diff --git a/yql/essentials/core/issue/ut/ya.make b/yql/essentials/core/issue/ut/ya.make
index 9159cc7cae3a..738c471dafb0 100644
--- a/yql/essentials/core/issue/ut/ya.make
+++ b/yql/essentials/core/issue/ut/ya.make
@@ -9,6 +9,7 @@ SRCS(
 PEERDIR(
 )
 
+TIMEOUT(300)
 SIZE(MEDIUM)
 
 END()
diff --git a/yql/essentials/core/minsketch/ut/ya.make b/yql/essentials/core/minsketch/ut/ya.make
index cf5e584392bb..30f60c7229aa 100644
--- a/yql/essentials/core/minsketch/ut/ya.make
+++ b/yql/essentials/core/minsketch/ut/ya.make
@@ -3,9 +3,11 @@ UNITTEST_FOR(yql/essentials/core/minsketch)
 FORK_SUBTESTS()
 IF (WITH_VALGRIND)
     SPLIT_FACTOR(30)
+    TIMEOUT(1200)
     SIZE(LARGE)
     TAG(ya:fat)
 ELSE()
+    TIMEOUT(600)
     SIZE(MEDIUM)
 ENDIF()
 
diff --git a/yql/essentials/minikql/benchmark/pack_num/ya.make b/yql/essentials/minikql/benchmark/pack_num/ya.make
index 5951edd721e9..2f17895c2c16 100644
--- a/yql/essentials/minikql/benchmark/pack_num/ya.make
+++ b/yql/essentials/minikql/benchmark/pack_num/ya.make
@@ -2,6 +2,7 @@ Y_BENCHMARK()
 
 ALLOCATOR(B)
 
+TIMEOUT(1800)
 SIZE(LARGE)
 TAG(ya:fat)
 
diff --git a/yql/essentials/minikql/ut/ya.make b/yql/essentials/minikql/ut/ya.make
index e2a796bc844a..ed3b51f665f3 100644
--- a/yql/essentials/minikql/ut/ya.make
+++ b/yql/essentials/minikql/ut/ya.make
@@ -3,9 +3,11 @@ UNITTEST_FOR(yql/essentials/minikql)
 FORK_SUBTESTS()
 
 IF (SANITIZER_TYPE == "thread" OR WITH_VALGRIND)
+    TIMEOUT(1800)
     SIZE(LARGE)
     TAG(ya:fat)
 ELSE()
+    TIMEOUT(600)
     SIZE(MEDIUM)
 ENDIF()
 
diff --git a/yql/essentials/parser/pg_wrapper/test/ya.make b/yql/essentials/parser/pg_wrapper/test/ya.make
index aa3d4e642654..9b29b15f97ba 100644
--- a/yql/essentials/parser/pg_wrapper/test/ya.make
+++ b/yql/essentials/parser/pg_wrapper/test/ya.make
@@ -7,9 +7,11 @@ TEST_SRCS(
 )
 
 IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(1800)
     SIZE(LARGE)
     TAG(ya:fat sb:ttl=2)
 ELSE()
+    TIMEOUT(600)
     SIZE(MEDIUM)
     TAG(sb:ttl=2)
 ENDIF()
diff --git a/yql/essentials/tests/sql/sql2yql/ya.make b/yql/essentials/tests/sql/sql2yql/ya.make
index 6e98d91ba48b..f6f5df53a01c 100644
--- a/yql/essentials/tests/sql/sql2yql/ya.make
+++ b/yql/essentials/tests/sql/sql2yql/ya.make
@@ -10,9 +10,11 @@ IF (SANITIZER_TYPE OR NOT OPENSOURCE)
 ENDIF()
 
 IF (SANITIZER_TYPE)
+    TIMEOUT(1800)
     SIZE(LARGE)
     TAG(ya:fat sb:ttl=2)
 ELSE()
+    TIMEOUT(600)
     SIZE(MEDIUM)
     TAG(sb:ttl=2)
 ENDIF()
diff --git a/yql/essentials/types/binary_json/ut/ya.make b/yql/essentials/types/binary_json/ut/ya.make
index 2c172f750bdd..2fc1681121d1 100644
--- a/yql/essentials/types/binary_json/ut/ya.make
+++ b/yql/essentials/types/binary_json/ut/ya.make
@@ -10,10 +10,12 @@ SRCS(
 
 IF (SANITIZER_TYPE == "thread" OR WITH_VALGRIND)
     FORK_SUBTESTS()
+    TIMEOUT(2400)
     SPLIT_FACTOR(20)
     SIZE(LARGE)
     TAG(ya:fat)
 ELSE()
+    TIMEOUT(600)
     SIZE(MEDIUM)
 ENDIF()
 
diff --git a/yql/essentials/types/binary_json/ut_benchmark/ya.make b/yql/essentials/types/binary_json/ut_benchmark/ya.make
index f29d93547277..104d51cc0798 100644
--- a/yql/essentials/types/binary_json/ut_benchmark/ya.make
+++ b/yql/essentials/types/binary_json/ut_benchmark/ya.make
@@ -2,11 +2,13 @@ G_BENCHMARK()
 
