atris commented on a change in pull request #1626: URL: https://github.com/apache/lucene-solr/pull/1626#discussion_r447188868
########## File path: solr/solr-ref-guide/src/circuit-breakers.adoc ########## @@ -0,0 +1,81 @@ += Circuit Breakers +// 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. + +Solr's circuit breaker infrastructure allows prevention of actions that can cause a node to go beyond its capacity or to go down. The +premise of circuit breakers is to ensure a higher quality of service and only accept request loads that are serviceable in the current +resource configuration. + +== When To Use Circuit Breakers +Circuit breakers should be used when the user wishes to trade request throughput for a higher Solr stability. If circuit breakers +are enabled, requests may be rejected under the condition of high node duress with an appropriate HTTP error code (typically 503). + +It is upto the client to handle the same and potentially build a retrial logic as this should ideally be a transient situation. + +== Types Of Circuit Breakers +Circuit breakers can be of two types: Review comment: Removed the same, thanks ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org
