Hi Michel, As far as I know, currently Ozone hasn't a feature like HDFS cache block. Not sure if someone else has done the performance test between Ozone read and HDFS read. But anyway, cache block on Ozone seems a good idea if it can greatly speed the data read.
Thanks, Yiqun On 2021/1/6, 11:47 PM, "Michel Sumbul" <michelsum...@gmail.com> wrote: External Email Hi guys, I would like to know if Ozone has a caching feature like HDFS? ( https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhadoop.apache.org%2Fdocs%2Fcurrent%2Fhadoop-project-dist%2Fhadoop-hdfs%2FCentralizedCacheManagement.html&data=04%7C01%7Cyiqlin%40ebay.com%7Ca80ab0cd29194003f00008d8b25a6411%7C46326bff992841a0baca17c16c94ea99%7C0%7C0%7C637455448585079421%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=MvuLw8eEANxVuHiCEprR%2BWkb%2FriKjhOoDlZPaX%2FEPVo%3D&reserved=0 ) I didn’t find any doc on it for Ozone, but caching blocks frequently access really improve the performance on HDFS and it might be a nice to have for Ozone to avoid unnecessary IOPS. Thanks, Michel PS: sorry for the resend, it was the old mailing list --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@ozone.apache.org For additional commands, e-mail: dev-h...@ozone.apache.org