hmm, i added a sleep(1000) between each operation and still see the same behavior. but stranger still, if i do the exact same operations via the command line they work as expected. and the logs for the two runs look identical to me (aside from the different keys)
-mike ----------------------------------- [defa...@unknown] use Harvest; Authenticated to keyspace: Harvest [defa...@harvest] [defa...@harvest] set Test1['row-c1']['dummy-col'] = 'value-a'; Value inserted. [defa...@harvest] get Test1['row-c1']['dummy-col']; => (column=dummy-col, value=76616c75652d61, timestamp=1293727499867000) [defa...@harvest] [defa...@harvest] del Test1['row-c1']; row removed. [defa...@harvest] get Test1['row-c1']['dummy-col']; Value was not found [defa...@harvest] [defa...@harvest] set Test1['row-c1']['dummy-col'] = 'value-a'; Value inserted. [defa...@harvest] get Test1['row-c1']['dummy-col']; => (column=dummy-col, value=76616c75652d61, timestamp=1293727499912000) DEBUG 08:44:59,872 insert DEBUG 08:44:59,876 insert writing local RowMutation(keyspace='Harvest', key='726f772d6331', modifications=[Test1]) DEBUG 08:44:59,882 applying mutation of row 726f772d6331 DEBUG 08:44:59,892 get DEBUG 08:44:59,893 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:44:59,893 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:44:59,894 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) DEBUG 08:44:59,903 remove DEBUG 08:44:59,903 insert writing local RowMutation(keyspace='Harvest', key='726f772d6331', modifications=[Test1]) DEBUG 08:44:59,904 applying mutation of row 726f772d6331 DEBUG 08:44:59,908 get DEBUG 08:44:59,908 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:44:59,909 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:44:59,909 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) DEBUG 08:44:59,912 insert DEBUG 08:44:59,913 insert writing local RowMutation(keyspace='Harvest', key='726f772d6331', modifications=[Test1]) DEBUG 08:44:59,913 applying mutation of row 726f772d6331 DEBUG 08:44:59,919 get DEBUG 08:44:59,919 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:44:59,919 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:44:59,920 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) ------------------ === starting === inserting row: row-j1, value: value-a === about to retrieve data === got (dummy-col,value-a) === deleting row: row-j1 === data not found, as expected === re-inserting row: row-j1 === !!!! re-inserted data not found === crush all boxes DEBUG 08:46:20,131 insert DEBUG 08:46:20,132 insert writing local RowMutation(keyspace='Harvest', key='726f772d6a31', modifications=[Test1]) DEBUG 08:46:20,133 applying mutation of row 726f772d6a31 DEBUG 08:46:20,144 get DEBUG 08:46:20,144 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:46:20,145 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:46:20,145 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) DEBUG 08:46:21,156 remove DEBUG 08:46:21,157 insert writing local RowMutation(keyspace='Harvest', key='726f772d6a31', modifications=[Test1]) DEBUG 08:46:21,157 applying mutation of row 726f772d6a31 DEBUG 08:46:21,160 get DEBUG 08:46:21,161 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:46:21,161 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:46:21,161 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) DEBUG 08:46:22,164 insert DEBUG 08:46:22,167 insert writing local RowMutation(keyspace='Harvest', key='726f772d6a31', modifications=[Test1]) DEBUG 08:46:22,167 applying mutation of row 726f772d6a31 DEBUG 08:46:22,168 get DEBUG 08:46:22,169 Sorted endpoints are localhost/127.0.0.1 DEBUG 08:46:22,169 weakread reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) locally DEBUG 08:46:22,169 weakreadlocal reading SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', columnName='null')', columns=[dummy-col,]) On Dec 29, 2010, at 8:27 PM, Jonathan Ellis wrote: > deletes "win" races, so if 3) happens at the same timestamp as 2) then > the delete takes precedence. > > On Wed, Dec 29, 2010 at 9:58 PM, mike dooley <doo...@apple.com> wrote: >> sorry, i forgot to mention that i am using 0.7-rc2 >> >> On Dec 29, 2010, at 7:56 PM, mike dooley wrote: >> >>> things have not been going very well for me today, so maybe there's >>> something >>> that i'm missing, but here is a little test program that just: >>> >>> 1) inserts a single column in a row, >>> 2) deletes the row, >>> 3) re-inserts the row >>> >>> but it seems that the second insert fails to actually insert the data. here >>> is the output >>> of the test program >>> >>> === starting >>> === inserting row: row-a, value: value-a >>> === about to retrieve data >>> === got (dummy-col,value-a) >>> === deleting row: row-a >>> === data not found, as expected >>> === re-inserting row: row-a >>> === !!!! re-inserted data not found >>> === crush all boxes >>> >>> and subsequent inserts also fail (if you run the program again). >>> >>> here is the test program >>> >>> <CClient.java> >>> >>> i am just using a single node, with the following schema >>> >>> create keyspace Harvest with replication_factor = 1 and placement_strategy >>> = 'org.apache.cassandra.locator.SimpleStrategy'; >>> use Harvest; >>> create column family Test1 with column_type = 'Standard' and comparator = >>> 'UTF8Type'; >>> >>> thanks in advance. >>> -mike >> >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com
