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/**
* 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.fs.azurebfs;
import java.util.HashMap;
import java.util.Map;
import org.apache.hadoop.fs.StorageStatistics.CommonStatisticNames;
import org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants;
import org.apache.hadoop.fs.statistics.StoreStatisticNames;
/**
* Statistic which are collected in Abfs.
* Available as metrics in {@link AbfsCountersImpl}.
*/
public enum AbfsStatistic {
CALL_CREATE(CommonStatisticNames.OP_CREATE,
"Calls of create()."),
CALL_OPEN(CommonStatisticNames.OP_OPEN,
"Calls of open()."),
CALL_GET_FILE_STATUS(CommonStatisticNames.OP_GET_FILE_STATUS,
"Calls of getFileStatus()."),
CALL_APPEND(CommonStatisticNames.OP_APPEND,
"Calls of append()."),
CALL_CREATE_NON_RECURSIVE(CommonStatisticNames.OP_CREATE_NON_RECURSIVE,
"Calls of createNonRecursive()."),
CALL_DELETE(CommonStatisticNames.OP_DELETE,
"Calls of delete()."),
CALL_EXIST(CommonStatisticNames.OP_EXISTS,
"Calls of exist()."),
CALL_GET_DELEGATION_TOKEN(CommonStatisticNames.OP_GET_DELEGATION_TOKEN,
"Calls of getDelegationToken()."),
CALL_LIST_STATUS(CommonStatisticNames.OP_LIST_STATUS,
"Calls of listStatus()."),
CALL_MKDIRS(CommonStatisticNames.OP_MKDIRS,
"Calls of mkdirs()."),
CALL_RENAME(CommonStatisticNames.OP_RENAME,
"Calls of rename()."),
DIRECTORIES_CREATED("directories_created",
"Total number of directories created through the object store."),
DIRECTORIES_DELETED("directories_deleted",
"Total number of directories deleted through the object store."),
FILES_CREATED("files_created",
"Total number of files created through the object store."),
FILES_DELETED("files_deleted",
"Total number of files deleted from the object store."),
ERROR_IGNORED("error_ignored",
"Errors caught and ignored."),
//Network statistics.
CONNECTIONS_MADE("connections_made",
"Total number of times a connection was made with the data store."),
SEND_REQUESTS("send_requests",
"Total number of times http requests were sent to the data store."),
GET_RESPONSES("get_responses",
"Total number of times a response was received."),
BYTES_SENT("bytes_sent",
"Total bytes uploaded."),
BYTES_RECEIVED("bytes_received",
"Total bytes received."),
READ_THROTTLES("read_throttles",
"Total number of times a read operation is throttled."),
WRITE_THROTTLES("write_throttles",
"Total number of times a write operation is throttled."),
SERVER_UNAVAILABLE("server_unavailable",
"Total number of times HTTP 503 status code is received in response."),
// HTTP Duration Trackers
HTTP_HEAD_REQUEST(StoreStatisticNames.ACTION_HTTP_HEAD_REQUEST,
"Time taken to complete a HEAD request",
AbfsHttpConstants.HTTP_METHOD_HEAD),
HTTP_GET_REQUEST(StoreStatisticNames.ACTION_HTTP_GET_REQUEST,
"Time taken to complete a GET request",
AbfsHttpConstants.HTTP_METHOD_GET),
HTTP_DELETE_REQUEST(StoreStatisticNames.ACTION_HTTP_DELETE_REQUEST,
"Time taken to complete a DELETE request",
AbfsHttpConstants.HTTP_METHOD_DELETE),
HTTP_PUT_REQUEST(StoreStatisticNames.ACTION_HTTP_PUT_REQUEST,
"Time taken to complete a PUT request",
AbfsHttpConstants.HTTP_METHOD_PUT),
HTTP_PATCH_REQUEST(StoreStatisticNames.ACTION_HTTP_PATCH_REQUEST,
"Time taken to complete a PATCH request",
AbfsHttpConstants.HTTP_METHOD_PATCH),
HTTP_POST_REQUEST(StoreStatisticNames.ACTION_HTTP_POST_REQUEST,
"Time taken to complete a POST request",
AbfsHttpConstants.HTTP_METHOD_POST);
private String statName;
private String statDescription;
//For http call stats only.
private String httpCall;
private static final Map HTTP_CALL_TO_NAME_MAP = new HashMap<>();
static {
for (AbfsStatistic statistic : values()) {
if (statistic.getHttpCall() != null) {
HTTP_CALL_TO_NAME_MAP.put(statistic.getHttpCall(), statistic.getStatName());
}
}
}
/**
* Constructor of AbfsStatistic to set statistic name and description.
*
* @param statName Name of the statistic.
* @param statDescription Description of the statistic.
*/
AbfsStatistic(String statName, String statDescription) {
this.statName = statName;
this.statDescription = statDescription;
}
/**
* Constructor for AbfsStatistic for HTTP durationTrackers.
*
* @param statName Name of the statistic.
* @param statDescription Description of the statistic.
* @param httpCall HTTP call associated with the stat name.
*/
AbfsStatistic(String statName, String statDescription, String httpCall) {
this.statName = statName;
this.statDescription = statDescription;
this.httpCall = httpCall;
}
/**
* Getter for statistic name.
*
* @return Name of statistic.
*/
public String getStatName() {
return statName;
}
/**
* Getter for statistic description.
*
* @return Description of statistic.
*/
public String getStatDescription() {
return statDescription;
}
/**
* Getter for http call for HTTP duration trackers.
*
* @return http call of a statistic.
*/
public String getHttpCall() {
return httpCall;
}
/**
* Get the statistic name using the http call name.
*
* @param httpCall The HTTP call used to get the statistic name.
* @return Statistic name.
*/
public static String getStatNameFromHttpCall(String httpCall) {
return HTTP_CALL_TO_NAME_MAP.get(httpCall);
}
}
