format README.md

README.md

@@ -18,9 +18,9 @@ Therefore, I re-designed the ACKs system to let the ACK go back via the route of
 
 Main enhancements
 
-..1. Distribute ACK traffic to each flume node, ACK goes back to original agent throught the route of event.
-..2. Reuse the connection for event transmission.
-..3. Buffer input/output stream for thrift to improve throughput. https://github.com/yongkun/thrift
+⋅⋅1. Distribute ACK traffic to each flume node, ACK goes back to original agent throught the route of event.
+⋅⋅2. Reuse the connection for event transmission.
+⋅⋅3. Buffer input/output stream for thrift to improve throughput. https://github.com/yongkun/thrift
 
 Apache JIRA is here, with some documents https://issues.apache.org/jira/browse/FLUME-640
 This enhancement was supposed to be merged into 0.10 if Flume was not upgraded to NG.
@@ -31,6 +31,7 @@ This enhancement was supposed to be merged into 0.10 if Flume was not upgraded t
 Use HDFS append() and change the file rotation mechanism to create large HDFS files, which could increase the performance of Map/Reduce program when using these files as input, and reduce the number of block mapping entries in Hadoop NameNode.
 
 
+
 ##### This modified version has been heavily used inside our company (Rakuten, http://en.wikipedia.org/wiki/Rakuten), with single collector receiving more than 300GB data per day (more than 328 million events per day, peak throughput is about 26K event per second).
 
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