Hi Nitesh, Thanks for your reply, got it, my server has 128GB RAM and 1Gbps bandwidth in data center. In addition, I noticed that the fabric performance will drop drastically if my ip list over 5000 lines, fabric output was very slow at that moment, how to optimize it?
Best Regards, Leon from smart phone From: Nitesh Nanotkar [mailto:[email protected]] Time: Dec 4th, 2016 2:31 P.M. To: Lee, Leon [mailto:[email protected]] Cc: [email protected]; [email protected] Subject: Re: [Fab-user] Hi there, two questions from newcomer. Hi, Pool size depends on your central server bandwidth and ram usable. You can specify n no. of ips in list. In my scenario I use pool size to be 300 when I just want to connect to servers and transfer files in kbs. I use 50 pool size when I have to transfer installation scripts which is of 950MB. My server's upload speed is 320Mbps and has RAM of 256GB. Hope you understood on which factors pool size depends now. Thanks! On 4 Dec 2016 11:14 am, "李鸥" <[email protected]<mailto:[email protected]>> wrote: If I can re-express that: what is the recommended value of pool_size? – Leon From: Lee, Leon Time: Dec 4th, 2016 10:45 A.M. To: [email protected]<mailto:[email protected]>; [email protected]<mailto:[email protected]> Cc: Lee, Leon [mailto:[email protected]] Subject: Hi there, two questions from newcomer. Dear Jeff and All, This is Leon from Beijing, I already installed fabric for my Linux server on Sep 2nd, 2016 in order to manage over ten thousand infrastructure devices (such as the server, storage and switch….etc) by SSH protocol. Just two questions at this time: 1.) how many “@parallel(pool_size)” should I specify in fabfile.py and what is a proper value for this parameter? 2.) what is the maximum number of rows in ip address list? The following is my environment information, just waiting for your suggestions. Thanks in advance. # ulimit -n 65535 # pip show python Name: Python Version: 2.7.12 Summary: A high-level object-oriented programming language Home-page: http://www.python.org/2.7 Author: Guido van Rossum and the Python community Author-email: [email protected]<mailto:[email protected]> License: PSF license Location: /usr/local/python27/lib/python2.7/lib-dynload Requires: # pip show fabric Name: Fabric Version: 1.12.0 Summary: Fabric is a simple, Pythonic tool for remote execution and deployment. Home-page: http://fabfile.org Author: Jeff Forcier Author-email: [email protected]<mailto:[email protected]> License: UNKNOWN Location: /usr/local/python27/lib/python2.7/site-packages Requires: paramiko # pip show paramiko Name: paramiko Version: 1.17.2 Summary: SSH2 protocol library Home-page: https://github.com/paramiko/paramiko/ Author: Jeff Forcier Author-email: [email protected]<mailto:[email protected]> License: LGPL Location: /usr/local/python27/lib/python2.7/site-packages Requires: ecdsa, pycrypto Best Regards, Leon Lee
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