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btillylast Tuesday at 10:06 PM1 replyview on HN

Back in 2011 I was working on a project that involved Riak. The difficulty and slowness for doing stuff corresponding to basic SQL operations was certainly a giant strike against it, and helped sink that project before it was released.


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p_llast Tuesday at 11:16 PM

> corresponding to basic SQL operations

Ohhh, this brings memories of developers hitting the wall... Between different SQL databases!

Back in 2016 I was delegated at work to do ops on a project that had big data ambitions in Threat Intelligence space.

Part of how they intended to support that was Apache Phoenix, an SQL database backed by HBase, running on top of Hadoop that also provided object storage (annoyingly through WebHDFS gateway).

Constant problems with hung Phoenix queries and instability of Hadoop in entirety led me to propose moving over to PostgreSQL, which generally went quite well... Except several cases of "basic SQL operations" that turned to have wildly different performance compared to Phoenix and most importantly, to MySQL in MyISAM mode, like doing SELECT (*) on huge tables.

Fun times, got to meet a postgres core team member thanks to it.