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Leader Stats API (opensearch-project#122) (opensearch-project#133)
Signed-off-by: Gaurav Bafna <[email protected]>
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39 changes: 39 additions & 0 deletions
39
src/main/kotlin/com/amazon/elasticsearch/replication/action/stats/LeaderNodeStatsResponse.kt
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
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| package com.amazon.elasticsearch.replication.action.stats | ||
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| import com.amazon.elasticsearch.replication.seqno.RemoteShardMetric | ||
| import com.amazon.elasticsearch.replication.seqno.RemoteShardMetric.RemoteShardStats | ||
| import org.elasticsearch.action.support.nodes.BaseNodeResponse | ||
| import org.elasticsearch.cluster.node.DiscoveryNode | ||
| import org.elasticsearch.common.io.stream.StreamInput | ||
| import org.elasticsearch.common.io.stream.StreamOutput | ||
| import org.elasticsearch.index.shard.ShardId | ||
| import java.io.IOException | ||
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| class LeaderNodeStatsResponse : BaseNodeResponse { | ||
| var remoteStats :Map<ShardId, RemoteShardMetric.RemoteShardStats> | ||
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| constructor(inp: StreamInput) : super(inp) { | ||
| remoteStats = inp.readMap(::ShardId, ::RemoteShardStats) | ||
| } | ||
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| constructor(node : DiscoveryNode, remoteClusterStats: Map<ShardId, RemoteShardMetric>) : super(node) { | ||
| remoteStats = remoteClusterStats.mapValues { (_ , v) -> v.createStats() } | ||
| } | ||
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| @Throws(IOException::class) | ||
| override fun writeTo(out: StreamOutput) { | ||
| super.writeTo(out) | ||
| out.writeMap(remoteStats, { o, k -> k.writeTo(o)}, { o, v -> v.writeTo(o)}) | ||
| } | ||
| } |
25 changes: 25 additions & 0 deletions
25
src/main/kotlin/com/amazon/elasticsearch/replication/action/stats/LeaderStatsAction.kt
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
|
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| package com.amazon.elasticsearch.replication.action.stats | ||
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| import org.elasticsearch.action.ActionType | ||
| import org.elasticsearch.common.io.stream.Writeable | ||
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| class LeaderStatsAction : ActionType<LeaderStatsResponse>(NAME, reader) { | ||
| companion object { | ||
| const val NAME = "indices:admin/plugins/replication/index/stats" | ||
| val INSTANCE = LeaderStatsAction() | ||
| val reader = Writeable.Reader { inp -> LeaderStatsResponse(inp) } | ||
| } | ||
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| override fun getResponseReader(): Writeable.Reader<LeaderStatsResponse> = reader | ||
| } |
42 changes: 42 additions & 0 deletions
42
src/main/kotlin/com/amazon/elasticsearch/replication/action/stats/LeaderStatsRequest.kt
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
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| package com.amazon.elasticsearch.replication.action.stats | ||
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| import org.elasticsearch.action.support.nodes.BaseNodesRequest | ||
| import org.elasticsearch.common.io.stream.StreamInput | ||
| import org.elasticsearch.common.io.stream.StreamOutput | ||
| import java.io.IOException | ||
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| /** | ||
| * A request to get node (cluster) level replication stats. | ||
| */ | ||
| class LeaderStatsRequest : BaseNodesRequest<LeaderStatsRequest?> { | ||
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| /** | ||
| * | ||
| * @param in A stream input object. | ||
| * @throws IOException if the stream cannot be deserialized. | ||
| */ | ||
| constructor(inp: StreamInput) : super(inp) | ||
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| /** | ||
| * Get information from nodes based on the nodes ids specified. If none are passed, information | ||
| * for all nodes will be returned. | ||
| */ | ||
| constructor(vararg nodesIds: String) : super(*nodesIds) | ||
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| @Throws(IOException::class) | ||
| override fun writeTo(out: StreamOutput) { | ||
| super.writeTo(out) | ||
| } | ||
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| } |
103 changes: 103 additions & 0 deletions
103
src/main/kotlin/com/amazon/elasticsearch/replication/action/stats/LeaderStatsResponse.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
|
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| package com.amazon.elasticsearch.replication.action.stats | ||
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| import com.amazon.elasticsearch.replication.seqno.RemoteShardMetric | ||
| import com.amazon.elasticsearch.replication.seqno.RemoteShardMetric.RemoteShardStats | ||
| import org.apache.logging.log4j.LogManager | ||
| import org.elasticsearch.action.FailedNodeException | ||
