Prezi が Amazon CloudSearch を導入したよっていう話



During the course of our research on search in the cloud, we’ve been collecting some case studies on uses of SaaS-delivered search.
Two of the major reasons that companies give us for moving their search to a cloud-based model are that
彼らが言う、cloud-based modelなサービスへの移行に関するメジャーな理由は2つです。
first, they need a scalable, flexible model that can vary with the demands of the business,
and second, that search is not their core business so they prefer to rely on outside experts who can deliver a solid reliable foundation on which they can build specialized applications.
Businesses that are dynamic information exchanges require this kind of scalable reliability.
They need to make their information available quickly, and cater to the dynamics of their users. Search is critical to their business.
Prezi ( is a good example of this kind of use.
This cloud-based software company enables its customers to brainstorm and collaborate, create unusual presentations, and share the results, no matter their location or device.
このcloud-basedなsoftware companyは、ブレインストーミングとコラボレーション、unusual(Preziならではのユニーク)なプレゼンテーションの作成、そしていかなる場所やデバイスにも成果物をシェアすること、を可能にします。
Their search needs at this stage are basic—good matching of queries to documents and quick updating of their index.
They started with about 200 million documents, but the volume to grow to 1 terabyte, doubling annually.
Prezi did not want to hire or develop the expertise to build search from scratch, and they needed flexible, scalable search to match their growing business.
Their customers need to find materials both they and others have developed, and they want to find images by topic without the time consuming delays of creating and standardizing tags.
彼らは、スライドの作成やタグのstandardizingに伴うtime consumingな遅延なくトピック毎のイメージを探したいと思っています。
To make its materials searchable quickly and easily, Prezi developed a database of images that are associated with the text in the same slide.
The contents change constantly, however, and they need to upload those images and make them searchable automatically using the related text.
Furthermore, they anticipate adding and indexing new sources.
For this purpose, they envisioned using search as “a materialized view over multiple sources.” In other words, a single gateway to all their information.
別の言い方をすると、彼らの全ての情報に対するsingle gateway。
To accomplish this, they needed stable, reliable and expandable search.
The materials had to be accessible to its users no matter their device or location.
Peter Neumark, a Prezi software engineer told us that they were looking for search that they could “pay for, use and forget about.”
Preziのsoftware engineerのPeter Neumarkさんは、”pay for, use and forget about”な検索サービスを探してたと我々に語りました。
Selecting a Search Infrastructure
Prezi’s previous search solution was slow, and didn’t function well enough as a key-value store.
They also required a solution that allowed them to relate an image to its neighboring text easily.
They decided to look at Amazon’s CloudSearch to solve these problems and deliver relevant material to searchers quickly and reliably.
In other words, they were looking for search that “just worked”.
他の言葉で言えば、彼らは“just worked”な検索サービスを探していました。
They didn’t want to maintain it themselves, and, because they were familiar with them, they wanted to continue to use the AWS API’s, which they like.
When they did head-to-head testing, they found that CloudSearch was cheaper, faster, more reliable and expandable, and easier to synch with their Amazon DynamoDB database.
head-to-head testingを行った結果、CloudSearchはcheaperでfasterでreliableでexpandableでAmazon DynamoDBと簡単に同期が取れることが分かりました。
They liked its auto-scaling features that would grow with their data and their business.
Rolling out CloudSearch and Future Plans
Prezi are “happy campers”.
Preziは”happy campers”です。(辞書引くと、幸せものです的なのが出てきますが、そんな感じですかね〜?)
They deployed CloudSearch in 3 weeks, and are seeing lower cost, lower latencies, and virtually no need to pay attention to their basic search foundation.
彼らはわずか3週間でCloudSearchを導入しました。lower costでlower latencyで、実質的にbasicなsearch foundationに注意を払わなくてよくなりました。
Their next step will be to roll out additional domains and sources.
They like the idea of adding domains rather than changing the initial schema.
They will also make the search function more visible on their site, now that they no longer need to worry about its reliability and speed.

Amazon CloudSearchについては以前Solr勉強会(#SolrJP)で発表した資料とかもあるので、よろしかったらご覧ください↓


Preziで始めるズーミングプレゼンテーション 第2版
筏井 哲治 高橋 佳佑
売り上げランキング: 103,420


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