From 2ced21c837006053542b9f04c338faebf504f413 Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Tue, 23 Feb 2021 07:52:01 +0300
Subject: [PATCH] Decrease number of stored stack frame pointers to fit into
 512 PIPE_BUF

---
 src/Common/StackTrace.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Common/StackTrace.h b/src/Common/StackTrace.h
index 58660f9e4da..35df77b6b8a 100644
--- a/src/Common/StackTrace.h
+++ b/src/Common/StackTrace.h
@@ -37,8 +37,12 @@ public:
 
     static constexpr size_t capacity =
 #ifndef NDEBUG
-        /* The stacks are normally larger in debug version due to less inlining. */
-        64
+        /* The stacks are normally larger in debug version due to less inlining.
+         *
+         * NOTE: it cannot be larger then 56 right now, since otherwise it will
+         * not fit into minimal PIPE_BUF (512) in TraceCollector.
+         */
+        56
 #else
         32
 #endif