diff --git a/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.result b/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.result
index 18badf93f1..999271da8d 100644
--- a/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.result
+++ b/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.result
@@ -6,11 +6,11 @@ INSERT INTO demo(host, cpu, memory, ts) values ('host1', 66.6, 1024, 16552765570
 
 Affected Rows: 2
 
-COPY DATABASE public TO '/tmp/demo/export/parquet/' WITH (FORMAT="parquet");
+COPY DATABASE public TO '${SQLNESS_HOME}/demo/export/parquet/' WITH (FORMAT="parquet");
 
 Affected Rows: 2
 
-COPY DATABASE public TO '/tmp/demo/export/parquet_range/' WITH (FORMAT="parquet", start_time='2022-06-15 07:02:37.000Z', end_time='2022-06-15 07:02:37.1Z');
+COPY DATABASE public TO '${SQLNESS_HOME}/demo/export/parquet_range/' WITH (FORMAT="parquet", start_time='2022-06-15 07:02:37.000Z', end_time='2022-06-15 07:02:37.1Z');
 
 Affected Rows: 1
 
@@ -23,7 +23,7 @@ SELECT * FROM demo ORDER BY ts;
 ++
 ++
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet/';
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet/';
 
 Affected Rows: 2
 
@@ -40,7 +40,7 @@ DELETE FROM demo;
 
 Affected Rows: 2
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet_range/';
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet_range/';
 
 Affected Rows: 1
 
@@ -56,7 +56,7 @@ DELETE FROM demo;
 
 Affected Rows: 1
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet_range/' LIMIT 2;
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet_range/' LIMIT 2;
 
 Error: 2000(InvalidSyntax), Invalid SQL, error: limit is not supported
 
diff --git a/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.sql b/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.sql
index 5d3716dc22..671070e07b 100644
--- a/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.sql
+++ b/tests/cases/standalone/common/copy/copy_database_from_fs_parquet.sql
@@ -2,26 +2,26 @@ CREATE TABLE demo(host string, cpu double, memory double, ts TIMESTAMP time inde
 
 INSERT INTO demo(host, cpu, memory, ts) values ('host1', 66.6, 1024, 1655276557000), ('host2', 88.8,  333.3, 1655276558000);
 
-COPY DATABASE public TO '/tmp/demo/export/parquet/' WITH (FORMAT="parquet");
+COPY DATABASE public TO '${SQLNESS_HOME}/demo/export/parquet/' WITH (FORMAT="parquet");
 
-COPY DATABASE public TO '/tmp/demo/export/parquet_range/' WITH (FORMAT="parquet", start_time='2022-06-15 07:02:37.000Z', end_time='2022-06-15 07:02:37.1Z');
+COPY DATABASE public TO '${SQLNESS_HOME}/demo/export/parquet_range/' WITH (FORMAT="parquet", start_time='2022-06-15 07:02:37.000Z', end_time='2022-06-15 07:02:37.1Z');
 
 DELETE FROM demo;
 
 SELECT * FROM demo ORDER BY ts;
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet/';
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet/';
 
 SELECT * FROM demo ORDER BY ts;
 
 DELETE FROM demo;
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet_range/';
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet_range/';
 
 SELECT * FROM demo ORDER BY ts;
 
 DELETE FROM demo;
 
-COPY DATABASE public FROM '/tmp/demo/export/parquet_range/' LIMIT 2;
+COPY DATABASE public FROM '${SQLNESS_HOME}/demo/export/parquet_range/' LIMIT 2;
 
 DROP TABLE demo;
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_csv.result b/tests/cases/standalone/common/copy/copy_from_fs_csv.result
index 19b3fda3f9..f412677a32 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_csv.result
+++ b/tests/cases/standalone/common/copy/copy_from_fs_csv.result
@@ -11,7 +11,7 @@ values
 
 Affected Rows: 3
 
-Copy demo TO '/tmp/demo/export/csv/demo.csv' with (format='csv');
+Copy demo TO '${SQLNESS_HOME}/demo/export/csv/demo.csv' with (format='csv');
 
