[server] Cdc log visible only when the data already flush to rocksDb from preWriteBuffer #179
+284
−34
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
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,197 @@ | ||
| /* | ||
| * Copyright (c) 2024 Alibaba Group Holding Ltd. | ||
| * | ||
| * 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 com.alibaba.fluss.client.admin; | ||
|
|
||
| import com.alibaba.fluss.client.admin.OffsetSpec.LatestSpec; | ||
| import com.alibaba.fluss.client.admin.OffsetSpec.TimestampSpec; | ||
| import com.alibaba.fluss.client.scanner.ScanRecord; | ||
| import com.alibaba.fluss.client.scanner.log.LogScan; | ||
| import com.alibaba.fluss.client.scanner.log.LogScanner; | ||
| import com.alibaba.fluss.client.scanner.log.ScanRecords; | ||
| import com.alibaba.fluss.client.table.Table; | ||
| import com.alibaba.fluss.config.ConfigOptions; | ||
| import com.alibaba.fluss.config.Configuration; | ||
| import com.alibaba.fluss.config.MemorySize; | ||
| import com.alibaba.fluss.metadata.PhysicalTablePath; | ||
| import com.alibaba.fluss.metadata.TableBucket; | ||
| import com.alibaba.fluss.metadata.TableDescriptor; | ||
| import com.alibaba.fluss.metadata.TablePath; | ||
| import com.alibaba.fluss.row.InternalRow; | ||
| import com.alibaba.fluss.types.RowType; | ||
|
|
||
| import javax.annotation.Nullable; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import static com.alibaba.fluss.testutils.InternalRowAssert.assertThatRow; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
||
| /** | ||
| * The base test class for client to server request and response. The server include | ||
| * CoordinatorServer and TabletServer. | ||
| */ | ||
| public class ClientToServerITCaseUtils { | ||
|
|
||
| public static long createTable( | ||
| Admin admin, | ||
| TablePath tablePath, | ||
| TableDescriptor tableDescriptor, | ||
| boolean ignoreIfExists) | ||
| throws Exception { | ||
| admin.createDatabase(tablePath.getDatabaseName(), ignoreIfExists).get(); | ||
| admin.createTable(tablePath, tableDescriptor, ignoreIfExists).get(); | ||
| return admin.getTable(tablePath).get().getTableId(); | ||
| } | ||
|
|
||
| public static Configuration initConfig() { | ||
| Configuration conf = new Configuration(); | ||
| conf.setInt(ConfigOptions.DEFAULT_REPLICATION_FACTOR, 3); | ||
| // set a shorter interval for testing purpose | ||
| conf.set(ConfigOptions.KV_SNAPSHOT_INTERVAL, Duration.ofSeconds(1)); | ||
| // set a shorter max lag time to to make tests in FlussFailServerTableITCase faster | ||
| conf.set(ConfigOptions.LOG_REPLICA_MAX_LAG_TIME, Duration.ofSeconds(10)); | ||
|
|
||
| conf.set(ConfigOptions.CLIENT_WRITER_BUFFER_MEMORY_SIZE, MemorySize.parse("1mb")); | ||
| conf.set(ConfigOptions.CLIENT_WRITER_BATCH_SIZE, MemorySize.parse("1kb")); | ||
| return conf; | ||
| } | ||
|
|
||
| public static LogScanner createLogScanner(Table table) { | ||
| return table.getLogScanner(new LogScan()); | ||
| } | ||
|
|
||
| public static LogScanner createLogScanner(Table table, int[] projectFields) { | ||
| return table.getLogScanner(new LogScan().withProjectedFields(projectFields)); | ||
| } | ||
|
|
||
| public static void subscribeFromBeginning(LogScanner logScanner, Table table) { | ||
| int bucketCount = getBucketCount(table); | ||
| for (int i = 0; i < bucketCount; i++) { | ||
| logScanner.subscribeFromBeginning(i); | ||
| } | ||
| } | ||
|
|
||
| public static void subscribeFromTimestamp( | ||
| PhysicalTablePath physicalTablePath, | ||
| @Nullable Long partitionId, | ||
| Table table, | ||
| LogScanner logScanner, | ||
| Admin admin, | ||
| long timestamp) | ||
| throws Exception { | ||
| Map<Integer, Long> offsetsMap = | ||
| admin.listOffsets( | ||
