【rgw压缩】
ceph osd pool application enable default.rgw.buckets.data rgw ceph osd pool application enable default.rgw.buckets.index rgw ceph osd pool application enable default.rgw.buckets.non-ec rgw
radosgw-admin zone placement add --rgw-zone=default \
--placement-id=compress-placement \
--index_pool=default.rgw.buckets.index \
--data_pool=default.rgw.buckets.data \
--data_extra_pool=default.rgw.buckets.non-ec --compression=zstd