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Add option to disable filesystem caching of /_delta_log/ directory
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82 changes: 82 additions & 0 deletions
82
...no-delta-lake/src/test/java/io/trino/plugin/deltalake/DeltaLakeAlluxioCacheTestUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package io.trino.plugin.deltalake; | ||
|
|
||
| import io.opentelemetry.api.common.Attributes; | ||
| import io.opentelemetry.sdk.trace.data.SpanData; | ||
|
|
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| import java.util.OptionalLong; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
|
|
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| import static io.trino.filesystem.tracing.CacheFileSystemTraceUtils.CacheOperation; | ||
| import static io.trino.filesystem.tracing.CacheFileSystemTraceUtils.getFileLocation; | ||
| import static io.trino.filesystem.tracing.CacheSystemAttributes.CACHE_FILE_READ_POSITION; | ||
| import static io.trino.filesystem.tracing.CacheSystemAttributes.CACHE_FILE_READ_SIZE; | ||
| import static io.trino.filesystem.tracing.CacheSystemAttributes.CACHE_FILE_WRITE_POSITION; | ||
| import static io.trino.filesystem.tracing.CacheSystemAttributes.CACHE_FILE_WRITE_SIZE; | ||
| import static io.trino.filesystem.tracing.FileSystemAttributes.FILE_READ_POSITION; | ||
| import static io.trino.filesystem.tracing.FileSystemAttributes.FILE_READ_SIZE; | ||
| import static java.util.Objects.requireNonNull; | ||
|
|
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| public final class DeltaLakeAlluxioCacheTestUtils | ||
| { | ||
| private static final Pattern dataFilePattern = Pattern.compile(".*?/(?<partition>((\\w+)=[^/]*/)*)(?<queryId>\\d{8}_\\d{6}_\\d{5}_\\w{5})_(?<uuid>[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})"); | ||
|
|
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| private DeltaLakeAlluxioCacheTestUtils() | ||
| {} | ||
|
|
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| public static CacheOperation createCacheOperation(SpanData span) | ||
| { | ||
| String operationName = span.getName(); | ||
| Attributes attributes = span.getAttributes(); | ||
| String path = getFileLocation(span); | ||
| String fileName = path.replaceFirst(".*/", ""); | ||
|
|
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| OptionalLong position = switch (operationName) { | ||
| case "Alluxio.readCached", "Alluxio.readExternalStream" -> OptionalLong.of(requireNonNull(attributes.get(CACHE_FILE_READ_POSITION))); | ||
| case "Alluxio.writeCache" -> OptionalLong.of(requireNonNull(attributes.get(CACHE_FILE_WRITE_POSITION))); | ||
| case "Input.readFully" -> OptionalLong.of(requireNonNull(attributes.get(FILE_READ_POSITION))); | ||
| default -> OptionalLong.empty(); | ||
| }; | ||
|
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| OptionalLong length = switch (operationName) { | ||
| case "Alluxio.readCached", "Alluxio.readExternalStream" -> OptionalLong.of(requireNonNull(attributes.get(CACHE_FILE_READ_SIZE))); | ||
| case "Alluxio.writeCache" -> OptionalLong.of(requireNonNull(attributes.get(CACHE_FILE_WRITE_SIZE))); | ||
| case "Input.readFully" -> OptionalLong.of(requireNonNull(attributes.get(FILE_READ_SIZE))); | ||
| default -> OptionalLong.empty(); | ||
| }; | ||
|
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| if (!path.contains("_delta_log") && !path.contains("/.trino")) { | ||
| Matcher matcher = dataFilePattern.matcher(path); | ||
| if (matcher.matches()) { | ||
| String changeData = path.contains("/_change_data/") ? "change_data/" : ""; | ||
| if (!path.contains("=")) { | ||
| return new CacheOperation(operationName, "data", position, length); | ||
| } | ||
| return new CacheOperation(operationName, changeData + matcher.group("partition"), position, length); | ||
| } | ||
| if (path.contains("/part-00000-")) { | ||
| return new CacheOperation(operationName, "data", position, length); | ||
| } | ||
| if (path.contains("/deletion_vector_")) { | ||
| return new CacheOperation(operationName, "deletion_vector", position, length); | ||
| } | ||
| } | ||
| else { | ||
| return new CacheOperation(operationName, fileName, position, length); | ||
| } | ||
| throw new IllegalArgumentException("File not recognized: " + path); | ||
| } | ||
| } |
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