Well I guess we will need some information to help you... At least:
-Hardware ? -Version of Cassandra ? -Any specific action before restarting ? -cassandra.yaml (options about compaction) ? -... Alain 2012/10/15 Manu Zhang <owenzhang1...@gmail.com> > My Cassandra is compacting like mad (look at the following messages) after > I restart it after a timeout query. It won't stop until I kill the process. > > > INFO 22:57:41,839 Compacting > [SSTableReader(path='/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1258-Data.db')] > INFO 22:57:42,077 Compacted to > [/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1259-Data.db,]. > 4,377 to 4,377 (~100% of original) bytes for 3 keys at 0.017539MB/s. > Time: 238ms. > INFO 22:57:42,079 Compacting > [SSTableReader(path='/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1259-Data.db')] > INFO 22:57:42,309 Compacted to > [/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1260-Data.db,]. > 4,377 to 4,377 (~100% of original) bytes for 3 keys at 0.018149MB/s. > Time: 230ms. > INFO 22:57:42,311 Compacting > [SSTableReader(path='/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1260-Data.db')] > INFO 22:57:42,574 Compacted to > [/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1261-Data.db,]. > 4,377 to 4,377 (~100% of original) bytes for 3 keys at 0.015872MB/s. > Time: 263ms. > INFO 22:57:42,576 Compacting > [SSTableReader(path='/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1261-Data.db')] > INFO 22:57:42,814 Compacted to > [/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1262-Data.db,]. > 4,377 to 4,377 (~100% of original) bytes for 3 keys at 0.017539MB/s. > Time: 238ms. > INFO 22:57:42,816 Compacting > [SSTableReader(path='/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1262-Data.db')] > INFO 22:57:43,070 Compacted to > [/home/manuzhang/cassandra/data/system/schema_columns/system-schema_columns-ia-1263-Data.db,]. > 4,377 to 4,377 (~100% of original) bytes for 3 keys at 0.016434MB/s. > Time: 254ms. >
