OpenSearch/modules/lang-expression/build.gradle

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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
esplugin {
description 'Lucene expressions integration for Elasticsearch'
classname 'org.elasticsearch.script.expression.ExpressionPlugin'
}
dependencies {
compile "org.apache.lucene:lucene-expressions:${versions.lucene}"
compile 'org.antlr:antlr4-runtime:4.5.1-1'
compile 'org.ow2.asm:asm:5.0.4'
compile 'org.ow2.asm:asm-commons:5.0.4'
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compile 'org.ow2.asm:asm-tree:5.0.4'
}
dependencyLicenses {
mapping from: /lucene-.*/, to: 'lucene'
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mapping from: /asm-.*/, to: 'asm'
}
integTestCluster {
setting 'script.max_compilations_per_minute', '1000'
Circuit break the number of inline scripts compiled per minute When compiling many dynamically changing scripts, parameterized scripts (<https://www.elastic.co/guide/en/elasticsearch/reference/master/modules-scripting-using.html#prefer-params>) should be preferred. This enforces a limit to the number of scripts that can be compiled within a minute. A new dynamic setting is added - `script.max_compilations_per_minute`, which defaults to 15. If more dynamic scripts are sent, a user will get the following exception: ```json { "error" : { "root_cause" : [ { "type" : "circuit_breaking_exception", "reason" : "[script] Too many dynamic script compilations within one minute, max: [15/min]; please use on-disk, indexed, or scripts with parameters instead", "bytes_wanted" : 0, "bytes_limit" : 0 } ], "type" : "search_phase_execution_exception", "reason" : "all shards failed", "phase" : "query", "grouped" : true, "failed_shards" : [ { "shard" : 0, "index" : "i", "node" : "a5V1eXcZRYiIk8lecjZ4Jw", "reason" : { "type" : "general_script_exception", "reason" : "Failed to compile inline script [\"aaaaaaaaaaaaaaaa\"] using lang [painless]", "caused_by" : { "type" : "circuit_breaking_exception", "reason" : "[script] Too many dynamic script compilations within one minute, max: [15/min]; please use on-disk, indexed, or scripts with parameters instead", "bytes_wanted" : 0, "bytes_limit" : 0 } } } ], "caused_by" : { "type" : "general_script_exception", "reason" : "Failed to compile inline script [\"aaaaaaaaaaaaaaaa\"] using lang [painless]", "caused_by" : { "type" : "circuit_breaking_exception", "reason" : "[script] Too many dynamic script compilations within one minute, max: [15/min]; please use on-disk, indexed, or scripts with parameters instead", "bytes_wanted" : 0, "bytes_limit" : 0 } } }, "status" : 500 } ``` This also fixes a bug in `ScriptService` where requests being executed concurrently on a single node could cause a script to be compiled multiple times (many in the case of a powerful node with many shards) due to no synchronization between checking the cache and compiling the script. There is now synchronization so that a script being compiled will only be compiled once regardless of the number of concurrent searches on a node. Relates to #19396
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}