 Affected Rows: 3
 
@@ -19,7 +19,7 @@ CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp
 
 Affected Rows: 0
 
-Copy with_filename FROM '/tmp/demo/export/csv/demo.csv' with (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/csv/demo.csv' with (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
@@ -36,7 +36,7 @@ CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time
 
 Affected Rows: 0
 
-Copy with_path FROM '/tmp/demo/export/csv/' with (format='csv', start_time='2023-06-15 07:02:37');
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/csv/' with (format='csv', start_time='2023-06-15 07:02:37');
 
 Affected Rows: 1
 
@@ -52,7 +52,7 @@ CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp t
 
 Affected Rows: 0
 
-Copy with_pattern FROM '/tmp/demo/export/csv/' WITH (pattern = 'demo.*', format='csv', end_time='2025-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/csv/' WITH (pattern = 'demo.*', format='csv', end_time='2025-06-15 07:02:39');
 
 Affected Rows: 3
 
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_csv.sql b/tests/cases/standalone/common/copy/copy_from_fs_csv.sql
index cd6b91f4f8..f2c6ccf5bd 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_csv.sql
+++ b/tests/cases/standalone/common/copy/copy_from_fs_csv.sql
@@ -7,23 +7,23 @@ values
     ('host2', 88.8, 333.3, 1655276558000),
     ('host3', 99.9, 444.4, 1722077263000);
 
-Copy demo TO '/tmp/demo/export/csv/demo.csv' with (format='csv');
+Copy demo TO '${SQLNESS_HOME}/demo/export/csv/demo.csv' with (format='csv');
 
 CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_filename FROM '/tmp/demo/export/csv/demo.csv' with (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/csv/demo.csv' with (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 select * from with_filename order by ts;
 
 CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_path FROM '/tmp/demo/export/csv/' with (format='csv', start_time='2023-06-15 07:02:37');
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/csv/' with (format='csv', start_time='2023-06-15 07:02:37');
 
 select * from with_path order by ts;
 
 CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_pattern FROM '/tmp/demo/export/csv/' WITH (pattern = 'demo.*', format='csv', end_time='2025-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/csv/' WITH (pattern = 'demo.*', format='csv', end_time='2025-06-15 07:02:39');
 
 select * from with_pattern order by ts;
 
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_json.result b/tests/cases/standalone/common/copy/copy_from_fs_json.result
index bd71b5d624..e1e3a810d5 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_json.result
+++ b/tests/cases/standalone/common/copy/copy_from_fs_json.result
@@ -11,7 +11,7 @@ values
 
 Affected Rows: 3
 
-Copy demo TO '/tmp/demo/export/json/demo.json' with (format='json');
+Copy demo TO '${SQLNESS_HOME}/demo/export/json/demo.json' with (format='json');
 
 Affected Rows: 3
 
@@ -19,7 +19,7 @@ CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp
 
 Affected Rows: 0
 
-Copy with_filename FROM '/tmp/demo/export/json/demo.json' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/json/demo.json' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
@@ -36,7 +36,7 @@ CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time
 
 Affected Rows: 0
 
-Copy with_path FROM '/tmp/demo/export/json/' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/json/' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
@@ -53,7 +53,7 @@ CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp t
 
 Affected Rows: 0
 
-Copy with_pattern FROM '/tmp/demo/export/json/' WITH (pattern = 'demo.*',format='json', end_time='2022-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/json/' WITH (pattern = 'demo.*',format='json', end_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_json.sql b/tests/cases/standalone/common/copy/copy_from_fs_json.sql
index c182bb82dc..55e8a55ebf 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_json.sql
+++ b/tests/cases/standalone/common/copy/copy_from_fs_json.sql
@@ -7,23 +7,23 @@ values
     ('host2', 88.8,  333.3, 1655276558000),
     ('host3', 99.9, 444.4, 1722077263000);
 
-Copy demo TO '/tmp/demo/export/json/demo.json' with (format='json');
+Copy demo TO '${SQLNESS_HOME}/demo/export/json/demo.json' with (format='json');
 
 CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_filename FROM '/tmp/demo/export/json/demo.json' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/json/demo.json' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 select * from with_filename order by ts;
 
 CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_path FROM '/tmp/demo/export/json/' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/json/' with (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 select * from with_path order by ts;
 
 CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_pattern FROM '/tmp/demo/export/json/' WITH (pattern = 'demo.*',format='json', end_time='2022-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/json/' WITH (pattern = 'demo.*',format='json', end_time='2022-06-15 07:02:39');
 
 select * from with_pattern order by ts;
 
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_parquet.result b/tests/cases/standalone/common/copy/copy_from_fs_parquet.result
index 82299d48b3..44e1422d5b 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_parquet.result
+++ b/tests/cases/standalone/common/copy/copy_from_fs_parquet.result
@@ -24,11 +24,11 @@ values
 
 Affected Rows: 3
 
-Copy demo TO '/tmp/demo/export/parquet_files/demo.parquet';
+Copy demo TO '${SQLNESS_HOME}/demo/export/parquet_files/demo.parquet';
 
 Affected Rows: 3
 
-Copy demo_2 TO '/tmp/demo/export/parquet_files/demo_2.parquet';
+Copy demo_2 TO '${SQLNESS_HOME}/demo/export/parquet_files/demo_2.parquet';
 
 Affected Rows: 3
 
@@ -36,7 +36,7 @@ CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp
 
 Affected Rows: 0
 
-Copy with_filename FROM '/tmp/demo/export/parquet_files/demo.parquet' with (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/parquet_files/demo.parquet' with (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
@@ -53,7 +53,7 @@ CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time
 
 Affected Rows: 0
 
-Copy with_path FROM '/tmp/demo/export/parquet_files/';
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/parquet_files/';
 
 Affected Rows: 6
 
@@ -74,7 +74,7 @@ CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp t
 
 Affected Rows: 0
 
-Copy with_pattern FROM '/tmp/demo/export/parquet_files/' WITH (PATTERN = 'demo.*', start_time='2022-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/parquet_files/' WITH (PATTERN = 'demo.*', start_time='2022-06-15 07:02:39');
 
 Affected Rows: 2
 
@@ -91,7 +91,7 @@ CREATE TABLE without_limit_rows(host string, cpu double, memory double, ts times
 
 Affected Rows: 0
 
-Copy without_limit_rows FROM '/tmp/demo/export/parquet_files/';
+Copy without_limit_rows FROM '${SQLNESS_HOME}/demo/export/parquet_files/';
 
 Affected Rows: 6
 
@@ -107,7 +107,7 @@ CREATE TABLE with_limit_rows_segment(host string, cpu double, memory double, ts
 
 Affected Rows: 0
 
-Copy with_limit_rows_segment FROM '/tmp/demo/export/parquet_files/' LIMIT 3;
+Copy with_limit_rows_segment FROM '${SQLNESS_HOME}/demo/export/parquet_files/' LIMIT 3;
 
 Affected Rows: 3
 
@@ -119,9 +119,9 @@ select count(*) from with_limit_rows_segment;
 | 3        |
 +----------+
 
-Copy with_limit_rows_segment FROM '/tmp/demo/export/parquet_files/' LIMIT hello;
+Copy with_limit_rows_segment FROM '${SQLNESS_HOME}/demo/export/parquet_files/' LIMIT hello;
 
-Error: 2000(InvalidSyntax), Unexpected token while parsing SQL statement, expected: 'the number of maximum rows', found: ;: sql parser error: Expected literal int, found: hello at Line: 1, Column 75
+Error: 2000(InvalidSyntax), Unexpected token while parsing SQL statement, expected: 'the number of maximum rows', found: ;: sql parser error: Expected literal int, found: hello at Line: 1, Column 86
 
 drop table demo;
 
diff --git a/tests/cases/standalone/common/copy/copy_from_fs_parquet.sql b/tests/cases/standalone/common/copy/copy_from_fs_parquet.sql
index 10319e1281..0db5e119d8 100644
--- a/tests/cases/standalone/common/copy/copy_from_fs_parquet.sql
+++ b/tests/cases/standalone/common/copy/copy_from_fs_parquet.sql
@@ -16,41 +16,41 @@ values
     ('host5', 99.9, 444.4, 1655276556000),
     ('host6', 222.2, 555.5, 1722077264000);
 
