SERVER-47658: Improve validate diagnostics, with a focus on multikey failures.

(cherry picked from commit a89edc5d9e2908abce696932462c118d8ecf3345)

1 files changed, 2 insertions, 0 deletions

diff --git a/jstests/hooks/run_validate_collections_background.js b/jstests/hooks/run_validate_collections_background.js
index 89c8f2fcc21..9e0ca571d9b 100644
--- a/jstests/hooks/run_validate_collections_background.js
+++ b/jstests/hooks/run_validate_collections_background.js
@@ -90,6 +90,7 @@ const validateCollectionsBackgroundThread = function validateCollectionsBackgrou
                 return z.name;
             });
 
+    conn.adminCommand({configureFailPoint: "crashOnMultikeyValidateFailure", mode: "alwaysOn"});
     for (let dbName of dbNames) {
         let db = conn.getDB(dbName);
 
@@ -115,6 +116,7 @@ const validateCollectionsBackgroundThread = function validateCollectionsBackgrou
             }
         }
     }
+    conn.adminCommand({configureFailPoint: "crashOnMultikeyValidateFailure", mode: "off"});
 
     // If any commands failed, format and return an error.
     if (failedValidateResults.length) {