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Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2021/10/01 23:57:55 UTC
[GitHub] [hudi] yihua opened a new pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
yihua opened a new pull request #3743:
URL: https://github.com/apache/hudi/pull/3743
## What is the purpose of the pull request
This PR refactors the table upgrade and downgrade actions in hudi-client module to extract common logic and reduce LoC.
## Brief change log
## Verify this pull request
This pull request is already covered by existing tests around upgrade and downgrade actions.
## Committer checklist
- [ ] Has a corresponding JIRA in PR title & commit
- [ ] Commit message is descriptive of the change
- [ ] CI is green
- [ ] Necessary doc changes done or have another open PR
- [ ] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722944964
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
+ return toVersion.versionCode() != fromVersion.versionCode();
+ }
+
+ /**
+ * Perform Upgrade or Downgrade steps if required and updated table version if need be.
+ * <p>
+ * Starting from version 0.6.0, this upgrade/downgrade step will be added in all write paths.
+ * <p>
+ * Essentially, if a dataset was created using any pre 0.6.0(for eg 0.5.3), and Hoodie version was upgraded to 0.6.0,
+ * Hoodie table version gets bumped to 1 and there are some upgrade steps need to be executed before doing any writes.
+ * Similarly, if a dataset was created using Hoodie version 0.6.0 or Hoodie table version 1 and then hoodie was downgraded
+ * to pre 0.6.0 or to Hoodie table version 0, then some downgrade steps need to be executed before proceeding w/ any writes.
Review comment:
Sg. I revise the javadocs.
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[GitHub] [hudi] nsivabalan commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
nsivabalan commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r720970053
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/RollbackUtils.java
##########
@@ -120,21 +120,24 @@ static HoodieRollbackStat mergeRollbackStat(HoodieRollbackStat stat1, HoodieRoll
* Generate all rollback requests that we need to perform for rolling back this action without actually performing rolling back for MOR table type.
*
* @param instantToRollback Instant to Rollback
- * @param table instance of {@link HoodieTable} to use.
- * @param context instance of {@link HoodieEngineContext} to use.
+ * @param metaClient instance of {@link HoodieTableMetaClient} to use.
+ * @param config Write config.
+ * @param context instance of {@link HoodieEngineContext} to use.
+ * @param fileSystemView File system view.
* @return list of rollback requests
*/
- public static List<ListingBasedRollbackRequest> generateRollbackRequestsUsingFileListingMOR(HoodieInstant instantToRollback, HoodieTable table, HoodieEngineContext context) throws IOException {
+ public static List<ListingBasedRollbackRequest> generateRollbackRequestsUsingFileListingMOR(
+ HoodieInstant instantToRollback, HoodieTableMetaClient metaClient, HoodieWriteConfig config,
+ HoodieEngineContext context, TableFileSystemView.SliceView fileSystemView) throws IOException {
Review comment:
lets call the last arg as sliceView.
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/ListingBasedRollbackStrategy.java
##########
@@ -63,7 +63,8 @@ public ListingBasedRollbackStrategy(HoodieTable table,
table.getMetaClient().getBasePath(), config);
} else {
rollbackRequests = RollbackUtils
- .generateRollbackRequestsUsingFileListingMOR(instantToRollback, table, context);
+ .generateRollbackRequestsUsingFileListingMOR(
Review comment:
may I know is there any particular reason to pass slice view from here? why not pass in table and let generateAppendRollbackBlocksAction get the slice view from table?
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
+ return toVersion.versionCode() != fromVersion.versionCode();
+ }
+
+ /**
+ * Perform Upgrade or Downgrade steps if required and updated table version if need be.
+ * <p>
+ * Starting from version 0.6.0, this upgrade/downgrade step will be added in all write paths.
+ * <p>
+ * Essentially, if a dataset was created using any pre 0.6.0(for eg 0.5.3), and Hoodie version was upgraded to 0.6.0,
+ * Hoodie table version gets bumped to 1 and there are some upgrade steps need to be executed before doing any writes.
