bbulkow

21 ms·

151.
by bbulkow 12y ago
+1 on this, big time. As a technical guy who became funded & CEO now CTO, getting a business plan both is, and isn't, rocket science. Ask yourself: what would an investor want to know? They want to know how expensive to develop, ti
152.
by bbulkow 12y ago
I believe my numbers were 4k random access. Admittedly, this was an ages-ago kernel (2.6.18 derivative). mmap as a pattern has issues with concurrency, because you burn threads, and you can't cancel them. The only way out is to try to
153.
by bbulkow 12y ago
CTO, co-founder, initial coder here. Aerospike really is a lot faster than Mongo and Cassandra. It's open source, and you can run whatever benchmarks you'd like yourself. It's about as fast a well-tuned multi-core sharded Red
154.
by bbulkow 12y ago
I'm biased as the CTO and Founder of Aerospike, but we think it's a great database, and I hope you'll consider using it for new projects. It really works. It's been in use at huge scale within advertising networks, and n
155.
by bbulkow 13y ago
The second bullet is what doesn't work. I heard this same line about a year ago, and I created a separate "page". That page is nearly unindexed. People don't follow the page, they follow my other two profiles. When they&
156.
by bbulkow 13y ago
I coded on Plato in the mid 80's ("Tudor" language). I was paid minimum wage (about $3.25 per hour), and had various tasks maintaining courseware. I was brianb@udel What everyone says is true: with the forms of chat and email
157.
by bbulkow 13y ago
I have used it for a few weeks too. Google needs to fix the ordering interface to focus you on stores you already have purchases pending with. If I can save a buck at one store but that causes two-store delivery fees.... oh the headache. I
158.
Coding matters - excel error warps austerity debate(salon.com)
1 points by bbulkow 13y ago|0 comments
159.
by bbulkow 14y ago
Not really. "short stroking" is called "overprovisioning" with SSDs, and you'll see different effects with different drives. The magic number with most consumer SSDs (the mentioned Intel and Samsung drives) do best with about 20% overprovis
160.
by bbulkow 14y ago
Is this because PostgreSQL's file format will become hopelessly confused and unable to restart if flush doesn't work? A lot of applications can lose the last 100ms of writes, especially if its rare because of a k-safe cluster design, as lon
161.
by bbulkow 14y ago
It's hard to predict without SMART features to measure the current wear state. Write amplification from the file system, and from the drive itself if you're not using large block writes, means you can't just calculate - you have to measure.
162.
by bbulkow 15y ago
The real point: 1) if you want to program in "gnu", run u nx, and if you want Windows as your host OS, run virtualization; (yes, you need 8G, yes, you should have an SSD, if you don't, buy a new laptop for $700 and run linux native) 2) if
163.
by bbulkow 15y ago
Disclosure: I wrote a product called Citrusleaf, which also plays in the NoSQL space. I also want a better discussion of NoSQL. It isn't fair to hate on databases without understanding the pressures of operations. I saw a friend's company w
164.
by bbulkow 15y ago
Disclosure: I wrote a product called Citrusleaf, which also plays in the NoSQL space. My focus in starting Citruseaf wasn't features, it was operational dependability. I had worked at companies who had to take their system offline when they
165.
by bbulkow 15y ago
Disclosure: I wrote a product called Citrusleaf, which also plays in the NoSQL space. My focus in starting Citruseaf wasn't features, it was operational dependability. I had worked at companies who had to take their system offline when they
166.
by bbulkow 15y ago
When looking at the question of whether to continue in your masters, it is a fallacy to consider the (non-refundable) tuition you've paid. This is a "sunk cost" ( http://en.wikipedia.org/wiki/Sunk_costs ). The question you should ask your
167.
by bbulkow 15y ago
It took them 40 servers to run 1B aggregations per second? Great --- Citrusleaf recently did 250M aggregations per second with one amazon large. And, oh, we're fully clustered and reliable, so you can snap in new servers with no maintenance
168.
by bbulkow 16y ago
I think the answer is fairly clear. If you remember Digg before it got popular, and Reddit before it got popular, you understand how these sites lose focus when they increase readership. The devistation of Digg, and now the serious problems
169.
by bbulkow 16y ago
Whatever you think of the user interface, please don't use Grooveshark. Their business model is either illegal or immoral. You will get mail from copyright owners telling you cease and desist from accounts that you've closed in the past - G
170.
by bbulkow 16y ago
This avoids allocation and is safe (the cost of two extra compares is low because they'll branch the same way all the time, so you'll get branch prediction power) char *bufp; uint8_t buf[1024]; if (need_sz >= 1024) bufp = ma
171.
by bbulkow 16y ago
The correct way to write this is to not use /1/ in the size of namestr, it's to use a simple []. This tells subsequent programmers that you are using variable length structures. In older compilers, the metaphor was to use '0', but C99 (mayb
172.
by bbulkow 16y ago
Wouldn't this cause severe problems with copywrite and licensing? Just because you have a copy of some library on a machine doesn't mean you have the ability to duplicate it to another machine, let alone archive it for future researchers. I
173.
by bbulkow 16y ago
Management of "karma" in systems like Hacker News is critical to long term success. Watching the community, and the flow articles, in Reddit shows that minor changes in algorithms make a big difference. One further thought: your "karma" in
174.
by bbulkow 16y ago
I hope this was added as a peculiar historical artifact from 1991, not a statement of how to best write code today. These tricks don't work with GCC 4.1+ and i86_64. For example, in the loop section, the good trick now is to make your code
175.
by bbulkow 16y ago
This is a 15 year old paper. Alvy Ray is a great guy, a luminary, love the paper, but at this point it's a historical document. The basic discussion was covered in my college graphics class in 1988 . Anyone working in graphics, fonts, re
176.
by bbulkow 16y ago
That Ars article is 9 months old and there have been no postings in the ars hardware guide section since January. Since then, Intel updated its product line with i3/i5/i7, so I think the poster is right to ask for a different source.