https://github.com/vkuznet/concurrencytests

Comparison of CherryPy, Flaks, Flask+uWSGI and Go servers for CMS web applications
https://github.com/vkuznet/concurrencytests

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Comparison of CherryPy, Flaks, Flask+uWSGI and Go servers for CMS web applications

• Host: GitHub
• URL: https://github.com/vkuznet/concurrencytests
• Owner: vkuznet
• Created: 2018-01-24T14:56:49.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2018-01-24T15:02:54.000Z (almost 7 years ago)
• Last Synced: 2024-10-30T06:27:34.547Z (3 months ago)
• Language: Python
• Size: 1.92 MB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
### Test setup and environment

We setup/run appropriate server (CherryPy, Flask, etc.) on cmsweb testbed

back-end nodes (vocms0131 and vocms0132):

- use run_fpy.sh script to run Flask like server

- use run_dbs2go.sh script to run dbs2go server

- run cpy_server.py to run CherryPy HTTP server

- run fpy_server.py to run Flask HTTP server

The HTTP and HTTPs servers were run on both back-end nodes. We also setup

approrpriate frontend rules (see section below) to grant access to our

back-ends via apache front-end nodes.

All tests were performed from external node (lxplus) by running appropriate

test suit using [hey](https://github.com/vkuznet/hey) tool. It was forked from

[this repository](https://github.com/rakyll/hey) and modified to support the

following features:

- parse X509 user based and proxy certificates

- add ability to read list of URLs from external file (used in random tests)

We performed the following set of tests:

- send 1000 requests with 100 concurrent clients (1k/100 notation)

- send 1000 requests with 200 concurrent clients (1k/200 notation)

- send 5000 requests with 200 concurrent clients (5k/200 notation)

- send 5000 requests with 300 concurrent clients (5k/300 notation)

We also used the following queries:

- static content, i.e. Hello World

- static DBS query, e.g. /Zee*/*/USER

- "random" DBS queries generated and stored in external file, the file

contains alternation of the following type of queries:

  - `datasets?dataset=/a/b/c`

  - `blocks?dataset=/a/b/c`

  - `files?dataset=/a/b/c`

Please see [Tests](https://github.com/vkuznet/ConcurrencyTests/Tests.md) for

full details.

### cmsweb frontend rules

##### frontend nossl rule

```

RewriteRule ^(/test(/.*)?)$ https://%{SERVER_NAME}${escape:$1}%{env:CMS_QUERY} [R=301,NE,L]

```

##### frontend ssl rule

```

RewriteRule ^(/test(/.*)?)$ /auth/verify${escape:$1} [QSA,PT,E=AUTH_SPEC:cert]

RewriteRule ^/auth/complete(/test(/.*)?)$ http://%{ENV:BACKEND}:8800${escape:$1} [QSA,P,L,NE]

```

##### authentication rule to /data/srv/current/config/frontend/backends-preprod.txt

```

^/auth/complete/test(?:/|$) vocms0131.cern.ch|vocms0132.cern.ch

```

##### restart httpd to reload applied rules

```

sudo service httpd reload

```