Minor tweaks.

src/knot/common.h

@@ -35,12 +35,12 @@ typedef unsigned int uint; /*!< \brief Unsigned. */
  * Server.
  */
 
-#define CPU_ESTIMATE_MAGIC 2 /*!< \brief Extra threads to the number of cores.*/
+#define CPU_ESTIMATE_MAGIC 0 /*!< \brief Extra threads to the number of cores.*/
 #define DEFAULT_THR_COUNT 2  /*!< \brief Default thread count. */
 #define DEFAULT_PORT 53531   /*!< \brief Default interface port. */
 #define TCP_BACKLOG_SIZE 5   /*!< \brief TCP listen backlog size. */
 #define XFR_THREADS_COUNT 3  /*!< \brief Number of threads for XFR handler. */
-#define RECVMMSG_BATCHLEN 10 /*!< \brief Define for recvmmsg() batch size. */
+#define RECVMMSG_BATCHLEN 32 /*!< \brief Define for recvmmsg() batch size. */
 
 ///*! \brief If defined, zone structures will use hash table for lookup. */
 //#define COMPRESSION_PEDANTIC