From 08eb15c75f7815736d0bacf7b18f4ab96676cbfa Mon Sep 17 00:00:00 2001
From: Uwe Schulzweida <uwe.schulzweida@mpimet.mpg.de>
Date: Sun, 30 Mar 2025 17:57:36 +0200
Subject: [PATCH] changed chunkSizeLim from 16mb to 4mb

---
 ChangeLog       | 4 ++++
 src/cdf_write.c | 5 +++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index b110284d9..01df149ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2025-03-30  Uwe Schulzweida
+
+	* changed chunkSizeLim from 16mb to 4mb
+
 2025-03-27  Uwe Schulzweida
 
 	* vlistChangeZaxis: added call to delete_chunks() (bug fix)
diff --git a/src/cdf_write.c b/src/cdf_write.c
index 4e5ece4fb..d8bec6868 100644
--- a/src/cdf_write.c
+++ b/src/cdf_write.c
@@ -701,8 +701,9 @@ calc_chunksize(size_t chunkSizeLim, size_t size)
   return chunkSize;
 }
 
-static const size_t chunkSizeMin = 262144;    // 256k
-static const size_t chunkSizeLim = 16777216;  // 16m
+static const size_t chunkSizeMin = 262144;  // 256kb
+// static const size_t chunkSizeLim = 16777216;  // 16mb
+static const size_t chunkSizeLim = 4194304;  // 4mb
 
 size_t
 auto_chunksize_y(size_t gridsize, size_t xsize, size_t ysize)
-- 
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