qihaiyan commented on code in PR #7749:
URL: https://github.com/apache/apisix/pull/7749#discussion_r951293942


##########
apisix/plugins/log-rotate.lua:
##########
@@ -251,7 +263,18 @@ local function rotate()
     if now_time < rotate_time then
         -- did not reach the rotate time
         core.log.info("rotate time: ", rotate_time, " now time: ", now_time)
-        return
+
+        local log_file = 
assert(io_open(default_logs[DEFAULT_ACCESS_LOG_FILENAME].file, "r"))
+        local access_log_file_size = file_size(log_file)
+        log_file:close()
+
+        log_file = 
assert(io_open(default_logs[DEFAULT_ERROR_LOG_FILENAME].file, "r"))
+        local error_log_file_size = file_size(log_file)
+        log_file:close()
+
+        if max_size <= 0 or access_log_file_size < max_size and 
error_log_file_size < max_size then

Review Comment:
   done



##########
docs/en/latest/plugins/log-rotate.md:
##########
@@ -39,6 +39,7 @@ You can configure how often the logs are rotated and how many 
logs to keep. When
 
|--------------------|---------|----------|---------|------------------------------------------------------------------------------------------------|
 | interval           | integer | True     | 60 * 60 | Time in seconds 
specifying how often to rotate the logs.                                       |
 | max_kept           | integer | True     | 24 * 7  | Maximum number of 
historical logs to keep. If this number is exceeded, older logs are deleted. |
+| max_size           | integer | False    | -1      | Max size(Bytes) of log 
files to be rotated, size check would be skipped with a value less than 0. |

Review Comment:
   done



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