org.apache.hudi.org.apache.hadoop.hbase.namequeues.LogHandlerUtils Maven / Gradle / Ivy
/*
*
* 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.hadoop.hbase.namequeues;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.TooSlowLog;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Event Handler utility class
*/
@InterfaceAudience.Private
public class LogHandlerUtils {
private static int getTotalFiltersCount(AdminProtos.SlowLogResponseRequest request) {
int totalFilters = 0;
if (StringUtils.isNotEmpty(request.getRegionName())) {
totalFilters++;
}
if (StringUtils.isNotEmpty(request.getTableName())) {
totalFilters++;
}
if (StringUtils.isNotEmpty(request.getClientAddress())) {
totalFilters++;
}
if (StringUtils.isNotEmpty(request.getUserName())) {
totalFilters++;
}
return totalFilters;
}
private static List filterLogs(
AdminProtos.SlowLogResponseRequest request,
List slowLogPayloadList, int totalFilters) {
List filteredSlowLogPayloads = new ArrayList<>();
final String regionName =
StringUtils.isNotEmpty(request.getRegionName()) ? request.getRegionName() : null;
final String tableName =
StringUtils.isNotEmpty(request.getTableName()) ? request.getTableName() : null;
final String clientAddress =
StringUtils.isNotEmpty(request.getClientAddress()) ? request.getClientAddress() : null;
final String userName =
StringUtils.isNotEmpty(request.getUserName()) ? request.getUserName() : null;
for (TooSlowLog.SlowLogPayload slowLogPayload : slowLogPayloadList) {
int totalFilterMatches = 0;
if (slowLogPayload.getRegionName().equals(regionName)) {
totalFilterMatches++;
}
if (tableName != null && slowLogPayload.getRegionName().startsWith(tableName)) {
totalFilterMatches++;
}
if (slowLogPayload.getClientAddress().equals(clientAddress)) {
totalFilterMatches++;
}
if (slowLogPayload.getUserName().equals(userName)) {
totalFilterMatches++;
}
if (request.hasFilterByOperator() && request.getFilterByOperator()
.equals(AdminProtos.SlowLogResponseRequest.FilterByOperator.AND)) {
// Filter by AND operator
if (totalFilterMatches == totalFilters) {
filteredSlowLogPayloads.add(slowLogPayload);
}
} else {
// Filter by OR operator
if (totalFilterMatches > 0) {
filteredSlowLogPayloads.add(slowLogPayload);
}
}
}
return filteredSlowLogPayloads;
}
public static List getFilteredLogs(
AdminProtos.SlowLogResponseRequest request, List logPayloadList) {
int totalFilters = getTotalFiltersCount(request);
if (totalFilters > 0) {
logPayloadList = filterLogs(request, logPayloadList, totalFilters);
}
int limit = Math.min(request.getLimit(), logPayloadList.size());
return logPayloadList.subList(0, limit);
}
}