+ * Similarly, if a dataset was created using Hoodie version 0.6.0 or Hoodie table version 1 and then hoodie was downgraded
+ * to pre 0.6.0 or to Hoodie table version 0, then some downgrade steps need to be executed before proceeding w/ any writes.
Review comment:
lets also add a comment that we have 2 versions now. w/ 090, we added version 2 as well.
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/marker/WriteMarkersFactory.java
##########
@@ -34,24 +36,28 @@
private static final Logger LOG = LogManager.getLogger(WriteMarkersFactory.class);
/**
- * @param markerType the type of markers to use
- * @param table {@code HoodieTable} instance
+ * @param markerType the type of markers to use
+ * @param metaClient {@link HoodieTableMetaClient} instance to use
+ * @param config Write config
+ * @param context {@link HoodieEngineContext} instance to use
* @param instantTime current instant time
- * @return {@code WriteMarkers} instance based on the {@code MarkerType}
+ * @return {@code WriteMarkers} instance based on the {@code MarkerType}
*/
- public static WriteMarkers get(MarkerType markerType, HoodieTable table, String instantTime) {
+ public static WriteMarkers get(
+ MarkerType markerType, HoodieTableMetaClient metaClient, HoodieWriteConfig config,
Review comment:
can't we get the witeConfig from metaClient itself? trying to see if we can avoid an extra argument.
##########
File path: hudi-client/hudi-flink-client/src/main/java/org/apache/hudi/client/FlinkTaskContextSupplier.java
##########
@@ -62,4 +64,9 @@ public RuntimeContext getFlinkRuntimeContext() {
return Option.empty();
}
+ @Override
+ public String getPartitionColumns(Properties props) {
Review comment:
I do't think this belongs to the taskContextsupplier. This is very much product specific. Task Context supplier is meant to hold information about spark tasks and nothing more. Let's see if we can move elsewhere.
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
Review comment:
fix the comments
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/ListingBasedRollbackStrategy.java
##########
@@ -63,7 +63,8 @@ public ListingBasedRollbackStrategy(HoodieTable table,
table.getMetaClient().getBasePath(), config);
} else {
rollbackRequests = RollbackUtils
- .generateRollbackRequestsUsingFileListingMOR(instantToRollback, table, context);
+ .generateRollbackRequestsUsingFileListingMOR(
Review comment:
there are too many arguments in there. Can we see if we can reduce them.
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
+ return toVersion.versionCode() != fromVersion.versionCode();
+ }
+
+ /**
+ * Perform Upgrade or Downgrade steps if required and updated table version if need be.
+ * <p>
+ * Starting from version 0.6.0, this upgrade/downgrade step will be added in all write paths.
+ * <p>
+ * Essentially, if a dataset was created using any pre 0.6.0(for eg 0.5.3), and Hoodie version was upgraded to 0.6.0,
+ * Hoodie table version gets bumped to 1 and there are some upgrade steps need to be executed before doing any writes.
+ * Similarly, if a dataset was created using Hoodie version 0.6.0 or Hoodie table version 1 and then hoodie was downgraded
+ * to pre 0.6.0 or to Hoodie table version 0, then some downgrade steps need to be executed before proceeding w/ any writes.
+ * <p>
+ * On a high level, these are the steps performed
+ * <p>
+ * Step1 : Understand current hoodie table version and table version from hoodie.properties file
+ * Step2 : Delete any left over .updated from previous upgrade/downgrade
+ * Step3 : If version are different, perform upgrade/downgrade.
+ * Step4 : Copy hoodie.properties -> hoodie.properties.updated with the version updated
+ * Step6 : Rename hoodie.properties.updated to hoodie.properties
+ * </p>
+ *
+ * @param toVersion version to which upgrade or downgrade has to be done.
+ * @param instantTime current instant time that should not be touched.
+ */
+ public void run(HoodieTableVersion toVersion, String instantTime) {
+ try {
+ // Fetch version from property file and current version
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ if (!needsUpgradeOrDowngrade(toVersion)) {
+ return;
+ }
+
+ if (fs.exists(updatedPropsFilePath)) {
+ // this can be left over .updated file from a failed attempt before. Many cases exist here.
