From: Jim Fehlig via Devel Date: Thu, 20 Mar 2025 23:25:43 +0000 (-0600) Subject: NEWS: Mention support for mapped-ram X-Git-Tag: v11.2.0-rc1~19 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ec16313f8b8afeb3874169a423be6c91c26526c2;p=thirdparty%2Flibvirt.git NEWS: Mention support for mapped-ram Add a 'New features' entry for mapped-ram itself, and another for the parallel save/restore feature built on top. Signed-off-by: Jim Fehlig Reviewed-by: Pavel Hrdina --- diff --git a/NEWS.rst b/NEWS.rst index 6ab34aa756..6ce3f2142a 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -52,6 +52,21 @@ v11.2.0 (unreleased) /etc/libvirt/qemu.conf configuration file. The libvirt-guests script must be disabled before doing this. + * qemu: Add 'sparse' as a new save image format + + QEMU's ``file`` migration has been supplemented with the new stream format + ``mapped-ram``, where RAM pages are mapped directly to offsets in the + migration file. ``mapped-ram`` is now supported by augmenting the existing + save image formats with the ``sparse`` format. + + * qemu: Add support for parallel save/restore + + The ``sparse`` image format can support reading and writing by multiple + channels. ``virDomainSaveParams`` and ``virDomainRestoreParams`` now + support specifying the number of IO channels used for parallel save and + restore. Using multiple channels can reduce the time required to save + and restore domains. + * **Improvements** * **Bug fixes**