[fix](fe-log) add position info in async mode

fe/fe-common/src/main/java/org/apache/doris/common/Config.java

@@ -72,13 +72,13 @@ public class Config extends ConfigBase {
     @ConfField(description = {"FE 日志的级别", "The level of FE log"}, options = {"INFO", "WARN", "ERROR", "FATAL"})
     public static String sys_log_level = "INFO";
 
-    @ConfField(description = {"FE 日志的输出模式，其中 NORMAL 模式是日志同步输出且包含位置信息，BRIEF 模式是日志同步输出"
-                    + "但不包含位置信息，ASYNC 模式为默认的输出模式，是日志异步输出且不包含位置信息，三种日志输出模式的性能依次递增",
-            "The output mode of FE log, and NORMAL mode means the logs are synchronized and contain location "
-                    + "information. BRIEF mode is synchronized and does not contain location information. "
-                    + "ASYNC mode is the default output mode, which is asynchronous and does not contain "
-                    + "location information. The performance of the three log output modes increases in sequence"},
-            options = {"NORMAL", "BRIEF", "ASYNC"})
+    @ConfField(description = {"FE 日志的输出模式，其中 NORMAL 模式是日志同步输出且包含位置信息；ASYNC 模式为默认模式，日志异步输出"
+            + "且包含位置信息；BRIEF 是日志异步输出但不包含位置信息，三种日志输出模式的性能依次递增",
+            "The output mode of FE log. NORMAL mode is synchronous output with location information; "
+                    + "ASYNC mode is the default mode, asynchronous output with location information; "
+                    + "BRIEF is asynchronous output without location information. "
+                    + "The performance of the three log output modes increases in turn"},
+            options = {"NORMAL", "ASYNC", "BRIEF"})
     public static String sys_log_mode = "ASYNC";
 
     @ConfField(description = {"FE 日志文件的最大数量。超过这个数量后，最老的日志文件会被删除",

fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java

@@ -298,8 +298,13 @@ private static void reconfig() throws IOException {
         properties.put("warn_sys_accumulated_file_size", String.valueOf(Config.warn_sys_accumulated_file_size));
         properties.put("audit_sys_accumulated_file_size", String.valueOf(Config.audit_sys_accumulated_file_size));
 
-        properties.put("include_location_flag", sysLogMode.equalsIgnoreCase("NORMAL") ? "true" : "false");
-        properties.put("immediate_flush_flag", sysLogMode.equalsIgnoreCase("ASYNC") ? "false" : "true");
+        // BRIEF: async, no location
+        // ASYNC: async, with location
+        // NORMAL: sync, with location
+        boolean includeLocation = !sysLogMode.equalsIgnoreCase("BRIEF");
+        boolean immediateFlush = sysLogMode.equalsIgnoreCase("NORMAL");
+        properties.put("include_location_flag", Boolean.toString(includeLocation));
+        properties.put("immediate_flush_flag", Boolean.toString(immediateFlush));
         properties.put("audit_file_postfix", compressAuditLog ? ".gz" : "");
 
         strSub = new StrSubstitutor(new Interpolator(properties));