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-rw-r--r--src/mongo/s/catalog/type_collection.idl6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mongo/s/catalog/type_collection.idl b/src/mongo/s/catalog/type_collection.idl
index 643627f0863..59e64243b00 100644
--- a/src/mongo/s/catalog/type_collection.idl
+++ b/src/mongo/s/catalog/type_collection.idl
@@ -114,3 +114,9 @@ structs:
original collection undergoing a resharding operation or this
collection is the temporary resharding collection."
optional: true
+ allowMigrations:
+ type: bool
+ description: "Whether this collection allows chunks to move. It is required by
+ almost all DDL operations in order to guarantee that the set of
+ shards, which comprise a collection will not change."
+ default: true