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westerndigitalcorporation / zenfs

ZenFS is a storage backend for RocksDB that enables support for ZNS SSDs and SMR HDDs.
GNU General Public License v2.0
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Hi, I emulate a nullblk0 and want to run a zenfs based on it, but there is an error #267

Closed Lsgoose closed 1 year ago

Lsgoose commented 1 year ago
yhr commented 1 year ago

Hi!

Looks like you need to adjust the fs_uri parameter, the format is:

--fs_uri=zenfs://dev:

On Fri, Apr 14, 2023 at 5:27 PM Lsgoose @.***> wrote:

  • DEV=nullb0
  • FUZZ=5
  • cat /sys/class/block/nullb0/queue/chunk_sectors
  • ZONE_SZ_SECS=262144
  • ZONE_CAP=134217728
  • BASE_FZ=127506841
  • WB_SIZE=255013682
  • TARGET_FZ_BASE=255013682
  • TARGET_FILE_SIZE_MULTIPLIER=2
  • MAX_BYTES_FOR_LEVEL_BASE=510027364
  • MAX_BACKGROUND_JOBS=8
  • MAX_BACKGROUND_COMPACTIONS=8
  • OPEN_FILES=16
  • echo deadline
  • ./plugin/zenfs/util/zenfs mkfs --zbd=nullb0 --aux_path=/tmp/zenfs_nullb0 --finish_threshold=0 --force ZenFS file system created. Free space: 3596 MB
  • ./db_bench --fs_uri=zenfs://nullb0 --key_size=16 --value_size=800 --target_file_size_base=255013682 --write_buffer_size=255013682 --max_bytes_for_level_base=510027364 --max_bytes_for_level_multiplier=4 --use_direct_io_for_flush_and_compaction --num=1500000 --benchmarks=fillrandom,overwrite --max_background_jobs=8 --max_background_compactions=8 --open_files=16 Failed creating env: Invalid argument: Malformed URI: zenfs://nullb0

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yhr commented 1 year ago

@Lsgoose : Did you try modifying the fs_uri path?