问题描述
我是 elasticsearch 的初学者,我想删除大量与特定查询匹配的文档。为此,我正在使用 DeleteByQueryRequest。我试过下面的代码。
String fileName="output2.log";
RestHighLevelClient client = new RestHighLevelClient(
RestClient.builder(new HttpHost("localhost",9200,"http")));
DeleteByQueryRequest deleteRequest = new DeleteByQueryRequest("_all");
deleteRequest.setQuery(QueryBuilders.termQuery("fileName.keyword",fileName));
deleteRequest.setTimeout(TimeValue.timeValueMinutes(10));
//deleteRequest.setRefresh(true);
BulkByScrollResponse bulkResponse = client.deleteByQuery(deleteRequest,RequestOptions.DEFAULT);
client.close();
System.out.println(bulkResponse.isTimedOut());
System.out.print("Deletion done");
java.net.socketTimeoutException: 30,000 milliseconds timeout on connection http-outgoing-0 [ACTIVE]
可以做些什么来摆脱这个异常? 提前致谢。
解决方法
经过一些研究,我发现 RestHighLevelClient 的默认套接字超时为 30000 毫秒。我使用下面的代码来延长套接字超时持续时间。
RestHighLevelClient client = new RestHighLevelClient((RestClient.builder(new
HttpHost(localhost,9200,"http"))).setRequestConfigCallback(requestConfigBuilder ->
requestConfigBuilder
.setConnectTimeout(10000)
.setSocketTimeout(60000)
.setConnectionRequestTimeout(0)
));
现在您可以在 setSocketTimout() 方法中增加时间限制。