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Editorial Team
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Asked: 2026-06-11T16:15:26+00:00

I have a local database with a single table which has roughly 5.5 million

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I have a local database with a single table which has roughly 5.5 million records. I created a new database (Basic Plan) on Heroku Postgres and restored the local dump into it. Firing up psql and doing some queries I noticed that the speed is significantly lower than locally. I then provisioned another database with the Crane plan and the numbers are similarly bad.

Here some numbers:

select count(*) from table;
Local: 1216.744 ms
Heroku (Basic): 4697.073 ms
Heroku (Crane): 2972.302 ms

select column from table where id = 123456;
Local: 0.249 ms
Heroku (Basic): 127.557 ms
Heroku (Crane): 137.617 ms

How are these huge differences possible? Could this be entirely related to hardware differences? Is there any easy way to increase the throughput?

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1 Answer

  1. Editorial Team

    So you are asking if it is possible for an online database service to be slower than a local database? Yes, of course it will be slower, it has all the network latency to deal with
    Is there an easy way to speed it up? Apart from the obvious like faster network links and moving offices to be next door to Heroku’s data centre – No

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