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-rw-r--r--docs/about/deprecated.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 35c8d7d1d4..ecccd5d3fc 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -496,3 +496,11 @@ devices or none.
 Please see "QMP invocation for live storage migration with
 ``blockdev-mirror`` + NBD" in docs/interop/live-block-operations.rst
 for a detailed explanation.
+
+old compression method (since 8.2)
+''''''''''''''''''''''''''''''''''
+
+Compression method fails too much.  Too many races.  We are going to
+remove it if nobody fixes it.  For starters, migration-test
+compression tests are disabled becase they fail randomly.  If you need
+compression, use multifd compression methods.