TException: Error: TSocket: timed out reading 1024 bytes from 10.1.1.27:9160

[richard yao]

I am having a try on cassandra, and I use php to access cassandra by thrift
API.
I got an error like this:
    TException:  Error: TSocket: timed out reading 1024 bytes from
10.1.1.27:9160
What's wrong?
Thanks.