|
@@ -40,6 +40,15 @@ sequence number::
|
|
|
sequence number had the message it response to. Even responses and
|
|
sequence number had the message it response to. Even responses and
|
|
|
messages not expecting answer have their sequence number, but it is
|
|
messages not expecting answer have their sequence number, but it is
|
|
|
generally unused.
|
|
generally unused.
|
|
|
|
|
+non-blocking operation::
|
|
|
|
|
+ Operation that will complete without waiting for anything.
|
|
|
|
|
+fast operation::
|
|
|
|
|
+ Operation that may wait for other process, but only for a very short
|
|
|
|
|
+ time. Generally, this includes communication between the user and
|
|
|
|
|
+ system, but not between two clients. It can be expected to be fast
|
|
|
|
|
+ enough to use this inside an interactive session, but may be too
|
|
|
|
|
+ heavy in the middle of query processing, for example. Every
|
|
|
|
|
+ non-blocking operation is considered fast.
|
|
|
|
|
|
|
|
The session
|
|
The session
|
|
|
-----------
|
|
-----------
|
|
@@ -51,7 +60,7 @@ Possible operations include:
|
|
|
|
|
|
|
|
Opening a session::
|
|
Opening a session::
|
|
|
The session is created and connects to the system. This operation is
|
|
The session is created and connects to the system. This operation is
|
|
|
- fast, but it can still block for short amount of time. The session
|
|
|
|
|
|
|
+ fast. The session
|
|
|
receives session id from the system.
|
|
receives session id from the system.
|
|
|
|
|
|
|
|
Group management::
|
|
Group management::
|
|
@@ -333,7 +342,7 @@ number of transferred messages and the maximum size of message is 4GB,
|
|
|
the code is not optimised and it would probably be very slow.
|
|
the code is not optimised and it would probably be very slow.
|
|
|
|
|
|
|
|
We currently expect the system not to be at heavy load. Therefore, we
|
|
We currently expect the system not to be at heavy load. Therefore, we
|
|
|
-expect the daemon to keep up with clients sending messages. The
|
|
|
|
|
|
|
+expect the system to keep up with clients sending messages. The
|
|
|
libraries write in blocking mode, which is no problem if the
|
|
libraries write in blocking mode, which is no problem if the
|
|
|
expectation is true, as the write buffers will generally be empty and
|
|
expectation is true, as the write buffers will generally be empty and
|
|
|
the write wouldn't block, but if it turns out it is not the case, we
|
|
the write wouldn't block, but if it turns out it is not the case, we
|
Michal 'vorner' Vaner