SERVER-25589 increase awaitReplication() timeout in linearizable_read_concern.js

1 files changed, 4 insertions, 1 deletions

diff --git a/jstests/replsets/linearizable_read_concern.js b/jstests/replsets/linearizable_read_concern.js
index a8e707fb556..77a78954cf1 100644
--- a/jstests/replsets/linearizable_read_concern.js
+++ b/jstests/replsets/linearizable_read_concern.js
@@ -52,7 +52,10 @@ load('jstests/libs/write_concern_util.js');
     updateConfigIfNotDurable(config);
     replTest.initiate(config);
 
-    replTest.awaitReplication();
+    // We increase the awaitReplication timeout because without a sync source the heartbeat
+    // interval will be half of the election timeout, 30 seconds. It thus will take almost
+    // 30 seconds for the secondaries to set the primary as their sync source and begin replicating.
+    replTest.awaitReplication(90 * 1000);
     var primary = replTest.getPrimary();
     var secondaries = replTest.getSecondaries();