I'm using the thrift client which is packaged with Pandra and my cassandra version is 0.5.0 which is in the debian packages. How can i tell which version of Thrift i'm using?
Lee On Mon, Apr 12, 2010 at 10:30 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > Then you're probably using a client incompatible with the server > version you're using. > > On Mon, Apr 12, 2010 at 10:24 AM, Lee Parker <l...@socialagency.com> wrote: > > If the connections are being made by individual PHP processes running > from > > the command line, they shouldn't be using the same connection. Should my > > code close the connections after each query and open a new one? > > Here is the flow of what is happening when we get the error: > > 1. Get a set of items from remote API > > 2. Insert all of the items into the items CF. (usually anywhere from 2 - > 200 > > items) > > 3. Query the correct index for all entries within a particular time frame > > (which is determined by the timeframe of the results of step 1) > > 4. Compare keys in index to keys of items inserted in step 2. > > 5. Insert new index columns for items which aren't already in the index. > > I am getting the "unknown result" error during step 3. > > Lee > > > > On Mon, Apr 12, 2010 at 10:05 AM, Jonathan Ellis <jbel...@gmail.com> > wrote: > >> > >> unknown result means thrift is badly confused. You will get this when > >> using the same thrift connection from multiple threads, for instance. > >> > >> On Mon, Apr 12, 2010 at 10:02 AM, Lee Parker <l...@socialagency.com> > wrote: > >> > I am a newbie with Cassandra. We are currently migrating a large > amount > >> > of > >> > data out of MySQL into Cassandra. I have two ColumnFamilies. One > >> > contains > >> > one row per item and each item has roughly 12 columns. These are > items > >> > from > >> > REST APIs like the Twitter API. Then I have a second ColumnFamily > with > >> > very > >> > large rows and TimeUUID column names which contain the key of the > items > >> > in > >> > the other ColumnFamily. So one ColumnFamily has lots of rows with a > low > >> > number of columns per row, and the other has relatively few rows with > a > >> > large (~500k) columns per row. > >> > I am getting rather frequent errors with "unknown result" from > get_slice > >> > and > >> > multiget_slice calls from the index ColumnFamily. I am using Pandra > for > >> > the > >> > calls. I can see that this is a generic exception thrown by the > >> > Cassandra > >> > Thrift package when it doesn't know what else to say. Is there a way > to > >> > actually see what the result was in a more raw form from the Thrift > >> > protocol? > >> > One thought I had on why this is happening is that my results might be > >> > larger than the configuration settings. Does anyone have any good > ideas > >> > on > >> > how to calculate what the ideal values of SlicedBufferSizeInKB > >> > and ColumnIndexSizeInKB should be? If these are too low, would i get > a > >> > more > >> > descriptive error? > >> > Lee Parker > > > > >
