diff options
Diffstat (limited to 'src/mongo')
| -rw-r--r-- | src/mongo/shell/shardingtest.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mongo/shell/shardingtest.js b/src/mongo/shell/shardingtest.js index 8f33e5445ae..2e5a10c3062 100644 --- a/src/mongo/shell/shardingtest.js +++ b/src/mongo/shell/shardingtest.js @@ -1571,6 +1571,11 @@ var ShardingTest = function(params) { authutil.asCluster(this._mongos, mongosOptions[0].keyFile, _configureCluster); } else { _configureCluster(); + // Ensure that all config server nodes are up to date with any changes made to balancer + // settings before adding shards to the cluster. This prevents shards, which read + // config.settings with readPreference 'nearest', from accidentally fetching stale values + // from secondaries that aren't up-to-date. + this.configRS.awaitLastOpCommitted(); } try { |