The cache tag has no wiki summary.
1
vote
2answers
73 views
TLB cache flusing when a page is swapped out
I recently heard that Linux simply flushes the TLB cache when the corresponding data in that physical address is swapped out, resulting in underutilization of the TLB. I don't know whether all OSes do ...
7
votes
1answer
91 views
Linux cache evictions
Looking at how the VFS cache on my Linux machine behaves, I can see that even when effectively idle (crond and most other daemons stopped, interfaces down) the amount of free memory gradually ...
3
votes
1answer
1k views
What options are there for tuning Linux file system caching?
What various types of caching are possible in the ext3 file system and how can their values be changed using system calls or other methods? I don't want to use commands or tools.
3
votes
0answers
221 views
iptables routing marked packets from router to PC and routing them back to router
I'm trying to do deep packet inspection on HTTP packets. The purpose of this is to collect HTTP payload data and then create some proxy/cache-independent reports. Following this, the idea is to ...
2
votes
0answers
403 views
Linux kernel slab usage growing on embedded system
I'm in the process of QA/debugging a project on a custom embedded linux system. The problem we're VERY tight on memory, and even a couple megs can cause issues with our software.
What I'm seeing ...
1
vote
0answers
670 views
How to set up ZFS with ZIL and L2ARC SSD?
I have been considering bcache and flashcache.
However my friend suggested me something called ZFS. In fact it says that formating disk with ZFS can actually do the exact same thing without kernel ...
0
votes
0answers
93 views
Real copy to Android device
When i copy files to the Android phone, they are copied to some cache, but they aren't written. I don't like it, because i don't know what is done.
I've tried these methods:
copying via thunar file ...