-Copy demo TO '/tmp/demo/export/parquet_files/demo.parquet';
+Copy demo TO '${SQLNESS_HOME}/demo/export/parquet_files/demo.parquet';
 
-Copy demo_2 TO '/tmp/demo/export/parquet_files/demo_2.parquet';
+Copy demo_2 TO '${SQLNESS_HOME}/demo/export/parquet_files/demo_2.parquet';
 
 CREATE TABLE with_filename(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_filename FROM '/tmp/demo/export/parquet_files/demo.parquet' with (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
+Copy with_filename FROM '${SQLNESS_HOME}/demo/export/parquet_files/demo.parquet' with (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:39');
 
 select * from with_filename order by ts;
 
 CREATE TABLE with_path(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_path FROM '/tmp/demo/export/parquet_files/';
+Copy with_path FROM '${SQLNESS_HOME}/demo/export/parquet_files/';
 
 select * from with_path order by ts;
 
 CREATE TABLE with_pattern(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_pattern FROM '/tmp/demo/export/parquet_files/' WITH (PATTERN = 'demo.*', start_time='2022-06-15 07:02:39');
+Copy with_pattern FROM '${SQLNESS_HOME}/demo/export/parquet_files/' WITH (PATTERN = 'demo.*', start_time='2022-06-15 07:02:39');
 
 select * from with_pattern order by ts;
 
 CREATE TABLE without_limit_rows(host string, cpu double, memory double, ts timestamp time index);
 
-Copy without_limit_rows FROM '/tmp/demo/export/parquet_files/';
+Copy without_limit_rows FROM '${SQLNESS_HOME}/demo/export/parquet_files/';
 
 select count(*) from without_limit_rows;
 
 CREATE TABLE with_limit_rows_segment(host string, cpu double, memory double, ts timestamp time index);
 
-Copy with_limit_rows_segment FROM '/tmp/demo/export/parquet_files/' LIMIT 3;
+Copy with_limit_rows_segment FROM '${SQLNESS_HOME}/demo/export/parquet_files/' LIMIT 3;
 
 select count(*) from with_limit_rows_segment;
 
-Copy with_limit_rows_segment FROM '/tmp/demo/export/parquet_files/' LIMIT hello;
+Copy with_limit_rows_segment FROM '${SQLNESS_HOME}/demo/export/parquet_files/' LIMIT hello;
 
 drop table demo;
 
diff --git a/tests/cases/standalone/common/copy/copy_to_fs.result b/tests/cases/standalone/common/copy/copy_to_fs.result
index f6bdc22a20..a3b73ab4ad 100644
--- a/tests/cases/standalone/common/copy/copy_to_fs.result
+++ b/tests/cases/standalone/common/copy/copy_to_fs.result
@@ -6,15 +6,15 @@ insert into demo(host, cpu, memory, ts) values ('host1', 66.6, 1024, 16552765570
 
 Affected Rows: 2
 
-COPY demo TO '/tmp/export/demo.parquet' WITH (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.parquet' WITH (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
 Affected Rows: 1
 
-COPY demo TO '/tmp/export/demo.csv' WITH (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.csv' WITH (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
 Affected Rows: 1
 
-COPY demo TO '/tmp/export/demo.json' WITH (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.json' WITH (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
 Affected Rows: 1
 
diff --git a/tests/cases/standalone/common/copy/copy_to_fs.sql b/tests/cases/standalone/common/copy/copy_to_fs.sql
index d095c2d795..82e3ae1fb3 100644
--- a/tests/cases/standalone/common/copy/copy_to_fs.sql
+++ b/tests/cases/standalone/common/copy/copy_to_fs.sql
@@ -2,10 +2,10 @@ CREATE TABLE demo(host string, cpu DOUBLE, memory DOUBLE, ts TIMESTAMP TIME INDE
 
 insert into demo(host, cpu, memory, ts) values ('host1', 66.6, 1024, 1655276557000), ('host2', 88.8,  333.3, 1655276558000);
 
