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CloudHarmony
104 followers -
transparency for the cloud
transparency for the cloud

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New Iperf cloud network performance benchmarks - bandwidth, jitter, loss http://cloudharmony.com/benchmarks/compute/network

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Performance metrics available for new top end Amazon EC2 c4 and Azure G5 instance types - top performers on CPU: https://cloudharmony.com/benchmarks 

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We've added TeraSort benchmark metrics: 4+1 and 8+1 hdfs clusters on various cloud platforms (more metrics next mth) https://cloudharmony.com/benchmarks/compute/terasort

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We've updated our benchmarks section to include full access to recent (<4 months) tabular benchmark result sets https://cloudharmony.com/benchmarks

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Check out our new blog post - CDN performance review, Sep 2014. Regional CDN performance, POPs, price, availability and commentary.

http://blog.cloudharmony.com/2014/09/cdn-performance-review.html

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We've open sourced our new block storage benchmark suite. This is based on the SNIA SSS (Solid State Storage) PTS (Performance Test Specification) Enterprise v1.1. Specification is documented here: http://www.snia.org/tech_activities/standards/curr_standards/pts

The test suite currently supports 5 of the 8 tests described in the specification. These include IOPS, throughput, latency, write saturation (WSAT) and host idle recover (HIR).

The test suite uses fio to run the tests per the specification. When the tests are finished, it generates PDF and HTML formatted reports similar to those shown in the SNIA specification. Additionally, the test suite includes a save.sh script that allows you to store fio and test results to CSV, MySQL, PostgreSQL or BigQuery, and to store the PDF and HTML test reports to S3, Google Cloud Storage or Azure Blog Storage.

The github repository includes extensive documentation related to how to setup and run the test suite. Check it out here: https://github.com/cloudharmony/block-storage 

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We've published a new version of the State of the Cloud DNS report which includes a new comparison matrix for primary/secondary DNS XFR support (AXFR, IXFR, TSIG), adds NSONE to the comparison lists, and uses a more robust marketshare analysis technique (using both CNAME and ASN correlations). https://cloudharmony.com/reports/state-of-the-cloud-dns-0714-report
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