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Friday, 30 September 2022

Thursday, 29 September 2022

New top story on Hacker News: Ask HN: Has the Apple Silicon excessive disk read/write issue been fixed?

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Ask HN: Has the Apple Silicon excessive disk read/write issue been fixed?
10 by cool_hw | 0 comments on Hacker News.
This was a discussion when M1 macbooks were launched, and Apple supposedly addressed it in an OS update (macOS 11.4). But I'm seeing really high read/write numbers. I'm aware that SSD lifespans are long and TBW spec is pretty generous. Still, compared to my linux machines, this seems extraordinarily high. On my newish M1 MBA, with the latest updates, with barely any use, 98%+ sleep, I'm seeing about 3 to 5 GB reads per day and 2 to 4 GB writes per day. Latest report from smartctl. ---------------------------------------------------- === START OF SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED SMART/Health Information (NVMe Log 0x02) Critical Warning: 0x00 Temperature: 27 Celsius Available Spare: 100% Available Spare Threshold: 99% Percentage Used: 0% Data Units Read: 716,195 [366 GB] Data Units Written: 616,232 [315 GB] Host Read Commands: 9,108,273 Host Write Commands: 6,947,397 Controller Busy Time: 0 Power Cycles: 95 Power On Hours: 5 Unsafe Shutdowns: 11 Media and Data Integrity Errors: 0 Error Information Log Entries: 0 ---------------------------------------------------- Is this normal?

Wednesday, 28 September 2022

Tuesday, 27 September 2022

Monday, 26 September 2022

Sunday, 25 September 2022

Saturday, 24 September 2022

New top story on Hacker News: Ask HN: Books on designing disk-optimized data structures?

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Ask HN: Books on designing disk-optimized data structures?
9 by memset | 9 comments on Hacker News.
Are there canonical books, resources, or readings for how to design data structures that will be primarily read and written to a disk rather than memory? Most of what I learned in school about big-O assumes that, for example, random access is O(1). However, random disk reads are really slow due to spacial locality. People who write databases obviously have solutions to this problem - for example, DuckDB is based on a number of papers that have come out over the years on this topic. If I wanted to design, ie, a tree structure which was intended to be read/written from a disk, are there general principles or patterns the have been developed to take advantage of locality of reference, minimize random reads, or decrease the overhead of writes, that I could familiarize myself with? What is the CLRS for disk?

Friday, 23 September 2022

New top story on Hacker News: Ask HN: I love to be alone. But this loneliness is killing me

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Ask HN: I love to be alone. But this loneliness is killing me
77 by endofreach | 58 comments on Hacker News.
It‘s not a phase. I am turning 30 soon. I have had this feeling ever since i can remember. I know, often times i am subconsciously aligning my actions to end up alone. Sometimes it seems like i do that to create something like a melancholic void, that i must feel, because otherwise, i would feel empty… I can‘t summarize it better right now. I have learned the portuguese word „saudade“. That feeling, i believe i know. It seems somehow related, to what I am trying to describe. I truly can not handle it anymore… How do you deal with it? Also I have recently read about „intellectual loneliness“ on here, which i resonated deeply with. It is not what i am describing, but rather a part of it. But the totality is too much for me. I don‘t even know what to expect from posting here. I just have nowhere else to turn to…

Thursday, 22 September 2022

Wednesday, 21 September 2022

Tuesday, 20 September 2022

Monday, 19 September 2022

Sunday, 18 September 2022

Saturday, 17 September 2022

Friday, 16 September 2022

Thursday, 15 September 2022

Wednesday, 14 September 2022

Tuesday, 13 September 2022

Monday, 12 September 2022

Sunday, 11 September 2022

Saturday, 10 September 2022

Friday, 9 September 2022

Thursday, 8 September 2022

Wednesday, 7 September 2022

Tuesday, 6 September 2022

Monday, 5 September 2022

Sunday, 4 September 2022

Saturday, 3 September 2022

Friday, 2 September 2022

New top story on Hacker News: Hacker Stations – Tech workspace setups to get inspiration from

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Hacker Stations – Tech workspace setups to get inspiration from
19 by poushkar | 8 comments on Hacker News.
I really like the "workspace porn" and been frequenting various blogs and communities with workspace setups. It's inspiring and interesting to see how other people organize their workspaces and achieve focus and comfort. And while it's also interesting to see random setups from people with different backgrounds, I especially like to see setups from developers and tech professionals like myself. That's why I decided to start the blog dedicated solely to such setups. I hope some HN visitors will appreciate it, too.

Thursday, 1 September 2022

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