On Tue, 3 Mar 2015, Sage Weil wrote: > I think we should try to avoid the dups in the first place in the upper > layers before resorting to deduping in the FileStore. I took a stab at this: https://github.com/ceph/ceph/pull/3878 Here's what the txns look like now: { "ops": [ { "op_num": 0, "op_name": "omap_setkeys", "collection": "0.2_head", "oid": "2\/\/head\/\/0", "attr_lens": { "0000000005.00000000000000000002": 178, "_epoch": 4, "_info": 729, "can_rollback_to": 12, "rollback_info_trimmed_to": 12 } }, { "op_num": 1, "op_name": "write", "collection": "0.2_head", "oid": "8b08fa52\/benchmark_data_maetl_15609_object5\/head\/\/0", "length": 123, "offset": 0, "bufferlist length": 123 }, { "op_num": 2, "op_name": "setattr", "collection": "0.2_head", "oid": "8b08fa52\/benchmark_data_maetl_15609_object5\/head\/\/0", "name": "_", "length": 269 }, { "op_num": 3, "op_name": "setattr", "collection": "0.2_head", "oid": "8b08fa52\/benchmark_data_maetl_15609_object5\/head\/\/0", "name": "snapset", "length": 31 } ] } Care to give that a spin and see if it give syou a similar (or better) improvement? sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
