solid-state-drive Questions
3
On Digitalocean I came up with this message when I want to add swap:
Although swap is generally recommended for systems utilizing traditional spinning hard drives, using swap with SSDs can cause...
Preview asked 10/8, 2016 at 12:3
3
Solved
I'm worried that I see through the disk LED and iotop quite some write activity every couple of seconds, mostly coming from the chromium's processes, on a completely idle system.
It doesn't make a...
Outspread asked 28/12, 2016 at 14:16
1
Solved
I made a tmpfs filesystem in my home directory on Ubuntu using this command:
$ mount -t tmpfs -o size=1G,nr_inodes=10k,mode=0777 tmpfs space
$ df -h space .
File system Size Used Avail. Avail% Moun...
Agglutinogen asked 25/9, 2020 at 14:42
1
Solved
As I understand it General Purpose SSD's on an RDS instance have an IOPS limit based on the disk size until you get to 1TB when you can infinitely burst at 3000 IOPS.
Once you have a 1TB disk you...
Induration asked 20/11, 2019 at 13:10
4
Solved
Is there a reliable, quick, deterministic way (i.e. not a benchmark) to check whether the system drive Mac OS X is on is a Solid State Drive?
Is there any other indicator how well disk handles para...
Nonpareil asked 17/1, 2010 at 17:41
6
Solved
I would like to change the performance and behaviour of my C++ application, according to whether the system drive is an SSD or not.
Example:
With SSD, I want my gameserver application to load eac...
Hoarse asked 29/4, 2014 at 11:15
4
We are working on a SSD-backed key-value solution with the following properties:
Throughput: 10000 TPS; 50/50 puts/gets;
Latency: 1ms average, 99.9th percentile 10ms
Data volume: ~1 billion val...
Reconcilable asked 14/5, 2012 at 5:13
9
Solved
I'm getting ready to release a tool that is only effective with regular hard drives, not SSD (solid state drive). In fact, it shouldn't be used with SSD's because it will result in a lot of read/wr...
Conscientious asked 25/5, 2009 at 21:59
1
Solved
I just ordered a new server with a 1TB Samsung SSD. Installed Ubuntu 14.04.5 LTS.
After booting into the newly installed system, I see this in my dmesg and /var/lib/syslog. Output of grep error /v...
Drucilla asked 13/5, 2018 at 2:23
3
Solved
I have an application which receives several hundred strings per second, about fifty bytes long, over the network. I want to cache these to an SSD for further processing. Is it safe for the SSD if ...
Hopefully asked 12/2, 2014 at 17:43
1
Solved
I want to know what's the optimal way to log to an SSD. Think of something like a database log, where you're writing append-only, but you also have to fsync() every transaction or few transactions ...
Gibrian asked 23/4, 2016 at 20:22
5
Solved
I want to try to speed up my compile-time of our C++ projects. They have about 3M lines of code.
Of course, I don't need to always compile every project, but sometimes there are lot of source file...
Entirety asked 4/3, 2013 at 10:26
4
I have a very strange situation happening with some of my tests regarding paralell I/O. Here is the situation.. I have multiple threads opening a file handler to the same file and reading from mult...
Adeleadelheid asked 16/7, 2013 at 12:14
1
Solved
I have just upgraded to a new Intel Core i7 (4th gen) PC featuring a 512gb SSD, about 5TB of mechanical storage, and 16GB of DDR3 ram. I am now planning to set up the Android SDK and Android studio...
Brocket asked 26/5, 2015 at 1:24
1
Solved
SSDs are commonplace now; Amazon EBS is backed by SSDs, and hence most of the cloud databases now also run on SSDs (Heroku PostgreSQL, etc.). Databases and related architectures were traditionally ...
Timothy asked 29/10, 2014 at 21:12
2
Solved
What I Want
I want to simulate the performance of a normal hard drive on my SSD based development machine.
Background
I'm developing a Mac application on a Macbook with an SSD. It's gloriously f...
Nutmeg asked 18/5, 2011 at 13:23
4
Solved
The scenario is about 1 billion records. Each record has 1kb data size and is store in SSD.
Which kv store can provide best random read performance? It need to reduce disk access to only 1 time per...
Viator asked 13/9, 2014 at 8:35
2
Solved
I'm working on a OS portable program that would benefit from detecting if a physical storage device is a SSD or a plain old spin-disk.
On Linux there is:
/sys/block/sdX/queue/rotational
which r...
Lynd asked 5/5, 2014 at 11:52
1
Solved
In the following EC2 instance types which have SSD drives
r3.2xlarge
r3.4xlarge
i2.xlarge
When I login through SSH, I am unable to see the SSD drives. I was trying "df -h".
I have tried
reb...
Sextuplet asked 15/4, 2014 at 19:14
1
Solved
Good post here says speed better with SSD drive for Eclipse work.
But my slow part is mostly for maven builds. I have project with 1600+ classes. It take 2-3 min for a clean build with maven. I wo...
Eliath asked 13/6, 2013 at 15:46
1
What I am sure of :
I am working with Java/Eclipse on Linux and trying to store a very large number of key/value pairs of 16/32 bytes respectively on disk. Keys are fully random, generated with S...
Secondguess asked 23/10, 2012 at 3:59
5
Solved
Does anyone have any experience using r/python with data stored in Solid State Drives. If you are doing mostly reads, in theory this should significantly improve the load times of large datasets. I...
Lenticel asked 24/11, 2010 at 2:31
6
I am wondering how the oncoming SSD technology affects (mosty system) programming. Tons of questions arise, but here are some most obvious ones:
Can the speed of disk access be considered anywher...
Poussin asked 4/7, 2011 at 12:7
3
Solved
This morning I ran my tests and there are 2 failures. But I haven't changed any code for a few days and all tests were passing.
According to Git, there are no changes (except for coverage.data, w...
Crippling asked 31/10, 2011 at 15:44
1
Solved
What is the difference between sequential write and random write in case of :-
1)Disk based systems
2)SSD [Flash Device ] based systems
When the application writes something and the information/da...
Monogamy asked 20/1, 2010 at 10:23
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