Jackie-Jiang commented on code in PR #8828:
URL: https://github.com/apache/pinot/pull/8828#discussion_r898590984
##########
pinot-common/src/main/java/org/apache/pinot/common/metadata/ZKMetadataProvider.java:
##########
@@ -110,6 +115,10 @@ public static String
constructPropertyStorePathForInstancePartitions(String inst
return StringUtil.join("/", PROPERTYSTORE_INSTANCE_PARTITIONS_PREFIX,
instancePartitionsName);
}
+ public static String constructPropertyStorePathForTaskResource(String
resourceName) {
Review Comment:
```suggestion
public static String constructPropertyStorePathForTask(String
resourceName) {
```
##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotSegmentRestletResource.java:
##########
@@ -563,16 +646,26 @@ public SuccessResponse reloadAllSegments(
if (forceDownload && (tableTypeFromTableName == null &&
tableTypeFromRequest == null)) {
tableTypeFromRequest = TableType.OFFLINE;
}
- List<String> tableNamesWithType = ResourceUtils
- .getExistingTableNamesWithType(_pinotHelixResourceManager, tableName,
tableTypeFromRequest, LOGGER);
- Map<String, Integer> numMessagesSentPerTable = new LinkedHashMap<>();
+ List<String> tableNamesWithType =
+
ResourceUtils.getExistingTableNamesWithType(_pinotHelixResourceManager,
tableName, tableTypeFromRequest,
+ LOGGER);
+ Map<String, Pair<Integer, String>> perTableMsgData = new LinkedHashMap<>();
for (String tableNameWithType : tableNamesWithType) {
- int numMsgSent =
_pinotHelixResourceManager.reloadAllSegments(tableNameWithType, forceDownload);
- numMessagesSentPerTable.put(tableNameWithType, numMsgSent);
+ Pair<Integer, String> msgInfo =
_pinotHelixResourceManager.reloadAllSegments(tableNameWithType, forceDownload);
+ perTableMsgData.put(tableNameWithType, msgInfo);
+ // Store in ZK
+ try {
+
_pinotHelixResourceManager.addNewReloadAllSegmentsTask(tableNameWithType,
msgInfo.getRight(),
+ msgInfo.getLeft());
+ } catch (Exception e) {
+ LOGGER.error("Failed to store task meta in zookepper ", e);
+ }
}
- return new SuccessResponse("Sent " + numMessagesSentPerTable + " reload
messages");
+ return new SuccessResponse("Sent " + perTableMsgData + " reload messages");
}
+
Review Comment:
(nit) revert the empty lines
##########
pinot-common/src/main/java/org/apache/pinot/common/metadata/ZKMetadataProvider.java:
##########
@@ -98,6 +99,10 @@ public static InstanceZKMetadata
getInstanceZKMetadata(ZkHelixPropertyStore<ZNRe
return new InstanceZKMetadata(znRecord);
}
+ public static String constructPropertyStorePathForTask(String resourceName,
String taskId) {
Review Comment:
Suggest not keeping per-task level ZK metadata. It might create too many
ZNode, and can be easily left over if not handled properly
##########
pinot-common/src/main/java/org/apache/pinot/common/messages/SegmentReloadMessage.java:
##########
@@ -35,6 +35,9 @@ public class SegmentReloadMessage extends Message {
private static final String FORCE_DOWNLOAD_KEY = "forceDownload";
+ // todo (saurabh) : getMsgId() returns different id on the server side than
the one being set at controller. Check
Review Comment:
Any update on this?
##########
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/SegmentReloadTaskStatusCache.java:
##########
@@ -0,0 +1,71 @@
+/**
+ * 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.pinot.server.starter.helix;
+
+import com.google.common.cache.CacheBuilder;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.atomic.AtomicLong;
+import org.codehaus.jackson.annotate.JsonIgnore;
+
+
+public class SegmentReloadTaskStatusCache {
+
+ public static class SegmentReloadStatusValue {
+ private final long _totalSegmentCount;
+ private final AtomicLong _successCount;
+
+ SegmentReloadStatusValue(long totalSegmentCount) {
+ _totalSegmentCount = totalSegmentCount;
+ _successCount = new AtomicLong(0);
+ }
+
+ @JsonIgnore
+ public void incrementSuccess() {
+ _successCount.addAndGet(1);
+ }
+
+ public long getTotalSegmentCount() {
+ return _totalSegmentCount;
+ }
+
+ public long getSuccessCount() {
+ return _successCount.get();
+ }
+ }
+
+ private SegmentReloadTaskStatusCache() {
+ }
+
+ private static final ConcurrentMap<String, SegmentReloadStatusValue>
SEGMENT_RELOAD_STATUS_MAP =
+ CacheBuilder.newBuilder()
Review Comment:
Will this create a LRU cache?
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