Pandra is probably targetting 0.6. If you're just starting, there's no reason for you not to use 0.6 over 0.5 now.
On Mon, Apr 12, 2010 at 10:42 AM, Lee Parker <l...@socialagency.com> wrote: > 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 >> > >> > > >
