From 9a409c7b14bdf331c70e2de9ef5984da660374db Mon Sep 17 00:00:00 2001 From: drrtuy Date: Fri, 26 Jul 2024 08:53:13 +0100 Subject: [PATCH] fix: incresed constant to enable higher values for 95percentile in the output --- src/sb_logger.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/sb_logger.c b/src/sb_logger.c index 7fe1c30d6..17d8b0be0 100644 --- a/src/sb_logger.c +++ b/src/sb_logger.c @@ -44,11 +44,13 @@ /* Use 1024-element array for latency histogram tracking values between 0.001 - milliseconds and 100 seconds. + milliseconds and 1800 seconds. + OPER_LOG_MAX_VALUE set to 30 mins might be not big enough to properly + handle 95percentile stats for long-lasting tasks, e.g. OLAP queries. */ #define OPER_LOG_GRANULARITY 1024 #define OPER_LOG_MIN_VALUE 1e-3 -#define OPER_LOG_MAX_VALUE 1E5 +#define OPER_LOG_MAX_VALUE 1.8E5 /* Array of message handlers (one chain per message type) */