/* * 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.metrics; /** * Common interface for metrics source implementations which need to track individual exception * types thrown or received. */ public interface ExceptionTrackingSource extends BaseSource { String EXCEPTIONS_NAME="exceptions"; String EXCEPTIONS_DESC="Exceptions caused by requests"; String EXCEPTIONS_TYPE_DESC="Number of requests that resulted in the specified type of Exception"; String EXCEPTIONS_OOO_NAME="exceptions.OutOfOrderScannerNextException"; String EXCEPTIONS_BUSY_NAME="exceptions.RegionTooBusyException"; String EXCEPTIONS_UNKNOWN_NAME="exceptions.UnknownScannerException"; String EXCEPTIONS_SCANNER_RESET_NAME="exceptions.ScannerResetException"; String EXCEPTIONS_SANITY_NAME="exceptions.FailedSanityCheckException"; String EXCEPTIONS_MOVED_NAME="exceptions.RegionMovedException"; String EXCEPTIONS_NSRE_NAME="exceptions.NotServingRegionException"; String EXCEPTIONS_MULTI_TOO_LARGE_NAME = "exceptions.multiResponseTooLarge"; String EXCEPTIONS_MULTI_TOO_LARGE_DESC = "A response to a multi request was too large and the " + "rest of the requests will have to be retried."; String EXCEPTIONS_CALL_QUEUE_TOO_BIG = "exceptions.callQueueTooBig"; String EXCEPTIONS_CALL_QUEUE_TOO_BIG_DESC = "Call queue is full"; void exception(); /** * Different types of exceptions */ void outOfOrderException(); void failedSanityException(); void movedRegionException(); void notServingRegionException(); void unknownScannerException(); void scannerResetException(); void tooBusyException(); void multiActionTooLargeException(); void callQueueTooBigException(); }