etc/ignore-stderr/cassandra: ignore a few errors

So far the issue like below doesn't seem to impact the result

	stderr:     OpenJDK#-Bit_Server_VM_warning:Option_UseConcMarkSweepGC_was_deprecated_in_version#and_will_likely_be_removed_in_a_future_release
	stderr:     WARN#:#:#,#Query'com.datastax.driver.core.Statement~#@#f1b299;'generated_server_side_warning(s):`USE<keyspace>`with_prepared_statements_is_considered_to_be_an_anti-pattern_due_to_ambiguity_in_non-qualified_table_names.Please_consider_removing_instances_of`Session#setKeyspace(<keyspace>)`,`Session#execute(~USE<keyspace>~)`and`cluster.newSession(<keyspace>)`from_your_code,and_always_use_fully_qualified_table_names(e.g.<keyspace>.<table>).Keyspace_used:stresscql,statement_keyspace:stresscql,statement_id:b3167b224c912fedbc7a588292e9ab51
	stderr:     com.datastax.driver.core.exceptions.OperationTimedOutException:[localhost/#:#]Timed_out_waiting_for_server_response
	stderr:     com.datastax.driver.core.exceptions.WriteTimeoutException:Cassandra_timeout_during_BATCH_LOG_write_query_at_consistency_ONE(#replica_were_required_but_only#acknowledged_the_write)
	stderr:     com.datastax.driver.core.exceptions.WriteTimeoutException:Cassandra_timeout_during_BATCH_write_query_at_consistency_LOCAL_ONE(#replica_were_required_but_only#acknowledged_the_write)
	stderr:     ERROR#:#:#,#[Control_connection]Cannot_connect_to_any_host,scheduling_retry_in#milliseconds

Which have results as below

Results:
Op rate                   :      267 op/s  [insert: 200 op/s, simple1: 67 op/s]
Partition rate            :    5,190 pk/s  [insert: 5,123 pk/s, simple1: 67 pk/s]
Row rate                  :    7,123 row/s [insert: 5,123 row/s, simple1: 2,000 row/s]
Latency mean              :    3.2 ms [insert: 4.1 ms, simple1: 0.3 ms]
Latency median            :    0.5 ms [insert: 0.6 ms, simple1: 0.2 ms]
Latency 95th percentile   :    0.8 ms [insert: 0.8 ms, simple1: 0.4 ms]
Latency 99th percentile   :    1.0 ms [insert: 1.1 ms, simple1: 0.5 ms]
Latency 99.9th percentile :   18.1 ms [insert: 35.7 ms, simple1: 0.9 ms]
Latency max               : 12104.8 ms [insert: 12,104.8 ms, simple1: 16.3 ms]
Total partitions          :  1,559,041 [insert: 1,538,863, simple1: 20,178]
Total errors              :          0 [insert: 0, simple1: 0]
Total GC count            : 16
Total GC memory           : 9.664 GiB
Total GC time             :    0.2 seconds
Avg GC time               :   15.5 ms
StdDev GC time            :    2.2 ms
Total operation time      : 00:05:00

Signed-off-by: Philip Li <[email protected]>

Author: rli9

etc/ignore-stderr/cassandra

@@ -1 +1,6 @@
 WARN .* You listed .* in your contact points, but it wasn't found in the control host's system.peers at startup
+with prepared statements is considered to be an anti-pattern due to ambiguity in non-qualified table names
+OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated
+Cannot connect to any host, scheduling retry in
+com.datastax.driver.core.exceptions.OperationTimedOutException
+com.datastax.driver.core.exceptions.WriteTimeoutException