$grep -n -E "testingTopic-9|testingTopic,9" server.log.2015-01-06*
server.log.2015-01-06-01:1457:[2015-01-06 01:32:46,055] INFO Rolled new log segment for 'testingTopic-9' in 1 ms. (kafka.log.Log)
server.log.2015-01-06-09:1966:[2015-01-06 09:41:45,114] INFO Rolled new log segment for 'testingTopic-9' in 1 ms. (kafka.log.Log)
server.log.2015-01-06-15:3130:[2015-01-06 15:53:34,459] INFO Scheduling log segment 24979505 for log testingTopic-9 for deletion. (kafka.log.Log)
server.log.2015-01-06-15:3334:[2015-01-06 15:54:34,460] INFO Deleting segment 24979505 from log testingTopic-9. (kafka.log.Log)
server.log.2015-01-06-15:3338:[2015-01-06 15:54:34,515] INFO Deleting index /home/alex/kafka_2.9.2-0.8.1/logs/testingTopic-9/00000000000024979505.index.deleted (kafka.log.OffsetIndex)
server.log.2015-01-06-17:2595:[2015-01-06 17:57:02,670] ERROR [KafkaApi-0] Error when processing fetch request for partition [testingTopic,9] offset 25333002 from follower with correlation id 0 (kafka.server.KafkaApis)
server.log.2015-01-06-17:2766:[2015-01-06 17:57:03,029] ERROR [KafkaApi-0] Error when processing fetch request for partition [testingTopic,9] offset 25351025 from consumer with correlation id 1 (kafka.server.KafkaApis)
server.log.2015-01-06-18:148:[2015-01-06 18:01:18,198] INFO Partition [testingTopic,9] on broker 0: Expanding ISR for partition [testingTopic,9] from 0,2 to 0,2,1 (kafka.cluster.Partition)
server.log.2015-01-06-20:1197:[2015-01-06 20:25:34,463] INFO Scheduling log segment 25471976 for log testingTopic-9 for deletion. (kafka.log.Log)
server.log.2015-01-06-20:1199:[2015-01-06 20:26:34,463] INFO Deleting segment 25471976 from log testingTopic-9. (kafka.log.Log)
server.log.2015-01-06-20:1200:[2015-01-06 20:26:34,583] INFO Deleting index /home/alex/kafka_2.9.2-0.8.1/logs/testingTopic-9/00000000000025471976.index.deleted (kafka.log.OffsetIndex)

$grep -n -E "testingTopic-9|testingTopic,9" server.log.2015-01-07*
server.log.2015-01-07-01:1458:[2015-01-07 01:32:34,459] INFO Scheduling log segment 25963073 for log testingTopic-9 for deletion. (kafka.log.Log)
server.log.2015-01-07-01:1588:[2015-01-07 01:33:34,460] INFO Deleting segment 25963073 from log testingTopic-9. (kafka.log.Log)
server.log.2015-01-07-01:1590:[2015-01-07 01:33:34,533] INFO Deleting index /home/alex/kafka_2.9.2-0.8.1/logs/testingTopic-9/00000000000025963073.index.deleted (kafka.log.OffsetIndex)
server.log.2015-01-07-09:1996:[2015-01-07 09:42:34,459] INFO Scheduling log segment 26465962 for log testingTopic-9 for deletion. (kafka.log.Log)
server.log.2015-01-07-09:1997:[2015-01-07 09:43:34,460] INFO Deleting segment 26465962 from log testingTopic-9. (kafka.log.Log)
server.log.2015-01-07-09:1998:[2015-01-07 09:43:34,536] INFO Deleting index /home/alex/kafka_2.9.2-0.8.1/logs/testingTopic-9/00000000000026465962.index.deleted (kafka.log.OffsetIndex)
server.log.2015-01-07-10:570:[2015-01-07 10:11:34,525] INFO Rolled new log segment for 'testingTopic-9' in 12 ms. (kafka.log.Log)
server.log.2015-01-07-10:571:[2015-01-07 10:11:34,525] INFO Scheduling log segment 27014642 for log testingTopic-9 for deletion. (kafka.log.Log)
server.log.2015-01-07-10:736:[2015-01-07 10:12:34,525] INFO Deleting segment 27014642 from log testingTopic-9. (kafka.log.Log)
server.log.2015-01-07-10:739:[2015-01-07 10:12:34,536] INFO Deleting index /home/alex/kafka_2.9.2-0.8.1/logs/testingTopic-9/00000000000027014642.index.deleted (kafka.log.OffsetIndex)