Rotate files while the service is running.

[nssm.git] / README.txt

diff --git a/README.txt b/README.txt
index 830ca67..3769d4c 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -314,6 +314,15 @@ Rotation is independent of the CreateFile() parameters used to open the files.
 They will be rotated regardless of whether NSSM would otherwise have appended\r
 or replaced them.\r
 \r
+NSSM can also rotate files which hit the configured size threshold while the\r
+service is running.  To enable this feature, set AppRotateOnline to a non-zero\r
+value.\r
+\r
+Note that online rotation requires NSSM to intercept the application's I/O\r
+and create the output files on its behalf.  This is more complex and\r
+error-prone than simply redirecting the I/O streams before launching the\r
+application.  Therefore online rotation is not enabled by default.\r
+\r
 \r
 Environment variables\r
 ---------------------\r