| import org.elasticsearch.action.support.nodes.BaseNodesResponse | ||
| import org.elasticsearch.cluster.ClusterName | ||
| import org.elasticsearch.common.Strings | ||
| import org.elasticsearch.common.io.stream.StreamInput | ||
| import org.elasticsearch.common.io.stream.StreamOutput | ||
| import org.elasticsearch.common.xcontent.ToXContent.EMPTY_PARAMS | ||
| import org.elasticsearch.common.xcontent.ToXContent.Params | ||
| import org.elasticsearch.common.xcontent.ToXContentObject | ||
| import org.elasticsearch.common.xcontent.XContentBuilder | ||
| import org.elasticsearch.common.xcontent.XContentFactory | ||
| import java.io.IOException | ||
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| class LeaderStatsResponse : BaseNodesResponse<LeaderNodeStatsResponse?>, ToXContentObject { | ||
| var remoteStats :MutableMap<String, RemoteShardMetric.RemoteShardStats> = mutableMapOf() | ||
| var ops :Long = 0 | ||
| var tlogSize :Long = 0 | ||
| var opsLucene :Long = 0 | ||
| var opsTlog :Long = 0 | ||
| var latencyLucene :Long = 0 | ||
| var latencyTlog :Long = 0 | ||
| var bytesRead :Long = 0 | ||
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| companion object { | ||
| private val log = LogManager.getLogger(LeaderStatsResponse::class.java) | ||
| } | ||
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| constructor(inp: StreamInput) : super(inp) { | ||
| remoteStats = inp.readMap(StreamInput::readString, ::RemoteShardStats) | ||
| } | ||
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| fun add(stat :RemoteShardStats) { | ||
| ops += stat.ops | ||
| tlogSize += stat.tlogSize | ||
| opsLucene += stat.opsLucene | ||
| opsTlog += stat.opsTlog | ||
| latencyLucene += stat.latencyLucene | ||
| latencyTlog += stat.latencyTlog | ||
| bytesRead += stat.bytesRead | ||
| } | ||
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| constructor(clusterName: ClusterName?, leaderNodeRespons: List<LeaderNodeStatsResponse>?, failures: List<FailedNodeException?>?) : super(clusterName, leaderNodeRespons, failures) { | ||
| if (leaderNodeRespons != null) { | ||
| for (response in leaderNodeRespons) { | ||
| for (entry in response.remoteStats) { | ||
| remoteStats[entry.key.indexName] = remoteStats.getOrDefault(entry.key.indexName, RemoteShardStats()) | ||
| remoteStats[entry.key.indexName]!!.add(entry.value) | ||
| add(entry.value) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @Throws(IOException::class) | ||
| override fun readNodesFrom(inp: StreamInput): List<LeaderNodeStatsResponse> { | ||
| return inp.readList { LeaderNodeStatsResponse(inp) } | ||
| } | ||
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| @Throws(IOException::class) | ||
| override fun writeNodesTo(out: StreamOutput, leaderNodeRespons: List<LeaderNodeStatsResponse?>?) { | ||
| out.writeList(leaderNodeRespons) | ||
| } | ||
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| @Throws(IOException::class) | ||
| override fun toXContent(builder: XContentBuilder, params: Params?): XContentBuilder { | ||
| builder.startObject() | ||
| builder.field("num_replicated_indices", remoteStats.size) | ||
| builder.field("operations_read", ops) | ||
| builder.field("translog_size_bytes", tlogSize) | ||
| builder.field("operations_read_lucene", opsLucene) | ||
| builder.field("operations_read_translog", opsTlog) | ||
| builder.field("total_read_time_lucene_millis", latencyLucene) | ||
| builder.field("total_read_time_translog_millis", latencyTlog) | ||
| builder.field("bytes_read", bytesRead) | ||
| builder.field("index_details").map(remoteStats) | ||
| builder.endObject() | ||
| return builder | ||
| } | ||
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| override fun toString(): String { | ||
| val builder: XContentBuilder = XContentFactory.jsonBuilder().prettyPrint() | ||
| toXContent(builder, EMPTY_PARAMS) | ||
| return Strings.toString(builder) | ||
| } | ||
| } | ||
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30 changes: 30 additions & 0 deletions
30
src/main/kotlin/com/amazon/elasticsearch/replication/action/stats/NodeStatsRequest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
|
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| package com.amazon.elasticsearch.replication.action.stats | ||
|
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| import org.elasticsearch.action.support.nodes.BaseNodeRequest | ||
| import org.elasticsearch.common.io.stream.StreamInput | ||
| import org.elasticsearch.common.io.stream.StreamOutput | ||
| import java.io.IOException | ||
|
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| class NodeStatsRequest : BaseNodeRequest { | ||
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| constructor(inp :StreamInput) : super(inp) | ||
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| constructor() | ||
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| @Throws(IOException::class) | ||
| override fun writeTo(out: StreamOutput) { | ||
| super.writeTo(out) | ||
| } | ||
| } | ||
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