If you get this error you may assume it is a lack of memory, which it could be, but more likely it is the default memory size of 256M. The file in this example was about 350M big which of course exceeds the virtual memory limits. This makes sense in smaller mail servers but if you have large amounts of users or e-mails this limit should be bumped. Check your default size limit: doveconf -n | grep -E 'vsz_limit|service imap' default_vsz_limi........

vm.swappiness = 1 vm.vfs_cache_pressure = 800 vm.dirty_ratio = 5 vm.dirty_background_ratio = 2 vm.min_free_kbytes = 65536 # Reserve 64MB for emergencies This is mainly useful for smaller systems/VMs/dev test/Raspberry Pi etc.. but even servers with huge amounts of RAM can start putting a ton of things into buffers and cache especially if you open large files constantly.........

This is usually solved by two variables alone: max_input_vars=5000 memory_limit=256M Now you should be able to have unlimited amounts of custom menus in Wordpress.........

There are all kinds of threads and links on the internet, and this seems to be a contentious issue butI don't know why. 95th percentile is either a good deal for some or a big rip off for others, Ijust said it there :) But the reality is that for MOST people who transfer low amounts of data but burst to higher speeds such as 40mbit+ even for short periods of time, then you'll pay a lot of money to do that. Basically 95th percentile is an-old archaic method........

I've tried to find a good sensible solution to cluster with and each technology has it's pros and cons and there is no perfect solution and I've found a lot of "exaggerations" in the applications, benefits and performance of these different filesystems. DRBD I first started off with DRBD and Ihave to say it does live up to the hype, is quite reliable (although it can be annoying to match up the kernel module and user applications since they must match and whe........