Wednesday, 2021-11-17

kata-irc-bot<eric.ernst> depends on the backing medium.01:08
kata-irc-bot<eric.ernst> it will normally use virtiofs shared dir. You can set it up to use a tmpfs instead.01:09
kata-irc-bot<eric.ernst> Depends. It’ll be from the shared filesystem, but can also utilize tmpfs if backed by memory01:10
kata-irc-bot<shuo.chen> If I didn’t explicitly announce that it is backed by memory, it will be from the shared filesystem right? And also the file system will be created in kata vm. No host file system involves right?01:22
kata-irc-bot<eric.ernst> well, it’ll be part of the kataShared mount01:37
kata-irc-bot<eric.ernst> so it will be “as slow” as virtiofs.01:37
kata-irc-bot<eric.ernst> and you’ll see the writes propagate.01:37
kata-irc-bot<eric.ernst> ie, the rootfs is RO, and we need a place for this to reside. Options are either kataShared (virtiofs backed) or tmpfs (mem backed)01:38
kata-irc-bot<shuo.chen> yeah what I want to make sure is without explicitly announce using memory backed as empty dir, there will be no additional memory consumed by this mount.01:50
kata-irc-bot<bergwolf> yes, that is the current situation, no extra memory consumption.02:16

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