事件：早上在看自己的文章列表时发现昨晚写的一篇新的博客没有列出来，但是文章的排序仍然正确。 原因分析： 因为自己的读取策略是先读取ES，排序由ES进行！~若ES执行结果出错，则从数据库读取列表，排序默认。
cluster_block_exception
事件：早上在看自己的文章列表时发现昨晚写的一篇新的博客没有列出来，但是文章的排序仍然正确。
原因分析
因为自己的读取策略是先读取ES，排序由ES进行！~若ES执行结果出错，则从数据库读取列表，排序默认。
而当前的状况是列表排序是按照ES 的排序进行的，但是新文章没有列出来。
结论
ES更新索引失败！
验证
进入自己的ES项目，查看索引更新日志。果然，报错了，索引更新失败。
报错信息：
[2018-04-03 01:19:07] product.ERROR: {"error":{"root_cause":[{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"}],"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"},"status":403} {"exception":"[object] (Elasticsearch\\Common\\Exceptions\\Forbidden403Exception(code: 403): {\"error\":{\"root_cause\":[{\"type\":\"cluster_block_exception\",\"reason\":\"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];\"}],\"type\":\"cluster_block_exception\",\"reason\":\"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];\"},\"status\":403} at /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php:600)
[stacktrace]
#0 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php(273): Elasticsearch\\Connections\\Connection->process4xxError(Array, Array, Array)
#1 /var/www/html/search/vendor/react/promise/src/FulfilledPromise.php(25): Elasticsearch\\Connections\\Connection->Elasticsearch\\Connections\\{closure}(Array)
#2 /var/www/html/search/vendor/guzzlehttp/ringphp/src/Future/CompletedFutureValue.php(55): React\\Promise\\FulfilledPromise->then(Object(Closure), NULL, NULL)
#3 /var/www/html/search/vendor/guzzlehttp/ringphp/src/Core.php(341): GuzzleHttp\\Ring\\Future\\CompletedFutureValue->then(Object(Closure), NULL, NULL)
#4 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php(294): GuzzleHttp\\Ring\\Core::proxy(Object(GuzzleHttp\\Ring\\Future\\CompletedFutureArray), Object(Closure))
#5 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php(171): Elasticsearch\\Connections\\Connection->Elasticsearch\\Connections\\{closure}(Array, Object(Elasticsearch\\Connections\\Connection), Object(Elasticsearch\\Transport), Array)
#6 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Transport.php(106): Elasticsearch\\Connections\\Connection->performRequest('POST', '/_aliases', Array, '{\"actions\":[{\"r...', Array, Object(Elasticsearch\\Transport))
#7 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Namespaces/AbstractNamespace.php(72): Elasticsearch\\Transport->performRequest('POST', '/_aliases', Array, Array, Array)
#8 /var/www/html/search/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Namespaces/IndicesNamespace.php(897): Elasticsearch\\Namespaces\\AbstractNamespace->performRequest(Object(Elasticsearch\\Endpoints\\Indices\\Aliases\\Update))
#9 /var/www/html/search/app/Models/Blog/Blog.php(83): Elasticsearch\\Namespaces\\IndicesNamespace->updateAliases(Array)
#10 /var/www/html/search/app/Console/Commands/BulkCommand.php(41): App\\Models\\Blog\\Blog->bulkIndex()
#11 [internal function]: App\\Console\\Commands\\BulkCommand->handle()
#12 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(29): call_user_func_array(Array, Array)
#13 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(87): Illuminate\\Container\\BoundMethod::Illuminate\\Container\\{closure}()
#14 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(31): Illuminate\\Container\\BoundMethod::callBoundMethod(Object(Illuminate\\Foundation\\Application), Array, Object(Closure))
#15 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Container/Container.php(549): Illuminate\\Container\\BoundMethod::call(Object(Illuminate\\Foundation\\Application), Array, Array, NULL)
#16 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Console/Command.php(183): Illuminate\\Container\\Container->call(Array)
#17 /var/www/html/search/vendor/symfony/console/Command/Command.php(252): Illuminate\\Console\\Command->execute(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Illuminate\\Console\\OutputStyle))
#18 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Console/Command.php(170): Symfony\\Component\\Console\\Command\\Command->run(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Illuminate\\Console\\OutputStyle))
#19 /var/www/html/search/vendor/symfony/console/Application.php(936): Illuminate\\Console\\Command->run(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#20 /var/www/html/search/vendor/symfony/console/Application.php(240): Symfony\\Component\\Console\\Application->doRunCommand(Object(App\\Console\\Commands\\BulkCommand), Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#21 /var/www/html/search/vendor/symfony/console/Application.php(148): Symfony\\Component\\Console\\Application->doRun(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#22 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Console/Application.php(88): Symfony\\Component\\Console\\Application->run(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#23 /var/www/html/search/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(121): Illuminate\\Console\\Application->run(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#24 /var/www/html/search/artisan(37): Illuminate\\Foundation\\Console\\Kernel->handle(Object(Symfony\\Component\\Console\\Input\\ArgvInput), Object(Symfony\\Component\\Console\\Output\\ConsoleOutput))
#25 {main}
"}
主要原因是这个：
{"error":{"root_cause":[{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"}],"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"},"status":403}
通过在网络中查询，得出大概原因是ES新节点的数据目录data存储空间不足，导致从master主节点接收同步数据的时候失败，此时ES集群为了保护数据，会自动把索引分片index置为只读read-only。看到这里我想到确实是昨天自己服务器磁盘被写满了，应该是那时索引没有了存储空间导致的。
我们看下现在的索引设置：
curl -XGET localhost:9200/_settings?pretty
{
"blog_v1_product" : {
"settings" : {
"index" : {
"number_of_shards" : "2",
"blocks" : {
"read_only_allow_delete" : "true"
},
"provided_name" : "blog_v1_product",
"creation_date" : "1522544402424",
"analysis" : {
"analyzer" : {
"ik_smart" : {
"tokenizer" : "ik_smart"
},
"ik_max_word" : {
"tokenizer" : "ik_max_word"
}
}
},
"number_of_replicas" : "2",
"uuid" : "0uatJENnQ8OujQH2okT4sQ",
"version" : {
"created" : "6020299"
}
}
}
},
"blog_v0_product" : {
"settings" : {
"index" : {
"number_of_shards" : "2",
"provided_name" : "blog_v0_product",
"creation_date" : "1522718347311",
"analysis" : {
"analyzer" : {
"ik_smart" : {
"tokenizer" : "ik_smart"
},
"ik_max_word" : {
"tokenizer" : "ik_max_word"
}
}
},
"number_of_replicas" : "2",
"uuid" : "o-QpU1KHTm-ntK_HZqBPaA",
"version" : {
"created" : "6020299"
}
}
}
}
}
可以看到里面有个索引 blog_v1_product 有一个
"blocks" : {
"read_only_allow_delete" : "true"
},
正是这个
read_only_allow_delete导致的！！！
解决方法
- 要给data数据足够的存储空间，可以更改data数据的存储路径，如果改这个，要记得从起ES。如果释放完你磁盘的空间，数据的存储空间还是够的就不用改存储路径了。
- 然后要做的就是把索引的设置
read_only_allow_delete变成false。
curl -XPUT localhost:9200/blog_v1_product/_settings?pretty -H "content-type:application/json" -d '{ "index": { "blocks": {"read_only_allow_delete":"false"} } }'
{
"acknowledged" : true
}
经过上面的处理后，索引就能再次正常更新了。
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