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morningman pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/branch-2.1 by this push:
     new 3d6ad47d087 branch-2.1: [fix](test) fix unstable lower case test 
#46410 (#46416)
3d6ad47d087 is described below

commit 3d6ad47d0870ac9fd66583eb4d45dafb1bbce492
Author: github-actions[bot] 
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Sat Jan 4 22:28:29 2025 +0800

    branch-2.1: [fix](test) fix unstable lower case test #46410 (#46416)
    
    Cherry-picked from #46410
    
    Co-authored-by: Mingyu Chen (Rayner) <morning...@163.com>
---
 .../test_lower_case_meta_show_and_select.groovy    |  18 +++
 ...ta_with_lower_table_conf_show_and_select.groovy |  66 ++++++++++-
 .../lower_case/test_timing_refresh_catalog.groovy  | 127 ++++++++++++---------
 .../lower_case/upgrade/load.groovy                 |  17 +++
 4 files changed, 173 insertions(+), 55 deletions(-)

diff --git 
a/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_show_and_select.groovy
 
b/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_show_and_select.groovy
index 7b61216e949..ac86623243d 100644
--- 
a/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_show_and_select.groovy
+++ 
b/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_show_and_select.groovy
@@ -15,6 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import org.awaitility.Awaitility
+
 suite("test_lower_case_meta_show_and_select", 
"p0,external,doris,external_docker,external_docker_doris") {
 
     String jdbcUrl = context.config.jdbcUrl
@@ -24,6 +28,18 @@ suite("test_lower_case_meta_show_and_select", 
"p0,external,doris,external_docker
     String bucket = getS3BucketName()
     String driver_url = 
"https://${bucket}.${s3_endpoint}/regression/jdbc_driver/mysql-connector-j-8.3.0.jar";
 
+    def wait_table_sync = { String db ->
+        Awaitility.await().atMost(10, TimeUnit.SECONDS).pollInterval(1, 
TimeUnit.SECONDS).until{
+            try {
+                def res = sql "show tables from ${db}"
+                return res.size() > 0;
+            } catch (Exception e) {
+                e.printStackTrace();
+                return false;
+            }
+        }
+    }
+
     try_sql """drop user ${jdbcUser}"""
     sql """create user ${jdbcUser} identified by '${jdbcPassword}'"""
     sql """grant all on *.*.* to ${jdbcUser}"""
@@ -75,6 +91,7 @@ suite("test_lower_case_meta_show_and_select", 
"p0,external,doris,external_docker
             "include_database_list" = "external_test_lower,external_test_UPPER"
         )"""
 
+    wait_table_sync("test_cache_false_lower_false.external_test_lower")
     test {
         sql """show databases from test_cache_false_lower_false"""
 
@@ -172,6 +189,7 @@ suite("test_lower_case_meta_show_and_select", 
"p0,external,doris,external_docker
             "include_database_list" = "external_test_lower,external_test_UPPER"
         )"""
 
+    wait_table_sync("test_cache_false_lower_true.external_test_lower")
     test {
         sql """show databases from test_cache_false_lower_true"""
 
diff --git 
a/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_with_lower_table_conf_show_and_select.groovy
 
b/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_with_lower_table_conf_show_and_select.groovy
index b310a5bd614..339d741dd82 100644
--- 
a/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_with_lower_table_conf_show_and_select.groovy
+++ 
b/regression-test/suites/external_table_p0/lower_case/test_lower_case_meta_with_lower_table_conf_show_and_select.groovy
@@ -15,6 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import org.awaitility.Awaitility
+
 suite("test_lower_case_meta_with_lower_table_conf_show_and_select", 
"p0,external,doris,external_docker,external_docker_doris") {
 
     String jdbcUrl = context.config.jdbcUrl
@@ -24,6 +28,18 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
     String bucket = getS3BucketName()
     String driver_url = 
"https://${bucket}.${s3_endpoint}/regression/jdbc_driver/mysql-connector-j-8.3.0.jar";
 
+    def wait_table_sync = { String db ->
+        Awaitility.await().atMost(10, TimeUnit.SECONDS).pollInterval(1, 
TimeUnit.SECONDS).until{
+            try {
+                def res = sql "show tables from ${db}"
+                return res.size() > 0;
+            } catch (Exception e) {
+                e.printStackTrace();
+                return false;
+            }
+        }
+    }
+
     try_sql """drop user ${jdbcUser}"""
     sql """create user ${jdbcUser} identified by '${jdbcPassword}'"""
     sql """grant all on *.*.* to ${jdbcUser}"""
@@ -68,21 +84,29 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "1"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_1 "select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_2 "select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_3 "select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_4 "select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_3_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf1"
+    
wait_table_sync("test_cache_false_lower_false_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf1_4_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf1.external_test_lower_with_conf.upper_with_conf"
 
