totalUploadTime;
}

public void addTotalUploadTime(long totalUploadTime) {
this.totalUploadTime += totalUploadTime;
}

public long getTotalDownloadTime() {
return totalDownloadTime;
}

public void addTotalDownloadTime(long totalDownloadTime) {
this.totalDownloadTime += totalDownloadTime;
}

/**
* Adds existing stats. Used for stats roll-ups at index or node level
*
Expand All @@ -206,6 +222,8 @@ public void add(RemoteSegmentStats existingStats) {
this.maxRefreshTimeLag = Math.max(this.maxRefreshTimeLag, existingStats.getMaxRefreshTimeLag());
this.maxRefreshBytesLag = Math.max(this.maxRefreshBytesLag, existingStats.getMaxRefreshBytesLag());
this.totalRefreshBytesLag += existingStats.getTotalRefreshBytesLag();
this.totalUploadTime += existingStats.getTotalUploadTime();
this.totalDownloadTime += existingStats.getTotalDownloadTime();
}
}

Expand All @@ -219,19 +237,9 @@ public void writeTo(StreamOutput out) throws IOException {
out.writeLong(downloadBytesSucceeded);
out.writeLong(maxRefreshTimeLag);
out.writeLong(maxRefreshBytesLag);
/* TODO:
Adding version checks here since the base PR of adding remote store stats
in SegmentStats has already been merged and backported to 2.x branch.
Since this is a new field that is being added, we need to have this check in place
to ensure BWCs don't break.
This would have to be removed after the new field addition PRs are also backported to 2.x.
If possible we would need to ensure that all field addition PRs are backported at once
*/
if (out.getVersion().onOrAfter(Version.V_3_0_0)) {
out.writeLong(totalRefreshBytesLag);
}
out.writeLong(totalRefreshBytesLag);
out.writeLong(totalUploadTime);
out.writeLong(totalDownloadTime);
}

@Override
Expand All @@ -258,6 +266,7 @@ private void buildUploadStats(XContentBuilder builder) throws IOException {
builder.humanReadableField(Fields.MAX_BYTES, Fields.MAX, new ByteSizeValue(maxRefreshBytesLag));
builder.endObject();
builder.humanReadableField(Fields.MAX_REFRESH_TIME_LAG_IN_MILLIS, Fields.MAX_REFRESH_TIME_LAG, new TimeValue(maxRefreshTimeLag));
builder.humanReadableField(Fields.TOTAL_TIME_SPENT_IN_MILLIS, Fields.TOTAL_TIME_SPENT, new TimeValue(totalUploadTime));
}

private void buildDownloadStats(XContentBuilder builder) throws IOException {
Expand All @@ -266,6 +275,7 @@ private void buildDownloadStats(XContentBuilder builder) throws IOException {
builder.humanReadableField(Fields.SUCCEEDED_BYTES, Fields.SUCCEEDED, new ByteSizeValue(downloadBytesSucceeded));
builder.humanReadableField(Fields.FAILED_BYTES, Fields.FAILED, new ByteSizeValue(downloadBytesFailed));
builder.endObject();
builder.humanReadableField(Fields.TOTAL_TIME_SPENT_IN_MILLIS, Fields.TOTAL_TIME_SPENT, new TimeValue(totalDownloadTime));
}

static final class Fields {
Expand All @@ -287,5 +297,7 @@ static final class Fields {
static final String TOTAL_BYTES = "total_bytes";
static final String MAX = "max";
static final String MAX_BYTES = "max_bytes";
static final String TOTAL_TIME_SPENT = "total_time_spent";
static final String TOTAL_TIME_SPENT_IN_MILLIS = "total_time_spent_in_millis";
}
}
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