[英]Delete_by_query in elasticsearch 5.0 using elasticsearch-dsl
[英]Version conflict when using the delete method of elasticsearch-dsl
因此,我們在 Django 項目中使用了 elasticsearch,並且使用了 elasticsearch-dsl python 庫。
我們在生產中遇到以下錯誤:
ConflictError(409, '{"took":7,"timed_out":false,"total":1,"deleted":0,"batches":1,"version_conflicts":1,"noops":0,"retries":{"bulk":0,"search":0},"throttled_millis":0,"requests_per_second":-1.0,"throttled_until_millis":0,"failures":[{"index":"events","type":"_doc","id":"KJ7SpWsBZnen1jNBRWWM","cause":{"type":"version_conflict_engine_exception","reason":"[KJ7SpWsBZnen1jNBRWWM]: version conflict, required seqNo [1418], primary term [1]. current document has seqNo [1419] and primary term [1]","index_uuid":"2-fSZILVQzuJE8KVmpLFXQ","shard":"0","index":"events"},"status":409}]}')
並具有更好的格式:
{
"took": 7,
"timed_out": false,
"total": 1,
"deleted": 0,
"batches": 1,
"version_conflicts": 1,
"noops": 0,
"retries": {
"bulk": 0,
"search": 0
},
"throttled_millis": 0,
"requests_per_second": -1.0,
"throttled_until_millis": 0,
"failures": [
{
"index": "events",
"type": "_doc",
"id": "KJ7SpWsBZnen1jNBRWWM",
"cause": {
"type": "version_conflict_engine_exception",
"reason": "[KJ7SpWsBZnen1jNBRWWM]: version conflict, required seqNo [1418], primary term [1]. current document has seqNo [1419] and primary term [1]",
"index_uuid": "2-fSZILVQzuJE8KVmpLFXQ",
"shard": "0",
"index": "events"
},
"status": 409
}
]
}
產生錯誤的代碼是對 dsl delete
方法的調用:
connections.create_connection(
hosts=[settings.ELASTICSEARCH_HOST],
timeout=20,
)
search = EventDocument.search()
# The query is made by the django model's id
search.query('match', id=self.id).delete()
這是EventDocument
的定義:
from elasticsearch_dsl import (
Document,
Integer,
)
class EventDocument(Document):
id = Integer()
# other fields
我們現在最大的問題是我們無權訪問服務器,我們通過為錯誤配置的自動電子郵件收到錯誤。 所以我什至不知道如何重現它。
希望能幫到你,謝謝。
由於文檔中的版本沖突,發生此錯誤。 來自 ES 官方文檔
Elasticsearch 是分布式的。 創建、更新或刪除文檔時,必須將文檔的新版本復制到集群中的其他節點。 Elasticsearch 也是異步並發的,這意味着這些復制請求是並行發送的,並且可能會亂序到達目的地。 Elasticsearch 需要一種方法來確保文檔的舊版本永遠不會覆蓋新版本。
在此官方文檔中閱讀有關如何處理 ES 中version conflict http 409
異常的更多信息,其中還解釋了為什么會出現異常以及如何處理它的各種方法,並詳細解釋了概念。
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