 TAG(ya:fat)
 SIZE(LARGE)
+TIMEOUT(600)
 
 IF (BENCHMARK_MAKE_LARGE_PART)
     CFLAGS(
         -DBENCHMARK_MAKE_LARGE_PART=1
     )
+    TIMEOUT(1200)
 ENDIF()
 
 SRCS(
diff --git a/yql/essentials/udfs/common/digest/test/ya.make b/yql/essentials/udfs/common/digest/test/ya.make
index 235a311368f3..6c3cce54db07 100644
--- a/yql/essentials/udfs/common/digest/test/ya.make
+++ b/yql/essentials/udfs/common/digest/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/digest)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/histogram/test/ya.make b/yql/essentials/udfs/common/histogram/test/ya.make
index 1d90bbe37a1f..e03673fbdfe1 100644
--- a/yql/essentials/udfs/common/histogram/test/ya.make
+++ b/yql/essentials/udfs/common/histogram/test/ya.make
@@ -1,5 +1,7 @@
 YQL_UDF_TEST_CONTRIB()
 
+TIMEOUT(600)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/hyperloglog/test/ya.make b/yql/essentials/udfs/common/hyperloglog/test/ya.make
index 395fe9767ec1..5eac077dcfad 100644
--- a/yql/essentials/udfs/common/hyperloglog/test/ya.make
+++ b/yql/essentials/udfs/common/hyperloglog/test/ya.make
@@ -5,6 +5,8 @@ DEPENDS(
     yql/essentials/udfs/common/digest
 )
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/hyperscan/test/ya.make b/yql/essentials/udfs/common/hyperscan/test/ya.make
index 40ab47190fca..2aa229b0b69b 100644
--- a/yql/essentials/udfs/common/hyperscan/test/ya.make
+++ b/yql/essentials/udfs/common/hyperscan/test/ya.make
@@ -4,6 +4,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/hyperscan)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/json/test/ya.make b/yql/essentials/udfs/common/json/test/ya.make
index 5a844ca35856..d02608161889 100644
--- a/yql/essentials/udfs/common/json/test/ya.make
+++ b/yql/essentials/udfs/common/json/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/json)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/re2/test/ya.make b/yql/essentials/udfs/common/re2/test/ya.make
index b81246b61be5..179b2ca19bfb 100644
--- a/yql/essentials/udfs/common/re2/test/ya.make
+++ b/yql/essentials/udfs/common/re2/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/re2)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/set/test/ya.make b/yql/essentials/udfs/common/set/test/ya.make
index 3d54f1b2de5c..e31115a00d84 100644
--- a/yql/essentials/udfs/common/set/test/ya.make
+++ b/yql/essentials/udfs/common/set/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/set)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/streaming/test/ya.make b/yql/essentials/udfs/common/streaming/test/ya.make
index 240a1e39fff1..08e2048adc0f 100644
--- a/yql/essentials/udfs/common/streaming/test/ya.make
+++ b/yql/essentials/udfs/common/streaming/test/ya.make
@@ -5,6 +5,7 @@ YQL_UDF_TEST_CONTRIB()
         yql/essentials/udfs/common/string
         yql/essentials/udfs/common/streaming
     )
+    TIMEOUT(300)
     SIZE(MEDIUM)
 
     IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/string/test/ya.make b/yql/essentials/udfs/common/string/test/ya.make
index c3d286b769ca..87d8b667780c 100644
--- a/yql/essentials/udfs/common/string/test/ya.make
+++ b/yql/essentials/udfs/common/string/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/string)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/top/test/ya.make b/yql/essentials/udfs/common/top/test/ya.make
index 3fbe8331d431..9bbd032b5769 100644
--- a/yql/essentials/udfs/common/top/test/ya.make
+++ b/yql/essentials/udfs/common/top/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/top)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/common/url_base/test/ya.make b/yql/essentials/udfs/common/url_base/test/ya.make
index 2f0c8f9758ce..b6abb70add3b 100644
--- a/yql/essentials/udfs/common/url_base/test/ya.make
+++ b/yql/essentials/udfs/common/url_base/test/ya.make
@@ -2,6 +2,8 @@ YQL_UDF_TEST_CONTRIB()
 
 DEPENDS(yql/essentials/udfs/common/url_base)
 
+TIMEOUT(300)
+
 SIZE(MEDIUM)
 
 IF (SANITIZER_TYPE == "memory")
diff --git a/yql/essentials/udfs/examples/tagged/test/ya.make b/yql/essentials/udfs/examples/tagged/test/ya.make
index 81c541f77c99..7ff7738882b3 100644
--- a/yql/essentials/udfs/examples/tagged/test/ya.make
+++ b/yql/essentials/udfs/examples/tagged/test/ya.make
@@ -1,5 +1,6 @@
 YQL_UDF_TEST_CONTRIB()
 
+TIMEOUT(300)
 SIZE(MEDIUM)
 
 DEPENDS(