diff --git a/notes/cockroachUnsync.png b/notes/cockroachUnsync.png new file mode 100644 index 0000000000000000000000000000000000000000..a1dfc6c45d5a7d1a232b6da5bd22838f1b1175ac Binary files /dev/null and b/notes/cockroachUnsync.png differ diff --git a/notes/spannerCockroach.md b/notes/spannerCockroach.md index c51e1dc846a4a8791d37a589e3bcbadef427ce1a..4ed6ac7e863796368fd5ca0ac1efbfdd2eb8eadf 100644 --- a/notes/spannerCockroach.md +++ b/notes/spannerCockroach.md @@ -108,6 +108,9 @@ without atomic clocks." regardless of observer, provides for a particularly strong guarantee of external consistency known as “linearizability.†- "in a non-distributed database, serializability implies linearizability" + - single clock + - if T2 starts after T1 finishes, that will be equiv serial order, and so... + - "CockroachDB’s external consistency guarantee is by default only serializability, though with some features that can help bridge the gap in practice."