---
id: "claim:metadata-retrieval-from-sequence-databases-with-ffq-2023-01-05-bioinformatics:ae204ecc36b7436bd59f"
kind: "claim"
title: "ffq adds delays between HTTP requests to prevent a perceived denial-of-service attack."
description: ""
url: "https://sina.bio/claim/ffq-adds-delays-between-http-requests-to-prevent-a-perceived-denial-of-9e691c73"
---

# ffq adds delays between HTTP requests to prevent a perceived denial-of-service attack.

## Content

ffq adds delays between HTTP requests to prevent a perceived denial-of-service attack.

## Metadata

```json
{
  "claim_position": 57,
  "source_publication_id": "version:metadata-retrieval-from-sequence-databases-with-ffq--2023-01-05-bioinformatics",
  "source_work_id": "work:metadata-retrieval-from-sequence-databases-with-ffq"
}
```

## Connections (2)

### Metadata retrieval from sequence databases with ffq

- ID: `version:metadata-retrieval-from-sequence-databases-with-ffq--2023-01-05-bioinformatics`
- Kind: `publication`
- Direction: `incoming`
- URL: <https://sina.bio/publication/metadata-retrieval-from-sequence-databases-with-ffq-0bc15c7f>

This publication contains this grounded claim.

> This rate includes short and deliberate delays we have added between HTTP requests to prevent a per- ceived Denial-of-Service.

Source: 2023-01-05-bioinformatics.pdf — <https://sina.bio/source/2023-01-05-bioinformatics-pdf>

### ffq generally retrieves metadata at about 10 seconds per sample, including deliberate request delays that avoid triggeri

- ID: `result:metadata-retrieval-from-sequence-databases-with-ffq-2023-01-05-bioinformatics:7f1d3d151bf1bf28992c`
- Kind: `result`
- Direction: `incoming`
- URL: <https://sina.bio/result/ffq-generally-retrieves-metadata-at-about-10-seconds-per-sample-includi-7fb2ea7b>

This claim supports this result.