Weird PIE-related linker errors on OS X

Posted by user on 20 Nov 2015

Weird error - Recently, I have encountered a really strange linker error after a ridiculously small change in the code. Look at the error message and find the reason in 5 seconds without looking further in the text and I owe you a beer ;).

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Tags: linker, OS X, Uncategorized, visibility

Finding and fixing leaks in our nodejs addon

Posted by user on 02 Nov 2015

nodejs is a great platform reaching a certain degree of maturity. We generally have a lazy approach toward API support with quasardb: if no one is asking for it, don't implement it.

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Tags: addon, cpp, nodejs, quasardb, Uncategorized

Building a database

Posted by user on 05 Oct 2015

It is with great pleasure and pride we announce the fifth beta of our quasardb 2.0 release. Things are getting exciting as we are approaching the final release!

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Tags: history, nosql, quasardb, release, Uncategorized

Automatically mounting instance stores on an AWS AMI

Posted by user on 13 Aug 2015

On Amazon's EC2, using EBS as the backend storage for your application has been the de-facto standard. Using the local storage of an EC2 container is risky: data loss occurs when a container is stopped and it is not replicated by default. As such, people should default to using EBS, which is Amazon's version of a SAN.

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Tags: administration, amazon, aws, quasardb, Uncategorized

5 awesome C++ libraries we use

Posted by user on 20 Apr 2015

This is an opinionated post about five libraries we use in the production code of quasardb.

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Tags: Uncategorized

SFINAE Hell: detecting template methods

Posted by user on 12 Apr 2015

One of the cool thing about C++ is all these checks you can do at compile time. With compile time checks you can not only write safer code, but also faster code for the simple reason that alls the checks you do at compile time will not have to be done at runtime.

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Tags: Uncategorized

Chaotic testing

Posted by user on 22 Mar 2015

The stabilization algorithm - quasardb is a distributed, peer-to-peer database based on the Chord Algorithm. It is actually much more than that, but for the purpose of this post we will focus on the Chord algorithm and one fundamental process: stabilization.

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Tags: quasardb, testing, Uncategorized

quasardb on Microsoft Azure

Posted by user on 06 Feb 2015

Getting your hands on quasardb has never been that easy. With just a few mouse clicks you can deploy your own quasardb server in Microsoft Azure.

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Tags: azure, quasardb, Uncategorized

Boost.Filesystem and error handling

Posted by user on 04 Feb 2015

Many Boost.Filesystem functions and methods (and the pattern also exists in Boost.Asio) will throw a boost::system::error_code in case of error, and sometimes it is not as obvious as you might expect, case in point:

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Tags: boost, c++, error, exceptions, tie, Uncategorized

std::chrono ambiguities

Posted by user on 30 Jan 2015

Precision is costly - As you saw in our previous post getting a timestamp as precise as possible is expensive in precious cycles. We do it only when we really need it because we really care about writing the world fastest database.

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Tags: c++, chrono, libc++, stl, Uncategorized, visual studio