| physicalTablePath, | ||
| getAllBuckets(table), | ||
| new TimestampSpec(timestamp)) | ||
| .all() | ||
| .get(); | ||
| if (partitionId != null) { | ||
| offsetsMap.forEach( | ||
| (bucketId, offset) -> logScanner.subscribe(partitionId, bucketId, offset)); | ||
| } else { | ||
| offsetsMap.forEach(logScanner::subscribe); | ||
| } | ||
| } | ||
|
|
||
| public static void subscribeFromLatestOffset( | ||
| PhysicalTablePath physicalTablePath, | ||
| @Nullable Long partitionId, | ||
| Table table, | ||
| LogScanner logScanner, | ||
| Admin admin) | ||
| throws Exception { | ||
| Map<Integer, Long> offsetsMap = | ||
| admin.listOffsets(physicalTablePath, getAllBuckets(table), new LatestSpec()) | ||
| .all() | ||
| .get(); | ||
| if (partitionId != null) { | ||
| offsetsMap.forEach( | ||
| (bucketId, offset) -> logScanner.subscribe(partitionId, bucketId, offset)); | ||
| } else { | ||
| offsetsMap.forEach(logScanner::subscribe); | ||
| } | ||
| } | ||
|
|
||
| public static List<Integer> getAllBuckets(Table table) { | ||
| List<Integer> buckets = new ArrayList<>(); | ||
| int bucketCount = getBucketCount(table); | ||
| for (int i = 0; i < bucketCount; i++) { | ||
| buckets.add(i); | ||
| } | ||
| return buckets; | ||
| } | ||
|
|
||
| public static int getBucketCount(Table table) { | ||
| return table.getDescriptor() | ||
| .getTableDistribution() | ||
| .flatMap(TableDescriptor.TableDistribution::getBucketCount) | ||
| .orElse(ConfigOptions.DEFAULT_BUCKET_NUMBER.defaultValue()); | ||
| } | ||
|
|
||
| public static void verifyPartitionLogs( | ||
| Table table, RowType rowType, Map<Long, List<InternalRow>> expectPartitionsRows) | ||
| throws Exception { | ||
| int totalRecords = | ||
| expectPartitionsRows.values().stream().map(List::size).reduce(0, Integer::sum); | ||
| int scanRecordCount = 0; | ||
| Map<Long, List<InternalRow>> actualRows = new HashMap<>(); | ||
| try (LogScanner logScanner = table.getLogScanner(new LogScan())) { | ||
| for (Long partitionId : expectPartitionsRows.keySet()) { | ||
| logScanner.subscribeFromBeginning(partitionId, 0); | ||
| } | ||
| while (scanRecordCount < totalRecords) { | ||
| ScanRecords scanRecords = logScanner.poll(Duration.ofSeconds(1)); | ||
| for (TableBucket scanBucket : scanRecords.buckets()) { | ||
| List<ScanRecord> records = scanRecords.records(scanBucket); | ||
| for (ScanRecord scanRecord : records) { | ||
| actualRows | ||
| .computeIfAbsent( | ||
| scanBucket.getPartitionId(), k -> new ArrayList<>()) | ||
| .add(scanRecord.getRow()); | ||
| } | ||
| } | ||
| scanRecordCount += scanRecords.count(); | ||
| } | ||
| } | ||
| assertThat(scanRecordCount).isEqualTo(totalRecords); | ||
| verifyRows(rowType, actualRows, expectPartitionsRows); | ||
| } | ||
|
|
||
| public static void verifyRows( | ||
| RowType rowType, | ||
| Map<Long, List<InternalRow>> actualRows, | ||
| Map<Long, List<InternalRow>> expectedRows) { | ||
| // verify rows size | ||
| assertThat(actualRows.size()).isEqualTo(expectedRows.size()); | ||
| // verify each partition -> rows | ||
| for (Map.Entry<Long, List<InternalRow>> entry : actualRows.entrySet()) { | ||
| List<InternalRow> actual = entry.getValue(); | ||
| List<InternalRow> expected = expectedRows.get(entry.getKey()); | ||
| // verify size | ||
| assertThat(actual.size()).isEqualTo(expected.size()); | ||
| // verify each row | ||
| for (int i = 0; i < actual.size(); i++) { | ||
| assertThatRow(actual.get(i)).withSchema(rowType).isEqualTo(expected.get(i)); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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
Oops, something went wrong.
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
This does not seem to be used.