Sorry, Forgot to mention that I'm using Cassandra 1.1.3 -- Thank you..! --------------------------------------------------------------------- 071-6372089
Ishan's info: www.ishans.info මගේ සටහන්: www.siblog.ishans.info Ishan's way: www.blog.ishans.info --------------------------------------------------------------------- On Mon, Sep 17, 2012 at 9:32 PM, Ishan Thilina <is...@ishans.info> wrote: > Hi all, > > I am currently working on a project which uses Cassandra. I have a task > running in my server which will periodically look at a certain set of > pre-defined data (of the server) and writes them to Cassandra. The > procedure for this work is as follows. > > 1. I give a name and a version to the task. > > 2. I configure what data should the task monitor. > > 3. The task will then look if a stream definition exists for the task > using the task name and its version. > > 4. If a definition does not exist, then the task will create a definition > (By looking at the types of data to be monitored). > > 5. Then (or if a stream definition exists) the task will write the data to > Cassandra > > 6. The task will repeat the steps 3 to 5 forever (even after server > restart). > > > Please note that there can be multiple tasks like this monitoring > different sets of data. > > > The problem occurs when the server is used for few days and when several > (around 100) stream definitions are created, I have observed that after the > server is restarted, a stream definition does not exist exception is thrown > in the step 3. I manually checked and the stream definition actually exists. > > When a new server is used (with a clean Cassandra server), then everything > works fine for few days. But most of the time after a few days, the same > issue arises. > > Has anyone experienced this..? > > > > -- > Thank you..! > --------------------------------------------------------------------- > 071-6372089 > > Ishan's info: www.ishans.info > මගේ සටහන්: www.siblog.ishans.info > Ishan's way: www.blog.ishans.info > --------------------------------------------------------------------- > >
