Server graph only #114
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Server graph only #114
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When this option is present, only the plotly-graph component is run (not thumbnail, dash, etc.). When graph conversion is the only service needed, this option reduces the number of electron processes, the memory usage, and startup time.
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Beautiful, merge away 💃 |
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This PR supersedes #112 due to CI permissions issues.
Overview
Added a
--graph-onlyboolean command line option to theorca serveentry point. When this option is present, only theplotly-graphcomponent is run (not thumbnail, dash, etc.).When graph conversion is the only service needed, this option reduces the number of electron processes, the memory usage, and startup time.
Past Discussion
See #110
Resource usage comparison
Here's a comparison of the baseline resource usage on OSX
Without
--graph-only(legacy behavior)There are 8 processes running, consuming ~390MB of memory.
Based on my testing from Python, from launching the server to receiving the first image conversion takes about 2.2 seconds.
With `--graph-only
There are 3 processes running, consuming ~120MB of memory.
Based on my testing from Python, from launching the server to receiving the first image conversion takes about 1.7 seconds.
Resource Summary
If all you need is graph conversion, this flag saves 5 processes, 270MB of memory, and a half second of startup time.
Testing
I added a new integration testing file at
test/integration/orca_serve_graph-only_test.js. This file is based on a subset of the testing intest/integration/orca_serve_test.js. But it checks to make sure there is only 1 window running, that the graph-component is running, and that the thumbnail component is not running.