Unable to index a file (Word document) greater than 45 MB

Elastic Stack Elasticsearch
1

We are trying to index a file (word document) which is > 45 MB . It is failing throwing an exception as below:
Maximum timeout reached while retrying request. Call: Status code unknown from: PUT /test_index6/_doc/16601?pipeline=Attachment

What is the maximum file size recommendation and how do we increase the size limit to handle large file indexing?

2

There are some limits like no more than 100mb for a single HTTP request.
45mb of binary data can become much bigger when you BASE64 encode it.

So be careful with that.

That's one of the reason I prefer to extract the text and metadata before sending it to elasticsearch. That's what FSCrawler project does basically.

Disclaimer: I'm the author of FSCrawler.

3

Thanks David.

As per this link from elastic :General recommendations | Elasticsearch Guide [7.12] | Elastic

we added http.max_content_length set to 350 mb in the yml file but no luck.

It says custom limit is 2 GB. Am I getting it wrong?

4

What are Elasticsearch logs and the full trace of the error?

5

Error Message : Exception of type 'System.OutOfMemoryException' was thrown.
Stack Trace:" at Elasticsearch.Net.Transport1.Request[TResponse](HttpMethod method, String path, PostData data, IRequestParameters requestParameters) in E:\Projects\Elastic\elasticsearch-net-copy\src\Elasticsearch.Net\Transport\Transport.cs:line 95 at Elasticsearch.Net.ElasticLowLevelClient.DoRequest[TResponse](HttpMethod method, String path, PostData data, IRequestParameters requestParameters) in E:\Projects\Elastic\elasticsearch-net-copy\src\Elasticsearch.Net\ElasticLowLevelClient.cs:line 70 at Nest.ElasticClient.DoRequest[TRequest,TResponse](TRequest p, IRequestParameters parameters, Action1 forceConfiguration) in E:\Projects\Elastic\elasticsearch-net-copy\src\Nest\ElasticClient.cs:line 133 at Nest.ElasticClient.Index[TDocument](IIndexRequest1 request) in E:\Projects\Elastic\elasticsearch-net-copy\src\Nest\ElasticClient.NoNamespace.cs:line 672 at Nest.ElasticClient.Index[TDocument](TDocument document, Func2 selector) in E:\Projects\Elastic\elasticsearch-net-copy\src\Nest\ElasticClient.NoNamespace.cs:line 658 "

Error Message : Maximum timeout reached while retrying request. Call: Status code unknown from: PUT /consult_index6/_doc/16601?pipeline=Attachment
No stack trace on elastic side for this.

We increased the http_max_content_length to 350 mb, but we still the issue with that. Also, when we check elasticsearch.log within the server, don't see much details.

Hope this would help.

6

Could it be a client side error?

7

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