+ // a) We failed while writing the .updated file and it's content is partial (e.g hdfs)
+ // b) We failed without renaming the file to hoodie.properties. We will re-attempt everything now anyway
+ // c) rename() is not atomic in cloud stores. so hoodie.properties is fine, but we failed before deleting the .updated file
+ // All cases, it simply suffices to delete the file and proceed.
+ LOG.info("Deleting existing .updated file with content :" + FileIOUtils.readAsUTFString(fs.open(updatedPropsFilePath)));
+ fs.delete(updatedPropsFilePath, false);
+ }
+
+ // Perform the actual upgrade/downgrade; this has to be idempotent, for now.
+ LOG.info("Attempting to move table from version " + fromVersion + " to " + toVersion);
+ Map<ConfigProperty, String> tableProps = new HashMap<>();
+ if (fromVersion.versionCode() < toVersion.versionCode()) {
+ // upgrade
+ while (fromVersion.versionCode() < toVersion.versionCode()) {
+ HoodieTableVersion nextVersion = HoodieTableVersion.versionFromCode(fromVersion.versionCode() + 1);
+ tableProps.putAll(upgrade(fromVersion, nextVersion, instantTime));
+ fromVersion = nextVersion;
+ }
+ } else {
+ // downgrade
+ while (fromVersion.versionCode() > toVersion.versionCode()) {
+ HoodieTableVersion prevVersion = HoodieTableVersion.versionFromCode(fromVersion.versionCode() - 1);
+ tableProps.putAll(downgrade(fromVersion, prevVersion, instantTime));
+ fromVersion = prevVersion;
+ }
+ }
+
+ // Write out the current version in hoodie.properties.updated file
+ for (Map.Entry<ConfigProperty, String> entry : tableProps.entrySet()) {
+ metaClient.getTableConfig().setValue(entry.getKey(), entry.getValue());
+ }
+ metaClient.getTableConfig().setTableVersion(toVersion);
+ createUpdatedFile(metaClient.getTableConfig().getProps());
+
+ // because for different fs the fs.rename have different action,such as:
+ // a) for hdfs : if propsFilePath already exist,fs.rename will not replace propsFilePath, but just return false
+ // b) for localfs: if propsFilePath already exist,fs.rename will replace propsFilePath, and return ture
+ // c) for aliyun ossfs: if propsFilePath already exist,will throw FileAlreadyExistsException
+ // so we should delete the old propsFilePath. also upgrade and downgrade is Idempotent
+ if (fs.exists(propsFilePath)) {
+ fs.delete(propsFilePath, false);
+ }
+ // Rename the .updated file to hoodie.properties. This is atomic in hdfs, but not in cloud stores.
+ // But as long as this does not leave a partial hoodie.properties file, we are okay.
+ fs.rename(updatedPropsFilePath, propsFilePath);
+ } catch (IOException e) {
+ throw new HoodieUpgradeDowngradeException("Error during upgrade/downgrade to version:" + toVersion, e);
+ }
+ }
+
+ private void createUpdatedFile(Properties props) throws IOException {
+ try (FSDataOutputStream outputStream = fs.create(updatedPropsFilePath)) {
+ props.store(outputStream, "Properties saved on " + new Date(System.currentTimeMillis()));
+ }
+ }
+
+ protected Map<ConfigProperty, String> upgrade(HoodieTableVersion fromVersion, HoodieTableVersion toVersion, String instantTime) {
+ if (fromVersion == HoodieTableVersion.ZERO && toVersion == HoodieTableVersion.ONE) {
+ return new ZeroToOneUpgradeHandler().upgrade(metaClient, config, context, instantTime);
Review comment:
similar comment as above. can we avoid sending the wirteConfig as an extra argument. since we are refactoring this, wanted to take this opportunity to fix these.
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[GitHub] [hudi] nsivabalan merged pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
nsivabalan merged pull request #3743:
URL: https://github.com/apache/hudi/pull/3743
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722939258
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
Review comment:
Fixed.
