Python in-memory zip library
Is there a Python library that allows manipulation of zip archives in memory, without having to use actual disk files?
memory
more efficient way to calculate distance in numpy?
i have a question on how to calculate distances in numpy as fast as it can,
SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk?
Why is :memory: in sqlite so slow? I’ve been trying to see if there are any performance improvements gained by using in-memory sqlite vs. disk based sqlite. Basically I’d like to trade startup time and memory to get extremely rapid queries which do not hit disk during the course of the application. However, the following … Read more
Tracking *maximum* memory usage by a Python function
I want to find out what the maximum amount of RAM allocated during the call to a function is (in Python). There are other questions on SO related to tracking RAM usage:
Extracting a zipfile to memory?
How do I extract a zip to memory?
Actual memory usage of a process
The following are the memory usage of mysql and apache respectively on my server. As per the output of pmap say, mysql is using about 379M and apache is using 277M.
What do the “buff/cache” and “avail mem” fields in top mean?
Within the output of top, there are two fields, marked “buff/cache” and “avail Mem” in the memory and swap usage lines:
Why does swappiness not work?
We have a RHEL 7 machine, with only 2G of available RAM:
Will Linux start killing my processes without asking me if memory gets short?
I was running a shell script with commands to run several memory-intensive programs (2-5 GB) back-to-back. When I went back to check on the progress of my script I was surprised to discover that some of my processes were Killed, as my terminal reported to me. Several programs had already successively completed before the programs that were later Killed started, but all the programs afterwards failed in a segmentation fault (which may or may not have been due to a bug in my code, keep reading).
How to re-load all running applications from swap space into RAM?
If my desktop run out of memory and swaps a lot then I free or kill the application wasting my RAM. But, after that, all my desktop/applications have been swapped and are horribly slow, do you know a way to “unswap” (reload from swap space into RAM) my desktop/applications?