Category: Technology

Using Elasticsearch for Drupal 7 Search

We’re big fans of Elasticsearch. It is significantly easier to deploy, manage, and scale than SOLR in our experience. Since we’ve already been using Elasticsearch for indexing and storing system logs, it makes since for use to use Elasticsearch as the search backend for our clients’ websites. While currently not as feature-complete as the present SOLR integration for Search API, our Elasticsearch integration handles many of the most commonly used search features, and we’re adding new capabilities as time and demand permits. Getting started with Elasticsearch is easy. Install and configure Elasticsearch Elasticsearch is very easy to install. If you’re just getting started, the default settings are likely adequate for your needs. You just need to download and install the appropriate package from Elasticsearch.org. If …

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Using Elasticsearch for Drupal 7 Search

Amazon uses Blu-ray Disc to Archive Data, Just Like Facebook

A few years back, Amazon introduced a somewhat bizarre sounding file backup service. Unlike an ordinary S3 bucket, Glacier was designed to protect data that you didn’t constantly need access to. As the name implies, it’s a sort of digital cold storage. It also moves slowly, like a Glacier would. If you need to retrieve some files, it can take three to five hours to “thaw” them. Ever since the service was announced, people (geeky ones, anyway) have been wondering what kind of hardware Amazon Glacier uses that lets them charge such ridiculously low rates. Storage is never cheap when you’re talking about petabytes of data, but if Amazon’s only charging 1 cent per gigabyte of geo-distributed secure storage they must be …

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Amazon uses Blu-ray disc to archive data, just like Facebook

Amazon’s Glacier secret: BDXL

Remember when Amazon Web Services (AWS) announced Glacier, a data archiving service, almost 2 years ago? Long-term, slow-retrieval (3-5 hours) storage for 1¢/GB while maintaining several copies across geographies. Pretty amazing. Less amazing now that disk prices are reaching 3¢/GB, but there’s still power, cooling, mounting and replacement costs to consider in addition to multiple copies. Tape? Amazon denied that. Plus the long-term storage requirements for tape require a level of climate control that their data centers may not support. Not tape. Hard drives to the rescue?That left disk. Perhaps Shingled Magnetic Recording (SMR) drives that, in theory, could double existing drive density at the cost of expensive rewrites. Which an archive wouldn’t have. Seagate announced they’d sold a …

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Amazon’s Glacier secret: BDXL

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