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Update SKY_NODE_RANK docs #1350

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merged 3 commits into from
Nov 1, 2022
Merged

Update SKY_NODE_RANK docs #1350

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6e51ee0
Add tip for node rank to docs
iojw Nov 1, 2022
3caefe5
Update formatting
iojw Nov 1, 2022
fcce16a
Indent fix.
concretevitamin Nov 1, 2022
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9 changes: 6 additions & 3 deletions docs/source/running-jobs/distributed-jobs.rst
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Expand Up @@ -46,8 +46,11 @@ SkyPilot exposes these environment variables that can be accessed in a task's ``
- :code:`SKY_NODE_IPS`: a string of IP addresses of the nodes reserved to execute
the task, where each line contains one IP address.

You can retrieve the number of nodes by :code:`echo "$SKY_NODE_IPS" | wc -l`
and the IP address of the third node by :code:`echo "$SKY_NODE_IPS" | sed -n
3p`.
- You can retrieve the number of nodes by :code:`echo "$SKY_NODE_IPS" | wc -l`
and the IP address of the third node by :code:`echo "$SKY_NODE_IPS" | sed -n
3p`.

- To manipulate these IP addresses, you can also store them to a file in the
:code:`run` command with :code:`echo $SKY_NODE_IPS >> ~/sky_node_ips`.
- :code:`SKY_NUM_GPUS_PER_NODE`: number of GPUs reserved on each node to execute the
task; the same as the count in ``accelerators: <name>:<count>`` (rounded up if a fraction).