SERVER-51097 Reduce maximum runtime of unittests "run tests" phase

1 files changed, 22 insertions, 1 deletions

diff --git a/buildscripts/evergreen_task_timeout.py b/buildscripts/evergreen_task_timeout.py
index cee647e609c..9b12199daf9 100755
--- a/buildscripts/evergreen_task_timeout.py
+++ b/buildscripts/evergreen_task_timeout.py
@@ -11,9 +11,23 @@ COMMIT_QUEUE_ALIAS = "__commit_queue"
 COMMIT_QUEUE_TIMEOUT_SECS = 40 * 60
 DEFAULT_REQUIRED_BUILD_TIMEOUT_SECS = 30 * 60
 DEFAULT_NON_REQUIRED_BUILD_TIMEOUT_SECS = 2 * 60 * 60
+# 2x the longest "run tests" phase for unittests as of c9bf1dbc9cc46e497b2f12b2d6685ef7348b0726,
+# which is 5 mins 47 secs, excluding outliers below
+UNITTESTS_TIMEOUT_SECS = 12 * 60
 
 SPECIFIC_TASK_OVERRIDES = {
     "linux-64-debug": {"auth": 60 * 60, },
+
+    # unittests outliers
+    # repeated execution runs a suite 10 times
+    "linux-64-repeated-execution": {"unittests": 10 * UNITTESTS_TIMEOUT_SECS},
+    # some of the a/ub/t san variants need a little extra time
+    "enterprise-ubuntu2004-debug-tsan": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
+    "ubuntu1804-asan": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
+    "ubuntu1804-ubsan": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
+    "ubuntu1804-debug-asan": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
+    "ubuntu1804-debug-aubsan-lite": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
+    "ubuntu1804-debug-ubsan": {"unittests": 2 * UNITTESTS_TIMEOUT_SECS},
 }
 
 REQUIRED_BUILD_VARIANTS = {
@@ -23,16 +37,23 @@ REQUIRED_BUILD_VARIANTS = {
 }
 
 
+def _has_override(variant: str, task_name: str) -> bool:
+    return variant in SPECIFIC_TASK_OVERRIDES and task_name in SPECIFIC_TASK_OVERRIDES[variant]
+
+
 def determine_timeout(task_name: str, variant: str, timeout: int = 0, evg_alias: str = '') -> int:
     """Determine what timeout should be used."""
 
     if timeout and timeout != 0:
         return timeout
 
+    if task_name == "unittests" and not _has_override(variant, task_name):
+        return UNITTESTS_TIMEOUT_SECS
+
     if evg_alias == COMMIT_QUEUE_ALIAS:
         return COMMIT_QUEUE_TIMEOUT_SECS
 
-    if variant in SPECIFIC_TASK_OVERRIDES and task_name in SPECIFIC_TASK_OVERRIDES[variant]:
+    if _has_override(variant, task_name):
         return SPECIFIC_TASK_OVERRIDES[variant][task_name]
 
     if variant in REQUIRED_BUILD_VARIANTS: