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Add timestamp pinning service and scheduler to update in-memory state
Signed-off-by: Sachin Kale <[email protected]>
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Sachin Kale
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Aug 9, 2024
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132 changes: 132 additions & 0 deletions
132
server/src/main/java/org/opensearch/gateway/remote/model/RemotePinnedTimestamps.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| /* | ||
| * 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.gateway.remote.model; | ||
|
|
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.cluster.AbstractDiffable; | ||
| import org.opensearch.cluster.block.ClusterBlocks; | ||
| import org.opensearch.common.io.Streams; | ||
| import org.opensearch.common.remote.AbstractRemoteWritableBlobEntity; | ||
| import org.opensearch.common.remote.BlobPathParameters; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.core.common.io.stream.StreamOutput; | ||
| import org.opensearch.core.compress.Compressor; | ||
| import org.opensearch.core.xcontent.NamedXContentRegistry; | ||
| import org.opensearch.gateway.remote.ClusterMetadataManifest; | ||
| import org.opensearch.index.remote.RemoteStoreUtils; | ||
| import org.opensearch.repositories.blobstore.ChecksumWritableBlobStoreFormat; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
|
|
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| import static org.opensearch.gateway.remote.RemoteClusterStateUtils.DELIMITER; | ||
|
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| /** | ||
| * Wrapper class for uploading/downloading {@link RemotePinnedTimestamps} to/from remote blob store | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class RemotePinnedTimestamps extends AbstractRemoteWritableBlobEntity<RemotePinnedTimestamps.PinnedTimestamps> { | ||
| private static final Logger logger = LogManager.getLogger(RemotePinnedTimestamps.class); | ||
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| public static class PinnedTimestamps extends AbstractDiffable<ClusterBlocks> { | ||
| private final Map<Long, List<String>> pinnedTimestampPinningEntityMap; | ||
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| public PinnedTimestamps(Map<Long, List<String>> pinnedTimestampPinningEntityMap) { | ||
| this.pinnedTimestampPinningEntityMap = new ConcurrentHashMap<>(pinnedTimestampPinningEntityMap); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeMap(pinnedTimestampPinningEntityMap, StreamOutput::writeLong, StreamOutput::writeStringCollection); | ||
| } | ||
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| public static PinnedTimestamps readFrom(StreamInput in) throws IOException { | ||
| return new PinnedTimestamps(in.readMap(StreamInput::readLong, StreamInput::readStringList)); | ||
| } | ||
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| public void pin(Long timestamp, String pinningEntity) { | ||
| logger.debug("Pinning timestamp = {} against entity = {}", timestamp, pinningEntity); | ||
| pinnedTimestampPinningEntityMap.computeIfAbsent(timestamp, k -> new ArrayList<>()).add(pinningEntity); | ||
| } | ||
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| public void unpin(Long timestamp, String pinningEntity) { | ||
| logger.debug("Unpinning timestamp = {} against entity = {}", timestamp, pinningEntity); | ||
| pinnedTimestampPinningEntityMap.computeIfPresent(timestamp, (k, v) -> { | ||
| v.remove(pinningEntity); | ||
| return v.isEmpty() ? null : v; | ||
| }); | ||
| } | ||
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| public Map<Long, List<String>> getPinnedTimestampPinningEntityMap() { | ||
| return new HashMap<>(pinnedTimestampPinningEntityMap); | ||
| } | ||
| } | ||
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| public static final String PINNED_TIMESTAMPS = "pinned_timestamps"; | ||
| public static final ChecksumWritableBlobStoreFormat<PinnedTimestamps> PINNED_TIMESTAMPS_FORMAT = new ChecksumWritableBlobStoreFormat<>( | ||
| PINNED_TIMESTAMPS, | ||
| PinnedTimestamps::readFrom | ||
| ); | ||
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| private PinnedTimestamps pinnedTimestamps; | ||
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| public RemotePinnedTimestamps(String clusterUUID, Compressor compressor, NamedXContentRegistry namedXContentRegistry) { | ||
| super(clusterUUID, compressor, namedXContentRegistry); | ||
| pinnedTimestamps = new PinnedTimestamps(new HashMap<>()); | ||
| } | ||
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| @Override | ||
| public BlobPathParameters getBlobPathParameters() { | ||
| return new BlobPathParameters(List.of(PINNED_TIMESTAMPS), PINNED_TIMESTAMPS); | ||
| } | ||
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| @Override | ||
| public String getType() { | ||
| return PINNED_TIMESTAMPS; | ||
| } | ||
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| @Override | ||
| public String generateBlobFileName() { | ||
| return this.blobFileName = String.join(DELIMITER, PINNED_TIMESTAMPS, RemoteStoreUtils.invertLong(System.currentTimeMillis())); | ||
| } | ||
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| @Override | ||
| public ClusterMetadataManifest.UploadedMetadata getUploadedMetadata() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public InputStream serialize() throws IOException { | ||
| return PINNED_TIMESTAMPS_FORMAT.serialize(pinnedTimestamps, generateBlobFileName(), getCompressor()).streamInput(); | ||
| } | ||
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| @Override | ||
| public PinnedTimestamps deserialize(InputStream inputStream) throws IOException { | ||
| return PINNED_TIMESTAMPS_FORMAT.deserialize(blobName, Streams.readFully(inputStream)); | ||
| } | ||
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| public void setBlobFileName(String blobFileName) { | ||
| this.blobFileName = blobFileName; | ||
| } | ||
|
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| public void setPinnedTimestamps(PinnedTimestamps pinnedTimestamps) { | ||
| this.pinnedTimestamps = pinnedTimestamps; | ||
| } | ||
|
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| public PinnedTimestamps getPinnedTimestamps() { | ||
| return pinnedTimestamps; | ||
| } | ||
| } |
41 changes: 41 additions & 0 deletions
41
...c/main/java/org/opensearch/gateway/remote/model/RemoteStorePinnedTimestampsBlobStore.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.opensearch.gateway.remote.model; | ||
|
|
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| import org.opensearch.common.blobstore.BlobPath; | ||
| import org.opensearch.common.remote.AbstractRemoteWritableBlobEntity; | ||
| import org.opensearch.index.translog.transfer.BlobStoreTransferService; | ||
| import org.opensearch.repositories.blobstore.BlobStoreRepository; | ||
| import org.opensearch.threadpool.ThreadPool; | ||
|
|
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| /** | ||
| * Extends the RemoteClusterStateBlobStore to support {@link RemotePinnedTimestamps} | ||
| */ | ||
| public class RemoteStorePinnedTimestampsBlobStore extends RemoteClusterStateBlobStore< | ||
| RemotePinnedTimestamps.PinnedTimestamps, | ||
| RemotePinnedTimestamps> { | ||
|
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| private final BlobStoreRepository blobStoreRepository; | ||
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| public RemoteStorePinnedTimestampsBlobStore( | ||
| BlobStoreTransferService blobStoreTransferService, | ||
| BlobStoreRepository blobStoreRepository, | ||
| String clusterName, | ||
| ThreadPool threadPool, | ||
| String executor | ||
| ) { | ||
| super(blobStoreTransferService, blobStoreRepository, clusterName, threadPool, executor); | ||
| this.blobStoreRepository = blobStoreRepository; | ||
| } | ||
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| @Override | ||
| public BlobPath getBlobPathForUpload(final AbstractRemoteWritableBlobEntity<RemotePinnedTimestamps.PinnedTimestamps> obj) { | ||
| return blobStoreRepository.basePath(); | ||
| } | ||
| } |
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