Patryk Wróbel
Patryk Wróbel
Hello, please find some experiments with `iotune` related to buffer size of random IO. I used `i4i.4xlarge` instance type and `AMI` with `ScyllaDB 5.4.6`. The measurements are a follow-up to...
> 1. Please add the Reactor backend that you've used - in some cases it was io_uring, in some cases linux-aio. > > 2. It would be interesting (not now,...
Hello, please find the results of another experiment related to specifying different value of block size for XFS during `scylla_setup`. The goal was to check if the results that had...
This change is only a draft. It needs to be properly tested. Also, further description of `unlink_class_data` will be added to the commit message.
Hi @xemul, the PR has been adjusted and manually tested. It introduces `request_type::unlink` as well as `unlink_class_data`. The new job type works as follows: 1. It receives `files_count` parameter via...
Hi @xemul, please find the adjustments introduced by the new patch-set: 1. The common part related to file creation has been extracted from `io_data_class` and `unlink_data_class` to the new free...
> Can you also put here some measurement results, e.g. -- read workload run on its own vs read workload run in parallel with unlink one to see how unlinking...
Hi @avikivity, please find the PR with addition of **rw=trim** workload to diskplorer.
The change-log is as follows: - renamed `--run-sequential-trim` to `--sequential-trim` - introduced a new parameter `--min-trim-block-size` used to ensure, that trim uses at least given block size (defaults to 32MiB)...
Please find some results from `blktrace+blkparse`. In case more data is needed, I can provide the whole file - 60s trace is around 2GB. `blktrace` had been started during `prepare_data_for_trim`...