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722935917
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/ListingBasedRollbackStrategy.java
##########
@@ -63,7 +63,8 @@ public ListingBasedRollbackStrategy(HoodieTable table,
table.getMetaClient().getBasePath(), config);
} else {
rollbackRequests = RollbackUtils
- .generateRollbackRequestsUsingFileListingMOR(instantToRollback, table, context);
+ .generateRollbackRequestsUsingFileListingMOR(
Review comment:
The reason to refactor the rollback methods was to avoid upgrade and downgrade helpers in the engine client package. As discussed offline, I keep one helper class for engine-specific logic needed for the upgrade and downgrade actions. Based on that I keep these rollback methods the same now.
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722938371
##########
File path: hudi-client/hudi-flink-client/src/main/java/org/apache/hudi/client/FlinkTaskContextSupplier.java
##########
@@ -62,4 +64,9 @@ public RuntimeContext getFlinkRuntimeContext() {
return Option.empty();
}
+ @Override
+ public String getPartitionColumns(Properties props) {
Review comment:
Got it. I put `getPartitionColumns()` into `BaseUpgradeDowngradeHelper` and each engine should implement it.
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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## CI report:
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722936242
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/marker/WriteMarkersFactory.java
##########
@@ -34,24 +36,28 @@
private static final Logger LOG = LogManager.getLogger(WriteMarkersFactory.class);
/**
- * @param markerType the type of markers to use
- * @param table {@code HoodieTable} instance
+ * @param markerType the type of markers to use
+ * @param metaClient {@link HoodieTableMetaClient} instance to use
+ * @param config Write config
+ * @param context {@link HoodieEngineContext} instance to use
* @param instantTime current instant time
- * @return {@code WriteMarkers} instance based on the {@code MarkerType}
+ * @return {@code WriteMarkers} instance based on the {@code MarkerType}
*/
- public static WriteMarkers get(MarkerType markerType, HoodieTable table, String instantTime) {
+ public static WriteMarkers get(
+ MarkerType markerType, HoodieTableMetaClient metaClient, HoodieWriteConfig config,
Review comment:
Right. I revert the changes to the markers-related APIs.
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] nsivabalan merged pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
nsivabalan merged pull request #3743:
URL: https://github.com/apache/hudi/pull/3743
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Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
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[GitHub] [hudi] hudi-bot commented on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
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## CI report:
* 3464963ae47ca4bddc4c57f5c1f9e14c2d87b318 Azure: [FAILURE](https://dev.azure.com/apache-hudi-ci-org/785b6ef4-2f42-4a89-8f0e-5f0d7039a0cc/_build/results?buildId=2516)
* eec99609d3670d390be3bb8e1da6b6aacec10168 UNKNOWN
* 21f5296fc6ec0e4b2de6e22762f3dd189c878e01 UNKNOWN
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722936410
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/rollback/RollbackUtils.java
##########
@@ -120,21 +120,24 @@ static HoodieRollbackStat mergeRollbackStat(HoodieRollbackStat stat1, HoodieRoll
* Generate all rollback requests that we need to perform for rolling back this action without actually performing rolling back for MOR table type.
*
* @param instantToRollback Instant to Rollback
- * @param table instance of {@link HoodieTable} to use.
- * @param context instance of {@link HoodieEngineContext} to use.
+ * @param metaClient instance of {@link HoodieTableMetaClient} to use.
+ * @param config Write config.
+ * @param context instance of {@link HoodieEngineContext} to use.
+ * @param fileSystemView File system view.
* @return list of rollback requests
*/
- public static List<ListingBasedRollbackRequest> generateRollbackRequestsUsingFileListingMOR(HoodieInstant instantToRollback, HoodieTable table, HoodieEngineContext context) throws IOException {
+ public static List<ListingBasedRollbackRequest> generateRollbackRequestsUsingFileListingMOR(
+ HoodieInstant instantToRollback, HoodieTableMetaClient metaClient, HoodieWriteConfig config,
+ HoodieEngineContext context, TableFileSystemView.SliceView fileSystemView) throws IOException {
Review comment:
The sliceView arguement is removed.
