lhotari commented on pull request #13252:
URL: https://github.com/apache/pulsar/pull/13252#issuecomment-1075978375
This was the wrong solution to the problem. The change makes the shell
script basically a no-op.
The correct solution to the problem would have been to set `shopt -s
nullglob`.
Here's an example from the Pulsar CI refactoring:
```bash
(
shopt -s nullglob
# Set swappiness to 1 for all cgroups and sub-groups
for swappiness_file in
/sys/fs/cgroup/memory/*/memory.swappiness
/sys/fs/cgroup/memory/*/*/memory.swappiness; do
echo 1 | sudo tee $swappiness_file > /dev/null
done
)
```
I'll be including this fix as part of the Pulsar CI refactoring that I have
[announced on the dev mailing
list](https://lists.apache.org/thread/2oyk217f88bmsod98vsb6c5gspvxvpo4).
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