 
@@ -117,21 +141,29 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "2"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_1 "select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_2 "select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_3 "select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_4 "select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_3_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf2"
+    
wait_table_sync("test_cache_false_lower_false_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf2_4_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf2.external_test_lower_with_conf.upper_with_conf"
 
     test {
@@ -263,21 +295,29 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "1"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_1 "select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_2 "select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_3 "select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_4 "select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_3_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf1"
+    
wait_table_sync("test_cache_false_lower_true_with_conf1.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf1_4_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf1.external_test_lower_with_conf.upper_with_conf"
 
     test {
@@ -311,21 +351,29 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "2"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_1 "select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_2 "select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_3 "select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_4 "select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.LOWER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_3_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.UPPER_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf2"
+    
wait_table_sync("test_cache_false_lower_true_with_conf2.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf2_4_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf2.external_test_lower_with_conf.upper_with_conf"
 
     test {
@@ -401,7 +449,7 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "jdbc_url" = "${jdbcUrl}",
             "driver_url" = "${driver_url}",
             "driver_class" = "com.mysql.cj.jdbc.Driver",
-            "use_meta_cache" = "truee",
+            "use_meta_cache" = "true",
             "lower_case_meta_names" = "true",
             "only_specified_database" = "true",
             "include_database_list" = "external_test_lower_with_conf",
@@ -457,34 +505,42 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "0"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf0_1 "select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf0_2 "select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.UPPER_with_conf"
 
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf0_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_false_with_conf0_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.UPPER_with_conf"
 
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     test {
         sql "select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.Lower_with_conf"
         exception "Unknown table 'Lower_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     test {
         sql "select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.upper_with_conf"
         exception "Unknown table 'upper_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     test {
         sql "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.Lower_with_conf"
         exception "Unknown table 'Lower_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_false_with_conf0"
+    
wait_table_sync("test_cache_false_lower_false_with_conf0.external_test_lower_with_conf");
     test {
         sql "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_false_with_conf0.external_test_lower_with_conf.upper_with_conf"
         exception "Unknown table 'upper_with_conf'"
@@ -588,34 +644,42 @@ 
suite("test_lower_case_meta_with_lower_table_conf_show_and_select", "p0,external
             "only_test_lower_case_table_names" = "0"
         )"""
 
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf0_1 "select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf0_2 "select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf0_1_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.lower_with_conf"
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     qt_sql_test_cache_false_lower_true_with_conf0_2_insert "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.upper_with_conf"
 
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     test {
         sql "select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.Lower_with_conf"
         exception "Unknown table 'Lower_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     test {
         sql "select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.UPPER_with_conf"
         exception "Unknown table 'UPPER_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     test {
         sql "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.Lower_with_conf"
         exception "Unknown table 'Lower_with_conf'"
     }
 
     sql "refresh catalog test_cache_false_lower_true_with_conf0"
+    
wait_table_sync("test_cache_false_lower_true_with_conf0.external_test_lower_with_conf");
     test {
         sql "insert into 
internal.external_test_lower_with_conf.with_conf_insert select * from 
test_cache_false_lower_true_with_conf0.external_test_lower_with_conf.UPPER_with_conf"
         exception "Unknown table 'UPPER_with_conf'"
diff --git 
a/regression-test/suites/external_table_p0/lower_case/test_timing_refresh_catalog.groovy
 
b/regression-test/suites/external_table_p0/lower_case/test_timing_refresh_catalog.groovy
index a95da3b5d67..242ca1b8a53 100644
--- 
a/regression-test/suites/external_table_p0/lower_case/test_timing_refresh_catalog.groovy
+++ 
b/regression-test/suites/external_table_p0/lower_case/test_timing_refresh_catalog.groovy
@@ -15,6 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import org.awaitility.Awaitility
+
 suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external_docker_doris") {
 
     String jdbcUrl = context.config.jdbcUrl
@@ -24,6 +28,23 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
     String bucket = getS3BucketName()
     String driver_url = 
"https://${bucket}.${s3_endpoint}/regression/jdbc_driver/mysql-connector-j-8.3.0.jar";
 
