Comment improve

This commit is contained in:
Volodymyr Babak 2021-07-30 14:38:33 +03:00 committed by Andrew Shvayka
parent d5319c9de0
commit ee13f53eca

View File

@ -185,9 +185,9 @@ public class CassandraBaseTimeseriesDao extends AbstractCassandraBaseTimeseriesD
if (isFixedPartitioning()) {
return Futures.immediateFuture(null);
}
// DO NOT apply custom to partition, otherwise short TTL will remove partition too early
// DO NOT apply custom to partition, otherwise, short TTL will remove partition too early
// partitions must remain in the DB forever or be removed only by systemTtl
// removal of empty partition is too expensive (we need to scan all data keys for this partitions with ALLOW FILTERING)
// removal of empty partition is too expensive (we need to scan all data keys for these partitions with ALLOW FILTERING)
long ttl = computeTtl(0);
long partition = toPartitionTs(tsKvEntryTs);
if (cassandraTsPartitionsCache == null) {