-COPY demo TO '/tmp/export/demo.parquet' WITH (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.parquet' WITH (start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
-COPY demo TO '/tmp/export/demo.csv' WITH (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.csv' WITH (format='csv', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
-COPY demo TO '/tmp/export/demo.json' WITH (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
+COPY demo TO '${SQLNESS_HOME}/export/demo.json' WITH (format='json', start_time='2022-06-15 07:02:37', end_time='2022-06-15 07:02:38');
 
 drop table demo;
diff --git a/tests/runner/src/env.rs b/tests/runner/src/env.rs
index d8ed5713f5..9d71489f8c 100644
--- a/tests/runner/src/env.rs
+++ b/tests/runner/src/env.rs
@@ -54,7 +54,7 @@ pub enum WalConfig {
 
 #[derive(Clone)]
 pub struct Env {
-    data_home: PathBuf,
+    sqlness_home: PathBuf,
     server_addr: Option<String>,
     wal: WalConfig,
 
@@ -69,6 +69,7 @@ impl EnvController for Env {
     type DB = GreptimeDB;
 
     async fn start(&self, mode: &str, _config: Option<&Path>) -> Self::DB {
+        std::env::set_var("SQLNESS_HOME", self.sqlness_home.display().to_string());
         match mode {
             "standalone" => self.start_standalone().await,
             "distributed" => self.start_distributed().await,
@@ -90,7 +91,7 @@ impl Env {
         bins_dir: Option<PathBuf>,
     ) -> Self {
         Self {
-            data_home,
+            sqlness_home: data_home,
             server_addr,
             wal,
             bins_dir: Arc::new(Mutex::new(bins_dir)),
@@ -204,26 +205,30 @@ impl Env {
             "standalone" => "greptime-sqlness-standalone.log".to_string(),
             _ => panic!("Unexpected subcommand: {subcommand}"),
         };
-        let log_file_name = self.data_home.join(log_file_name).display().to_string();
+        let stdout_file_name = self.sqlness_home.join(log_file_name).display().to_string();
 
-        println!("{subcommand} log file at {log_file_name}");
+        println!("{subcommand} log file at {stdout_file_name}");
 
-        let log_file = OpenOptions::new()
+        let stdout_file = OpenOptions::new()
             .create(true)
             .write(true)
             .truncate(truncate_log)
             .append(!truncate_log)
-            .open(log_file_name)
+            .open(stdout_file_name)
             .unwrap();
 
         let (args, check_ip_addr) = match subcommand {
             "datanode" => self.datanode_start_args(db_ctx),
-            "flownode" => self.flownode_start_args(db_ctx),
+            "flownode" => self.flownode_start_args(db_ctx, &self.sqlness_home),
             "standalone" => {
                 let args = vec![
                     DEFAULT_LOG_LEVEL.to_string(),
                     subcommand.to_string(),
                     "start".to_string(),
+                    format!(
+                        "--log-dir={}/greptimedb-flownode/logs",
+                        self.sqlness_home.display()
+                    ),
                     "-c".to_string(),
                     self.generate_config_file(subcommand, db_ctx),
                     "--http-addr=127.0.0.1:5002".to_string(),
@@ -237,6 +242,10 @@ impl Env {
                     "start".to_string(),
                     "--metasrv-addrs=127.0.0.1:3002".to_string(),
                     "--http-addr=127.0.0.1:5003".to_string(),
+                    format!(
+                        "--log-dir={}/greptimedb-frontend/logs",
+                        self.sqlness_home.display()
+                    ),
                 ];
                 (args, SERVER_ADDR.to_string())
             }
@@ -250,6 +259,10 @@ impl Env {
                     "--enable-region-failover".to_string(),
                     "false".to_string(),
                     "--http-addr=127.0.0.1:5002".to_string(),
+                    format!(
+                        "--log-dir={}/greptimedb-metasrv/logs",
+                        self.sqlness_home.display()
+                    ),
                     "-c".to_string(),
                     self.generate_config_file(subcommand, db_ctx),
                 ];
@@ -278,7 +291,7 @@ impl Env {
             .current_dir(bins_dir)
             .env("TZ", "UTC")
             .args(args)
-            .stdout(log_file)
+            .stdout(stdout_file)
             .spawn()
             .unwrap_or_else(|error| {
                 panic!("Failed to start the DB with subcommand {subcommand},Error: {error}")
@@ -296,7 +309,7 @@ impl Env {
         let id = db_ctx.datanode_id();
 