+    def wait_table_sync = { String db ->
+        Awaitility.await().atMost(10, TimeUnit.SECONDS).pollInterval(1, 
TimeUnit.SECONDS).until{
+            try {
+                def res = sql "show tables from ${db}"
+                return res.size() > 0;
+            } catch (Exception e) {
+                e.printStackTrace();
+                return false;
+            }
+        }
+    }
+
+    def is_single_fe = {
+        def res = sql "show frontends";
+        return res.size() == 1;
+    }    
+
     try_sql """drop user ${jdbcUser}"""
     sql """create user ${jdbcUser} identified by '${jdbcPassword}'"""
     sql """grant all on *.*.* to ${jdbcUser}"""
@@ -53,7 +74,6 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
     sql """insert into internal.external_timing_refresh_catalog.tbl values(1, 
'lower')"""
 
     sql """drop catalog if exists test_timing_refresh_catalog1 """
-
     sql """ CREATE CATALOG `test_timing_refresh_catalog1` PROPERTIES (
             "user" = "${jdbcUser}",
             "type" = "jdbc",
@@ -68,22 +88,6 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
             "include_database_list" = "external_timing_refresh_catalog"
         )"""
 
-    sql """drop catalog if exists test_timing_refresh_catalog2 """
-
-    sql """ CREATE CATALOG `test_timing_refresh_catalog2` PROPERTIES (
-            "user" = "${jdbcUser}",
-            "type" = "jdbc",
-            "password" = "${jdbcPassword}",
-            "jdbc_url" = "${jdbcUrl}",
-            "driver_url" = "${driver_url}",
-            "driver_class" = "com.mysql.cj.jdbc.Driver",
-            "use_meta_cache" = "false",
-            "metadata_refresh_interval_seconds" = "1",
-            "lower_case_meta_names" = "true",
-            "only_specified_database" = "true",
-            "include_database_list" = "external_timing_refresh_catalog"
-        )"""
-
     test {
         def catalogName = "test_timing_refresh_catalog1"
         for (int i = 0; i < 10; i++) {
@@ -94,19 +98,37 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
         }
     }
 
-    test {
-        def catalogName = "test_timing_refresh_catalog2"
-        for (int i = 0; i < 10; i++) {
-            sql """
-                select * from 
${catalogName}.external_timing_refresh_catalog.tbl
-            """
-            Thread.sleep(1000)
+    // when "use_meta_cache" = "false", the meta sync between FEs maybe delay,
+    // and it may cause the case unstable, so only run when there is single FE
+    if (is_single_fe()) {
+        sql """drop catalog if exists test_timing_refresh_catalog2 """
+        sql """ CREATE CATALOG `test_timing_refresh_catalog2` PROPERTIES (
+                "user" = "${jdbcUser}",
+                "type" = "jdbc",
+                "password" = "${jdbcPassword}",
+                "jdbc_url" = "${jdbcUrl}",
+                "driver_url" = "${driver_url}",
+                "driver_class" = "com.mysql.cj.jdbc.Driver",
+                "use_meta_cache" = "false",
+                "metadata_refresh_interval_seconds" = "1",
+                "lower_case_meta_names" = "true",
+                "only_specified_database" = "true",
+                "include_database_list" = "external_timing_refresh_catalog"
+            )"""
+
+        test {
+            def catalogName = "test_timing_refresh_catalog2"
+            for (int i = 0; i < 10; i++) {
+                sql """
+                    select * from 
${catalogName}.external_timing_refresh_catalog.tbl
+                """
+                Thread.sleep(1000)
+            }
         }
     }
 
     // with mapping
     sql """drop catalog if exists test_timing_refresh_catalog1 """
-
     sql """ CREATE CATALOG `test_timing_refresh_catalog1` PROPERTIES (
             "user" = "${jdbcUser}",
             "type" = "jdbc",
@@ -122,23 +144,6 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
             'meta_names_mapping' = '${mapping}'
         )"""
 
