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[7.14] Add null check for shard stats to data tier telemetry (#75185) #75387

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Jul 15, 2021
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[7.14] Add null check for shard stats to data tier telemetry (#75185) #75387

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24 changes: 14 additions & 10 deletions x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/DataTiersFeatureSet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
import org.elasticsearch.action.admin.cluster.node.stats.NodeStats;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.elasticsearch.action.admin.indices.stats.CommonStatsFlags;
import org.elasticsearch.action.admin.indices.stats.IndexShardStats;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.node.DiscoveryNodeRole;
Expand Down Expand Up @@ -117,16 +118,19 @@ private DataTiersFeatureSetUsage.TierSpecificStats calculateStats(List<NodeStats
.collect(Collectors.toSet());
indexCount += indicesOnNode.size();
indicesOnNode.forEach(index -> {
nodeStats.getIndices().getShardStats(index).stream()
.filter(shardStats -> shardStats.getPrimary().getStore() != null)
.forEach(shardStats -> {
StoreStats primaryStoreStats = shardStats.getPrimary().getStore();
// If storeStats is null, it means this is not a replica
primaryShardCount.incrementAndGet();
long primarySize = primaryStoreStats.getSizeInBytes();
primaryByteCount.addAndGet(primarySize);
valueSketch.add(primarySize);
});
final List<IndexShardStats> allShardStats = nodeStats.getIndices().getShardStats(index);
if (allShardStats != null) {
allShardStats.stream()
.filter(shardStats -> shardStats.getPrimary().getStore() != null)
.forEach(shardStats -> {
StoreStats primaryStoreStats = shardStats.getPrimary().getStore();
// If storeStats is null, it means this is not a replica
primaryShardCount.incrementAndGet();
long primarySize = primaryStoreStats.getSizeInBytes();
primaryByteCount.addAndGet(primarySize);
valueSketch.add(primarySize);
});
}
});
}
}
Expand Down