SERVER-32692 Make zbigMapReduce.js, sharding_balance4.js, and bulk_shard_insert.js more resilient under slow machines

(cherry picked from commit 1e0f4f8136e640d90093476695bb07b851da2da9)
(cherry picked from commit a17bb0d5dcf4294954c4b2468216335a5e9b9023)

3 files changed, 30 insertions, 0 deletions

diff --git a/jstests/sharding/bulk_shard_insert.js b/jstests/sharding/bulk_shard_insert.js
index 6db6a62c998..0bdcd7a6d26 100644
--- a/jstests/sharding/bulk_shard_insert.js
+++ b/jstests/sharding/bulk_shard_insert.js
@@ -11,6 +11,16 @@
 
     var st = new ShardingTest({shards: 4, chunkSize: 1});
 
+    // Double the balancer interval to produce fewer migrations per unit time so that the test does
+    // not run out of stale shard version retries.
+    st._configServers.forEach((conn) => {
+        conn.adminCommand({
+            configureFailPoint: 'overrideBalanceRoundInterval',
+            mode: 'alwaysOn',
+            data: {intervalMs: 2000}
+        });
+    });
+
     assert.commandWorked(st.s0.adminCommand({enableSharding: 'TestDB'}));
     st.ensurePrimaryShard('TestDB', st.shard0.shardName);
     assert.commandWorked(
diff --git a/jstests/sharding/sharding_balance4.js b/jstests/sharding/sharding_balance4.js
index 75a30b62b9a..9dbe1b969a2 100644
--- a/jstests/sharding/sharding_balance4.js
+++ b/jstests/sharding/sharding_balance4.js
@@ -9,6 +9,16 @@
 
     var s = new ShardingTest({shards: 2, mongos: 1, other: {chunkSize: 1, enableAutoSplit: true}});
 
+    // Double the balancer interval to produce fewer migrations per unit time so that the test does
+    // not run out of stale shard version retries.
+    s._configServers.forEach((conn) => {
+        conn.adminCommand({
+            configureFailPoint: 'overrideBalanceRoundInterval',
+            mode: 'alwaysOn',
+            data: {intervalMs: 2000}
+        });
+    });
+
     assert.commandWorked(s.s0.adminCommand({enablesharding: "test"}));
     s.ensurePrimaryShard('test', s.shard1.shardName);
     assert.commandWorked(s.s0.adminCommand({shardcollection: "test.foo", key: {_id: 1}}));
diff --git a/jstests/sharding/zbigMapReduce.js b/jstests/sharding/zbigMapReduce.js
index 4710c3b4c0c..7ea2a03941d 100644
--- a/jstests/sharding/zbigMapReduce.js
+++ b/jstests/sharding/zbigMapReduce.js
@@ -19,6 +19,16 @@
         }
     });
 
+    // Double the balancer interval to produce fewer migrations per unit time so that the test does
+    // not run out of stale shard version retries.
+    s._configServers.forEach((conn) => {
+        conn.adminCommand({
+            configureFailPoint: 'overrideBalanceRoundInterval',
+            mode: 'alwaysOn',
+            data: {intervalMs: 2000}
+        });
+    });
+
     assert.commandWorked(s.s0.adminCommand({enablesharding: "test"}));
     s.ensurePrimaryShard('test', s.shard0.shardName);
     assert.commandWorked(s.s0.adminCommand({shardcollection: "test.foo", key: {"_id": 1}}));