HNHacker News
TopNewBestAskShowJobs

chadr

64 karma · joined January 7, 2008

Co-Founder and CTO of Blue Frog Gaming | YC Summer 07 | http://remesch.com/
submissionscomments
chadr··on Slack Code
I've been working on an open source project along these lines: https://github.com/chadrem/condotto

I'm using it with my small team and overall these types of tools are great for enabling product managers and even operations managers to help prototype, triage, etc all sorts of features/bugs/reports that previously would go directly to the engineers.

chadr··on Ask HN: Anybody else EC2 issues on us-east-1?
Yes
chadr··on Removing Python's GIL: The Gilectomy [video]
Semi related to this, is it possible to run multiple CPython interpreters in the same process, but with restrictions on shared memory? The idea being that each interpreter would still have its own GIL, each interpreter would have restrictions on shared memory (like sharing immutable structures only through message passing). Note, I'm not a big Python user so if this already exists, has been discussed, etc I am not aware.
chadr··on If Your Business Uses Rails 2.3 You Need To Move To A Supported Option ASAP
You've sold me on it. It is well worth the money considering the time/effort it saves.
chadr··on If Your Business Uses Rails 2.3 You Need To Move To A Supported Option ASAP
How long do they plan on supporting this fork? Hopefully for multiple years? I didn't see it mentioned on the site.
chadr··on A Linux dev who helped thousands needs help to fight cancer
Newer blog post about the surgery:

http://linuxlock.blogspot.it/2012/08/it-started-with-hopeles...

chadr··on Curiosity landing is in a week
from Wikipedia... "The landing sequence alone requires six vehicle configurations, 76 pyrotechnic devices, the largest supersonic parachute ever built, and more than 500,000 lines of code."
chadr··on Android Market Tops 400,000 Applications
I can't give you an exact answer, but I can tell you this... out of the 224,133 apps I track in the android market, here is the breakdown of how many installs they have as of this morning: http://dl.dropbox.com/u/131/installs.csv
chadr··on Show HN: New iOS game by Blue Frog Gaming (YC Summer 07)
Our artists get to choose the technique that works best for them. A lot of it is done using the computer, but some of it is done by hand and scanned. The coolest bit of art tech is definitely the Wacom Cintiq. It lets the artists draw on top of an LCD panel.
chadr··on Show HN: New iOS game by Blue Frog Gaming (YC Summer 07)
No official Android plans as of yet, but it is something we are thinking about. Also thanks for the compliment on the art. We do all the art in-house and I passed your message on to the team.
chadr··on System Admins R.I.P.?
It definitely sounds like you wear multiple hats at your job. Shoot me an email... I'm interested in hearing more about what you do.
chadr··on System Admins R.I.P.?
I think you're missing the point. Many developers don't know how to develop systems that will work well in production. At the same time, many sysadmins know only about the OS, hardware, and network. Great sysadmins are learning to combine the two skill sets. It's clearly a hybrid role and not a case of one replacing the other.
chadr··on System Admins R.I.P.?
High quality sysadmins are evolving into what is called the devops role. Trouble shooting, scaling, architecting, and automating production systems are just a few areas where devops people shine. The cloud just provides them another set of tools to work with. It also frees them from dealing with the annoying/repetitive tasks (spinning a CD to install the OS, plugging in the network cables, etc) and allows them to focus on improving the application. A number of devops people I know can easily transition into developer roles when required. Summary: a great sysadmin should know how to code and does so in order to improve the app.
chadr··on Nginx, the little Russian web server taking on the giants
Do you routinely edit the source code of your web server? Just curious since I've never needed to do that.
chadr··on Nginx, the little Russian web server taking on the giants
Why don't you trust Passenger? I'm severing about 6 million page views/day with it and it has been extremely reliable and easy to work with.
chadr··on Why MongoDB thinks single server durability is overvalued
Can you tell me your hardware specs and CPU usage? Just curious since I'm considering mongo for some of our future games.
chadr··on Ask HN: What do you use to monitor your websites?
Pingdom for site uptime & paging, munin for capacity planning and performance monitoring, and monit for process monitoring.
chadr··on Nice Find: An asynchronous find in project plugin for TextMate
It appears to follow symlinks if I uncheck 'Use git-grep'. Unfortunately, if it finds a file (by following a symlink) it seems to always open the file in a new window instead of a tab.
chadr··on Nice Find: An asynchronous find in project plugin for TextMate
Any chance nice_find can have an option for following symlinks?
chadr··on GitHub's Unicorn Setup
Have you tried contacting the Passenger developers about this? I won't be surprised if they come out with a fix for this.
chadr··on GitHub's Unicorn Setup
It seems to me like the Passenger guys could easily add an option so that on a "touch tmp/restart.txt" a set of new worker processes is started before the old ones are killed off. I imagine this would make this slowness a thing of the past. For the record, my apps experiencing this momentary queueing and slowness on restart (5 seconds max).
chadr··on LightCloud: Distributed key-value database built on Tokyo Tyrant
How horizontally have you scaled your systems in production? The homepage mentions 2 servers. I'm wondering if you are using it in production with more than 2.
chadr··on Tokyo Cabinet DB: Beyond Key-Value Store
I'm currently using Tokyo Tyrant with Rails and the Memcached client (in production). It works great for my needs though I don't need to story binary data. Overall, TT has been extremely fast and stable. The dual master replication is a nice bonus.
chadr··on Ruby 1.9 Internals: Ordered Hash
Having an ordered hash is ruby is very useful. I've been using ActiveSupport::OrderedHash with ruby 1.8.7.
chadr··on Ask HN: Archive a MySQL database
One last thing... mysqldump has the following option:

-w, --where=name Dump only selected records; QUOTES mandatory!

You can probably use this to backup just the rows you are interested in and then delete them once you are sure the are properly archived.

chadr··on Ask HN: Archive a MySQL database
Here is what I do with mysql 5.1 and my innodb tables on Linux...

mysqldump --single-transaction --skip-lock-tables --all-databases | gzip > "/some/directory/backup-`hostname`-hourly-`date +%H`.sql.gz"

These two options are important: --single-transaction and --skip-lock-tables. At least in mysql 5.1, mysqldump defaults to locking each table before dumping it (not good if you have a busy app and large db).

I run the above in a cron once per hour. It gives me 24 hours worth of hourly backups. I then use rsnapshot (http://www.rsnapshot.org/) to store daily, weekly, and monthly backups offsite.

I also run my backups with a low priority (nice -n 19) so that my application gets higher priority than the backup script.

chadr··on MemcacheDB: A distributed key-value storage system designed for persistence
Do you have any more info on the corruption? I have found bdb to be very reliable. I used it as the backend storage engine for Sun's LDAP server product.
chadr··on Alternative Memcache Usage: A Highly Scalable, Highly Available, In-Memory Shard Index
Perhaps memcachedb would be better for this scenario (vs regular memcached) since it is persistent. It's memcached with berkley db.
chadr··on Ask HN: What is your startup's backup policy?
Which tool(s) do you recommend that do this?
chadr··on Dear Joyent
If you are starting out with linode you should be aware of the backup policy. Basically you have to roll your own. Let me know if you have any linode questions. I've been using them for about a year now. I think backups are the only feature linode is missing (compared to slicehost).
Page 1 of 2Next →