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[GitHub] [hudi] yihua commented on a change in pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
yihua commented on a change in pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#discussion_r722937716
##########
File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/UpgradeDowngrade.java
##########
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hudi.table.upgrade;
+
+import org.apache.hudi.common.config.ConfigProperty;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableConfig;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.HoodieTableVersion;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieUpgradeDowngradeException;
+
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper class to assist in upgrading/downgrading Hoodie when there is a version change.
+ */
+public class UpgradeDowngrade {
+
+ private static final Logger LOG = LogManager.getLogger(UpgradeDowngrade.class);
+ public static final String HOODIE_UPDATED_PROPERTY_FILE = "hoodie.properties.updated";
+
+ private HoodieTableMetaClient metaClient;
+ protected HoodieWriteConfig config;
+ protected HoodieEngineContext context;
+ private transient FileSystem fs;
+ private Path updatedPropsFilePath;
+ private Path propsFilePath;
+
+ public UpgradeDowngrade(HoodieTableMetaClient metaClient, HoodieWriteConfig config, HoodieEngineContext context) {
+ this.metaClient = metaClient;
+ this.config = config;
+ this.context = context;
+ this.fs = metaClient.getFs();
+ this.updatedPropsFilePath = new Path(metaClient.getMetaPath(), HOODIE_UPDATED_PROPERTY_FILE);
+ this.propsFilePath = new Path(metaClient.getMetaPath(), HoodieTableConfig.HOODIE_PROPERTIES_FILE);
+ }
+
+ public boolean needsUpgradeOrDowngrade(HoodieTableVersion toVersion) {
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ // Ensure no inflight commits & versions are same
+ return toVersion.versionCode() != fromVersion.versionCode();
+ }
+
+ /**
+ * Perform Upgrade or Downgrade steps if required and updated table version if need be.
+ * <p>
+ * Starting from version 0.6.0, this upgrade/downgrade step will be added in all write paths.
+ * <p>
+ * Essentially, if a dataset was created using any pre 0.6.0(for eg 0.5.3), and Hoodie version was upgraded to 0.6.0,
+ * Hoodie table version gets bumped to 1 and there are some upgrade steps need to be executed before doing any writes.
+ * Similarly, if a dataset was created using Hoodie version 0.6.0 or Hoodie table version 1 and then hoodie was downgraded
+ * to pre 0.6.0 or to Hoodie table version 0, then some downgrade steps need to be executed before proceeding w/ any writes.
+ * <p>
+ * On a high level, these are the steps performed
+ * <p>
+ * Step1 : Understand current hoodie table version and table version from hoodie.properties file
+ * Step2 : Delete any left over .updated from previous upgrade/downgrade
+ * Step3 : If version are different, perform upgrade/downgrade.
+ * Step4 : Copy hoodie.properties -> hoodie.properties.updated with the version updated
+ * Step6 : Rename hoodie.properties.updated to hoodie.properties
+ * </p>
+ *
+ * @param toVersion version to which upgrade or downgrade has to be done.
+ * @param instantTime current instant time that should not be touched.
+ */
+ public void run(HoodieTableVersion toVersion, String instantTime) {
+ try {
+ // Fetch version from property file and current version
+ HoodieTableVersion fromVersion = metaClient.getTableConfig().getTableVersion();
+ if (!needsUpgradeOrDowngrade(toVersion)) {
+ return;
+ }
+
+ if (fs.exists(updatedPropsFilePath)) {
+ // this can be left over .updated file from a failed attempt before. Many cases exist here.
+ // a) We failed while writing the .updated file and it's content is partial (e.g hdfs)
+ // b) We failed without renaming the file to hoodie.properties. We will re-attempt everything now anyway
+ // c) rename() is not atomic in cloud stores. so hoodie.properties is fine, but we failed before deleting the .updated file
+ // All cases, it simply suffices to delete the file and proceed.
+ LOG.info("Deleting existing .updated file with content :" + FileIOUtils.readAsUTFString(fs.open(updatedPropsFilePath)));
+ fs.delete(updatedPropsFilePath, false);
+ }
+
+ // Perform the actual upgrade/downgrade; this has to be idempotent, for now.
