2015-12-09 19:32:37 -05:00
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/*
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* Licensed to Elasticsearch under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch licenses this file to you under
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* the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import org.apache.tools.ant.types.Path
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esplugin {
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description 'An easy, safe and fast scripting language for Elasticsearch'
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2016-01-27 13:37:34 -05:00
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classname 'org.elasticsearch.painless.PainlessPlugin'
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2015-12-09 19:32:37 -05:00
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}
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dependencies {
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compile 'org.antlr:antlr4-runtime:4.5.1-1'
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2016-06-11 13:23:17 -04:00
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compile 'org.ow2.asm:asm-debug-all:5.1'
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2015-12-28 22:38:55 -05:00
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}
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dependencyLicenses {
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mapping from: /asm-.*/, to: 'asm'
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2015-12-09 19:32:37 -05:00
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}
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// regeneration logic, comes in via ant right now
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// don't port it to gradle, it works fine.
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configurations {
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regenerate
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}
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dependencies {
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regenerate 'org.antlr:antlr4:4.5.1-1'
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}
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ant.references['regenerate.classpath'] = new Path(ant.project, configurations.regenerate.asPath)
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ant.importBuild 'ant.xml'
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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
2016-07-26 15:36:29 -04:00
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integTest {
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cluster {
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setting 'script.max_compilations_per_minute', '1000'
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}
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}
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2017-01-23 17:16:20 -05:00
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2017-01-26 10:39:19 -05:00
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/* Build Javadoc for the Java classes in Painless's public API that are in the
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* Painless plugin */
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2017-01-23 17:16:20 -05:00
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task apiJavadoc(type: Javadoc) {
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source = sourceSets.main.allJava
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include '**/org/elasticsearch/painless/api/'
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destinationDir = new File(docsDir, 'apiJavadoc')
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}
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task apiJavadocJar(type: Jar) {
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classifier = 'apiJavadoc'
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from apiJavadoc
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}
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assemble.dependsOn apiJavadocJar
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2017-01-26 10:39:19 -05:00
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// Reference documentation for Painless's public API.
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task generatePainlessApi(type: JavaExec) {
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main = 'org.elasticsearch.painless.PainlessDocGenerator'
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classpath = sourceSets.test.runtimeClasspath
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args file('../../docs/reference/painless-api-reference')
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}
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