DAOS-16918 iv: change debug level for IV messages (#15703)

Change the debug level of two IV log messages from INFO to DEBUG.

Signed-off-by: Niu Yawei <[email protected]>

src/cart/crt_iv.c

@@ -1,5 +1,6 @@
 /*
  * (C) Copyright 2016-2024 Intel Corporation.
+ * (C) Copyright 2025 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -3513,8 +3514,8 @@ crt_iv_update_internal(crt_iv_namespace_t ivns, uint32_t class_id,
 
 		D_GOTO(exit, rc);
 	} else {
-		DL_CDEBUG(rc == -DER_NONEXIST || rc == -DER_NOTLEADER || rc == -DER_BUSY,
-			  DLOG_INFO, DLOG_ERR, rc, "ivo_on_update failed");
+		DL_CDEBUG(rc == -DER_NONEXIST || rc == -DER_NOTLEADER || rc == -DER_BUSY, DB_TRACE,
+			  DLOG_ERR, rc, "ivo_on_update failed");
 
 		update_comp_cb(ivns, class_id, iv_key, NULL,
 			       iv_value, rc, cb_arg);

src/engine/server_iv.c

@@ -1099,9 +1099,9 @@ _iv_op(struct ds_iv_ns *ns, struct ds_iv_key *key, d_sg_list_t *value,
 		 * reply IVCB_FORWARD.
 		 */
 		if (total_ms % 10000 == 0)
-			D_INFO("ns %u retry for class %d opc %d rank %u/%u: " DF_RC "\n",
-			       ns->iv_ns_id, key->class_id, opc, key->rank, ns->iv_master_rank,
-			       DP_RC(rc));
+			D_DEBUG(DB_TRACE, "ns %u retry for class %d opc %d rank %u/%u: " DF_RC "\n",
+				ns->iv_ns_id, key->class_id, opc, key->rank, ns->iv_master_rank,
+				DP_RC(rc));
 
 		dss_sleep(sleep_ms);
 		total_ms += sleep_ms;