         let data_home = self
-            .data_home
+            .sqlness_home
             .join(format!("greptimedb_datanode_{}_{id}", db_ctx.time));
 
         let subcommand = "datanode";
@@ -308,6 +321,7 @@ impl Env {
         args.push(format!("--rpc-addr=127.0.0.1:410{id}"));
         args.push(format!("--http-addr=127.0.0.1:430{id}"));
         args.push(format!("--data-home={}", data_home.display()));
+        args.push(format!("--log-dir={}/logs", data_home.display()));
         args.push(format!("--node-id={id}"));
         args.push("-c".to_string());
         args.push(self.generate_config_file(subcommand, db_ctx));
@@ -315,7 +329,11 @@ impl Env {
         (args, format!("127.0.0.1:410{id}"))
     }
 
-    fn flownode_start_args(&self, _db_ctx: &GreptimeDBContext) -> (Vec<String>, String) {
+    fn flownode_start_args(
+        &self,
+        _db_ctx: &GreptimeDBContext,
+        sqlness_home: &Path,
+    ) -> (Vec<String>, String) {
         let id = 0;
 
         let subcommand = "flownode";
@@ -326,6 +344,10 @@ impl Env {
         ];
         args.push(format!("--rpc-addr=127.0.0.1:680{id}"));
         args.push(format!("--node-id={id}"));
+        args.push(format!(
+            "--log-dir={}/greptimedb-flownode/logs",
+            sqlness_home.display()
+        ));
         args.push("--metasrv-addrs=127.0.0.1:3002".to_string());
         (args, format!("127.0.0.1:680{id}"))
     }
@@ -387,7 +409,7 @@ impl Env {
             kafka_wal_broker_endpoints: String,
         }
 
-        let data_home = self.data_home.join(format!("greptimedb-{subcommand}"));
+        let data_home = self.sqlness_home.join(format!("greptimedb-{subcommand}"));
         std::fs::create_dir_all(data_home.as_path()).unwrap();
 
         let wal_dir = data_home.join("wal").display().to_string();
diff --git a/tests/runner/src/main.rs b/tests/runner/src/main.rs
index 1684962645..4474676802 100644
--- a/tests/runner/src/main.rs
+++ b/tests/runner/src/main.rs
@@ -82,7 +82,7 @@ async fn main() {
         .prefix("sqlness")
         .tempdir()
         .unwrap();
-    let data_home = temp_dir.into_path();
+    let sqlness_home = temp_dir.into_path();
 
     let config = ConfigBuilder::default()
         .case_dir(util::get_case_dir(args.case_dir))
@@ -107,13 +107,13 @@ async fn main() {
 
     let runner = Runner::new(
         config,
-        Env::new(data_home.clone(), args.server_addr, wal, args.bins_dir),
+        Env::new(sqlness_home.clone(), args.server_addr, wal, args.bins_dir),
     );
     runner.run().await.unwrap();
 
     // clean up and exit
     if !args.preserve_state {
-        println!("Removing state in {:?}", data_home);
-        tokio::fs::remove_dir_all(data_home).await.unwrap();
+        println!("Removing state in {:?}", sqlness_home);
+        tokio::fs::remove_dir_all(sqlness_home).await.unwrap();
     }
 }