Increase PACKETS_PER_BUFFER to 65536

1) This mainly increase PACKETS_PER_BUFFER to 65536 to reduce the
frequency of TCP client acks.

2) Also kills TCP_BUFF_SIZE and define each buffer size in a
more intuitive way.

3) Free more unused memory to prevent being killed by oom-killer
after enlarged PACKETS_PER_BUFFER.

4) Increase client's select() timeout to 20 secs, since we encountered
timeout due to CPU busy in the same BM but with 20 VMs.

Tested this PS in a 10 VM node env, and it can multicast a 2.7G
file to 10 VMs in 6 minutes, while unicast needs 30+ minutes.

Change-Id: Iaf862fb1f1259cc770f720ccdd95dcc281aef262
Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>

1 files changed, 4 insertions, 1 deletions

diff --git a/code/jasmine/buffer.h b/code/jasmine/buffer.h
index e899fe62..c0b527e3 100755
--- a/code/jasmine/buffer.h
+++ b/code/jasmine/buffer.h
@@ -21,7 +21,7 @@
 /* Exclude padding */
 #define PACKET_PAYLOAD_SIZE (((PACKET_SIZE) - sizeof(struct packet_ctl)) & ~0x3)
 
-#define PACKETS_PER_BUFFER 1024
+#define PACKETS_PER_BUFFER 65536
 
 #define DEF_PORT 18383 /* for both UDP and TCP */
 
@@ -51,6 +51,9 @@ struct request_ctl {
     uint32_t req_count; /* Requested packet slot count */
 };
 
+#define MAX_REQ_SIZE (sizeof(struct request_ctl) + \
+                      PACKETS_PER_BUFFER * sizeof(uint32_t))
+
 extern struct buffer_ctl buffctl;
 extern struct packet_ctl *packetctl[PACKETS_PER_BUFFER];