+ LOG.info("Attempting to move table from version " + fromVersion + " to " + toVersion);
+ Map<ConfigProperty, String> tableProps = new HashMap<>();
+ if (fromVersion.versionCode() < toVersion.versionCode()) {
+ // upgrade
+ while (fromVersion.versionCode() < toVersion.versionCode()) {
+ HoodieTableVersion nextVersion = HoodieTableVersion.versionFromCode(fromVersion.versionCode() + 1);
+ tableProps.putAll(upgrade(fromVersion, nextVersion, instantTime));
+ fromVersion = nextVersion;
+ }
+ } else {
+ // downgrade
+ while (fromVersion.versionCode() > toVersion.versionCode()) {
+ HoodieTableVersion prevVersion = HoodieTableVersion.versionFromCode(fromVersion.versionCode() - 1);
+ tableProps.putAll(downgrade(fromVersion, prevVersion, instantTime));
+ fromVersion = prevVersion;
+ }
+ }
+
+ // Write out the current version in hoodie.properties.updated file
+ for (Map.Entry<ConfigProperty, String> entry : tableProps.entrySet()) {
+ metaClient.getTableConfig().setValue(entry.getKey(), entry.getValue());
+ }
+ metaClient.getTableConfig().setTableVersion(toVersion);
+ createUpdatedFile(metaClient.getTableConfig().getProps());
+
+ // because for different fs the fs.rename have different action,such as:
+ // a) for hdfs : if propsFilePath already exist,fs.rename will not replace propsFilePath, but just return false
+ // b) for localfs: if propsFilePath already exist,fs.rename will replace propsFilePath, and return ture
+ // c) for aliyun ossfs: if propsFilePath already exist,will throw FileAlreadyExistsException
+ // so we should delete the old propsFilePath. also upgrade and downgrade is Idempotent
+ if (fs.exists(propsFilePath)) {
+ fs.delete(propsFilePath, false);
+ }
+ // Rename the .updated file to hoodie.properties. This is atomic in hdfs, but not in cloud stores.
+ // But as long as this does not leave a partial hoodie.properties file, we are okay.
+ fs.rename(updatedPropsFilePath, propsFilePath);
+ } catch (IOException e) {
+ throw new HoodieUpgradeDowngradeException("Error during upgrade/downgrade to version:" + toVersion, e);
+ }
+ }
+
+ private void createUpdatedFile(Properties props) throws IOException {
+ try (FSDataOutputStream outputStream = fs.create(updatedPropsFilePath)) {
+ props.store(outputStream, "Properties saved on " + new Date(System.currentTimeMillis()));
+ }
+ }
+
+ protected Map<ConfigProperty, String> upgrade(HoodieTableVersion fromVersion, HoodieTableVersion toVersion, String instantTime) {
+ if (fromVersion == HoodieTableVersion.ZERO && toVersion == HoodieTableVersion.ONE) {
+ return new ZeroToOneUpgradeHandler().upgrade(metaClient, config, context, instantTime);
Review comment:
Right. I change the method signature to only have write config now.
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[GitHub] [hudi] hudi-bot edited a comment on pull request #3743: [HUDI-2513] Refactor table upgrade and downgrade actions in hudi-client module
Posted by GitBox <gi...@apache.org>.
hudi-bot edited a comment on pull request #3743:
URL: https://github.com/apache/hudi/pull/3743#issuecomment-932639881
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## CI report:
* 7ba73cb76255dd2dfc85a078cc03120595ad36dd Azure: [FAILURE](https://dev.azure.com/apache-hudi-ci-org/785b6ef4-2f42-4a89-8f0e-5f0d7039a0cc/_build/results?buildId=2488)
* 3464963ae47ca4bddc4c57f5c1f9e14c2d87b318 Azure: [PENDING](https://dev.azure.com/apache-hudi-ci-org/785b6ef4-2f42-4a89-8f0e-5f0d7039a0cc/_build/results?buildId=2516)
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