forked from opensearch-project/OpenSearch
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Remote Routing Table] Implement write and read flow for shard diff f…
…ile. (opensearch-project#14684) * Implement write and read flow to upload/download shard diff file. Signed-off-by: Shailendra Singh <[email protected]>
- Loading branch information
1 parent
9ec4a9b
commit 6727b7d
Showing
20 changed files
with
1,663 additions
and
76 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
168 changes: 168 additions & 0 deletions
168
server/src/main/java/org/opensearch/cluster/routing/RoutingTableIncrementalDiff.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| package org.opensearch.cluster.routing; | ||
|
|
||
| import org.opensearch.cluster.Diff; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.core.common.io.stream.StreamOutput; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * Represents a difference between {@link RoutingTable} objects that can be serialized and deserialized. | ||
| */ | ||
| public class RoutingTableIncrementalDiff implements Diff<RoutingTable> { | ||
|
|
||
| private final Map<String, Diff<IndexRoutingTable>> diffs; | ||
|
|
||
| /** | ||
| * Constructs a new RoutingTableIncrementalDiff with the given differences. | ||
| * | ||
| * @param diffs a map containing the differences of {@link IndexRoutingTable}. | ||
| */ | ||
| public RoutingTableIncrementalDiff(Map<String, Diff<IndexRoutingTable>> diffs) { | ||
| this.diffs = diffs; | ||
| } | ||
|
|
||
| /** | ||
| * Gets the map of differences of {@link IndexRoutingTable}. | ||
| * | ||
| * @return a map containing the differences. | ||
| */ | ||
| public Map<String, Diff<IndexRoutingTable>> getDiffs() { | ||
| return diffs; | ||
| } | ||
|
|
||
| /** | ||
| * Reads a {@link RoutingTableIncrementalDiff} from the given {@link StreamInput}. | ||
| * | ||
| * @param in the input stream to read from. | ||
| * @return the deserialized RoutingTableIncrementalDiff. | ||
| * @throws IOException if an I/O exception occurs while reading from the stream. | ||
| */ | ||
| public static RoutingTableIncrementalDiff readFrom(StreamInput in) throws IOException { | ||
| int size = in.readVInt(); | ||
| Map<String, Diff<IndexRoutingTable>> diffs = new HashMap<>(); | ||
|
|
||
| for (int i = 0; i < size; i++) { | ||
| String key = in.readString(); | ||
| Diff<IndexRoutingTable> diff = IndexRoutingTableIncrementalDiff.readFrom(in); | ||
| diffs.put(key, diff); | ||
| } | ||
| return new RoutingTableIncrementalDiff(diffs); | ||
| } | ||
|
|
||
| /** | ||
| * Applies the differences to the provided {@link RoutingTable}. | ||
| * | ||
| * @param part the original RoutingTable to which the differences will be applied. | ||
| * @return the updated RoutingTable with the applied differences. | ||
| */ | ||
| @Override | ||
| public RoutingTable apply(RoutingTable part) { | ||
| RoutingTable.Builder builder = new RoutingTable.Builder(); | ||
| for (IndexRoutingTable indexRoutingTable : part) { | ||
| builder.add(indexRoutingTable); // Add existing index routing tables to builder | ||
| } | ||
|
|
||
| // Apply the diffs | ||
| for (Map.Entry<String, Diff<IndexRoutingTable>> entry : diffs.entrySet()) { | ||
| builder.add(entry.getValue().apply(part.index(entry.getKey()))); | ||
| } | ||
|
|
||
| return builder.build(); | ||
| } | ||
|
|
||
| /** | ||
| * Writes the differences to the given {@link StreamOutput}. | ||
| * | ||
| * @param out the output stream to write to. | ||
| * @throws IOException if an I/O exception occurs while writing to the stream. | ||
| */ | ||
| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeVInt(diffs.size()); | ||
| for (Map.Entry<String, Diff<IndexRoutingTable>> entry : diffs.entrySet()) { | ||
| out.writeString(entry.getKey()); | ||
| entry.getValue().writeTo(out); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Represents a difference between {@link IndexShardRoutingTable} objects that can be serialized and deserialized. | ||
| */ | ||
| public static class IndexRoutingTableIncrementalDiff implements Diff<IndexRoutingTable> { | ||
|
|
||
| private final List<IndexShardRoutingTable> indexShardRoutingTables; | ||
|
|
||
| /** | ||
| * Constructs a new IndexShardRoutingTableDiff with the given shard routing tables. | ||
| * | ||
| * @param indexShardRoutingTables a list of IndexShardRoutingTable representing the differences. | ||
| */ | ||
| public IndexRoutingTableIncrementalDiff(List<IndexShardRoutingTable> indexShardRoutingTables) { | ||
| this.indexShardRoutingTables = indexShardRoutingTables; | ||
| } | ||
|
|
||
| /** | ||
| * Applies the differences to the provided {@link IndexRoutingTable}. | ||
| * | ||
| * @param part the original IndexRoutingTable to which the differences will be applied. | ||
| * @return the updated IndexRoutingTable with the applied differences. | ||
| */ | ||
| @Override | ||
| public IndexRoutingTable apply(IndexRoutingTable part) { | ||
| IndexRoutingTable.Builder builder = new IndexRoutingTable.Builder(part.getIndex()); | ||
| for (IndexShardRoutingTable shardRoutingTable : part) { | ||
| builder.addIndexShard(shardRoutingTable); // Add existing shards to builder | ||
| } | ||
|
|
||
| // Apply the diff: update or add the new shard routing tables | ||
| for (IndexShardRoutingTable diffShard : indexShardRoutingTables) { | ||
| builder.addIndexShard(diffShard); | ||
| } | ||
| return builder.build(); | ||
| } | ||
|
|
||
| /** | ||
| * Writes the differences to the given {@link StreamOutput}. | ||
| * | ||
| * @param out the output stream to write to. | ||
| * @throws IOException if an I/O exception occurs while writing to the stream. | ||
| */ | ||
| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeVInt(indexShardRoutingTables.size()); | ||
| for (IndexShardRoutingTable shardRoutingTable : indexShardRoutingTables) { | ||
| IndexShardRoutingTable.Builder.writeTo(shardRoutingTable, out); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Reads a {@link IndexRoutingTableIncrementalDiff} from the given {@link StreamInput}. | ||
| * | ||
| * @param in the input stream to read from. | ||
| * @return the deserialized IndexShardRoutingTableDiff. | ||
| * @throws IOException if an I/O exception occurs while reading from the stream. | ||
| */ | ||
| public static IndexRoutingTableIncrementalDiff readFrom(StreamInput in) throws IOException { | ||
| int size = in.readVInt(); | ||
| List<IndexShardRoutingTable> indexShardRoutingTables = new ArrayList<>(size); | ||
| for (int i = 0; i < size; i++) { | ||
| IndexShardRoutingTable shardRoutingTable = IndexShardRoutingTable.Builder.readFrom(in); | ||
| indexShardRoutingTables.add(shardRoutingTable); | ||
| } | ||
| return new IndexRoutingTableIncrementalDiff(indexShardRoutingTables); | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.