DAOS-16866 bio: reduce pre-alloc

Reduce DMA buffer pre-alloc from 60% to 50%, because we observed pre-alloc failures in CI tests. (probably because of memory fragmentation on some test nodes). Signed-off-by: Niu Yawei <[email protected]>
daos-stack · Jan 10, 2025 · 2414cc2 · 2414cc2
1 parent 76d881c
commit 2414cc2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/bio/bio_xstream.c b/src/bio/bio_xstream.c
@@ -32,7 +32,7 @@
 /* SPDK blob parameters */
 #define DAOS_BS_CLUSTER_SZ	(1ULL << 25)	/* 32MB */
 /* DMA buffer parameters */
-#define DAOS_DMA_CHUNK_INIT_PCT	60	/* Default pre-xstream init chunks, in percentage */
+#define DAOS_DMA_CHUNK_INIT_PCT 50      /* Default pre-xstream init chunks, in percentage */
 #define DAOS_DMA_CHUNK_CNT_MAX	128	/* Default per-xstream max chunks, 1GB */
 #define DAOS_DMA_CHUNK_CNT_MIN	32	/* Per-xstream min chunks, 256MB */