-    sql """drop catalog if exists test_timing_refresh_catalog2 """
-
-    sql """ CREATE CATALOG `test_timing_refresh_catalog2` PROPERTIES (
-            "user" = "${jdbcUser}",
-            "type" = "jdbc",
-            "password" = "${jdbcPassword}",
-            "jdbc_url" = "${jdbcUrl}",
-            "driver_url" = "${driver_url}",
-            "driver_class" = "com.mysql.cj.jdbc.Driver",
-            "use_meta_cache" = "false",
-            "metadata_refresh_interval_seconds" = "1",
-            "lower_case_meta_names" = "true",
-            "only_specified_database" = "true",
-            "include_database_list" = "external_timing_refresh_catalog",
-            'meta_names_mapping' = '${mapping}'
-        )"""
-
     test {
         def catalogName = "test_timing_refresh_catalog1"
         for (int i = 0; i < 10; i++) {
@@ -149,19 +154,33 @@ suite("test_timing_refresh_catalog", 
"p0,external,doris,external_docker,external
         }
     }
 
-    test {
-        def catalogName = "test_timing_refresh_catalog2"
-        for (int i = 0; i < 10; i++) {
-            sql """
-                select id_c from ${catalogName}.db.table_t
-            """
-            Thread.sleep(1000)
+    if (is_single_fe()) {
+        sql """drop catalog if exists test_timing_refresh_catalog2 """
+        sql """ CREATE CATALOG `test_timing_refresh_catalog2` PROPERTIES (
+                "user" = "${jdbcUser}",
+                "type" = "jdbc",
+                "password" = "${jdbcPassword}",
+                "jdbc_url" = "${jdbcUrl}",
+                "driver_url" = "${driver_url}",
+                "driver_class" = "com.mysql.cj.jdbc.Driver",
+                "use_meta_cache" = "false",
+                "metadata_refresh_interval_seconds" = "1",
+                "lower_case_meta_names" = "true",
+                "only_specified_database" = "true",
+                "include_database_list" = "external_timing_refresh_catalog",
+                'meta_names_mapping' = '${mapping}'
+            )"""
+
+        test {
+            def catalogName = "test_timing_refresh_catalog2"
+            for (int i = 0; i < 10; i++) {
+                sql """
+                    select id_c from ${catalogName}.db.table_t
+                """
+                Thread.sleep(1000)
+            }
         }
     }
 
-    sql """drop catalog if exists test_timing_refresh_catalog1 """
-    sql """drop catalog if exists test_timing_refresh_catalog2 """
-    sql """drop database if exists internal.external_timing_refresh_catalog """
-
     try_sql """drop user ${jdbcUser}"""
-}
\ No newline at end of file
+}
diff --git 
a/regression-test/suites/external_table_p0/lower_case/upgrade/load.groovy 
b/regression-test/suites/external_table_p0/lower_case/upgrade/load.groovy
index ef03f97d0e2..782f7b37119 100644
--- a/regression-test/suites/external_table_p0/lower_case/upgrade/load.groovy
+++ b/regression-test/suites/external_table_p0/lower_case/upgrade/load.groovy
@@ -15,6 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import org.awaitility.Awaitility
+
 suite("test_upgrade_lower_case_catalog_prepare", 
"p0,external,doris,external_docker,external_docker_doris") {
 
     String jdbcUrl = context.config.jdbcUrl
@@ -24,6 +28,18 @@ suite("test_upgrade_lower_case_catalog_prepare", 
"p0,external,doris,external_doc
     String bucket = getS3BucketName()
     String driver_url = 
"https://${bucket}.${s3_endpoint}/regression/jdbc_driver/mysql-connector-j-8.3.0.jar";
 
+    def wait_table_sync = { String db ->
+        Awaitility.await().atMost(10, TimeUnit.SECONDS).pollInterval(1, 
TimeUnit.SECONDS).until{
+            try {
+                def res = sql "show tables from ${db}"
+                return res.size() > 0;
+            } catch (Exception e) {
+                e.printStackTrace();
+                return false;
+            }
+        }
+    }
+
     try_sql """drop user ${jdbcUser}"""
     sql """create user ${jdbcUser} identified by '${jdbcPassword}'"""
     sql """grant all on *.*.* to ${jdbcUser}"""
@@ -63,6 +79,7 @@ suite("test_upgrade_lower_case_catalog_prepare", 
"p0,external,doris,external_doc
             "include_database_list" = 
"upgrade_lower_case_catalog_lower,upgrade_lower_case_catalog_UPPER"
         )"""
 
+    
wait_table_sync("test_upgrade_lower_case_catalog.upgrade_lower_case_catalog_lower")
     test {
         sql """show databases from test_upgrade_lower_case_catalog"""
 


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