What memory size per apache process is ridiculous?
(closetnoc, yes I come with interesting and maybe ridiculous questions, but…) I have a question. I’m trying to make my server run as wonderful as possible and I’m in the back-end. Ever since I...
View ArticleClik here to view.
Beachball of death, login screen and kernel_task issues
I have an issue with a 2 week old MBP 13 (early 2015). Here is 3 things I’m worrying about: Beachball of death. It is appeared 2 or 3 times (once when Chrome and Atom were open and once after 10...
View ArticleMemory usage of MongoDB
I’ve got Django app with mongoengine, which executes some aggregation-queries often enough. The main problem is that mongod takes all the RAM and then crashes, so no LRU working, mongod just trying to...
View ArticleIs it possible, when using LPIM, for one database to allocate the majority of...
Windows Server 2012 R2 SQL Server 2012 Enterprise (maximum server memory: 200,000MB) 224GB memory LPIM enabled physical_memory_in_use_kb 204703788 large_page_allocations_kb 1128448...
View ArticleClik here to view.
How can I protect my home/office computer against row hammer?
Row hammer seems to affect ECC memory less, but ECC is still not immune. I have heard of software mitigations like ANVIL, but that doesn’t seem to be 100% row-hammer-proof either. What software or...
View ArticleShould I be using IDisposable here, to properly manage memory?
Background I have an object that represents a test procedure that I need to run on a product. This object may be used multiple times during run-time, depending on how many times the user elects to run...
View ArticleBuffer Cache Size when Page Life Expectancy Drops
I’m troubleshooting an issue with one of our SharePoint databases, essentially huge drops in PLE which I think are caused by increased I/O activity (I see increased reads, writes and lazy writes at the...
View ArticleClik here to view.
How do SRAM bit line “gates” work?
I’m currently learning about the operation of 6 transistor static random access memory cells and I’ve hit a wall in understanding exactly how the read/write operations work. More specifically I don’t...
View ArticleRAM usage unusually high, but CPU usage relatively low
I’ve created a relatively simple game using libgdx, but the RAM usage when I start up the game on my Android device is roughly 600-700 mb, but the CPU usage is only about ~0.05%. I’ve downloaded a game...
View ArticleWhat is the future of exploitations? [closed]
With the advent of “Safe” languages like Rust, the prevalence of Software Correctness, and improved type checking in existing systems, memory based exploits are very hard if not possible at all, to...
View Article
