diff --git a/sysadmin/grid5000/cassandra/ansible/templates/cassandra.yaml b/sysadmin/grid5000/cassandra/ansible/templates/cassandra.yaml
index 9c361b0..9353ea7 100644
--- a/sysadmin/grid5000/cassandra/ansible/templates/cassandra.yaml
+++ b/sysadmin/grid5000/cassandra/ansible/templates/cassandra.yaml
@@ -1,72 +1,73 @@
 cluster_name: swh-storage # default 'Test Cluster'
 num_tokens: 256 # default 256
 allocate_tokens_for_local_replication_factor: 3
 data_file_directories:
   - {{ cassandra_data_dir }} # TODO use several disks
 # local_system_data_file_directory: {{ cassandra_data_dir_system }}
 commitlog_directory: {{ cassandra_commitlogs_dir }}
 
 disk_optimization_strategy: spinning # spinning | ssd
 
 # listen_address: 0.0.0.0 # always wrong according to the documentation
 listen_interface: {{ cassandra_listen_interface }} # always wrong according to the documentation
 
 concurrent_compactors: 4 # should be min(nb core, nb disks)
 
 internode_compression: dc # default dc possible all|dc|none
 
 concurrent_reads: 64 # 16 x number of drives
 concurrent_writes: 128 # 8 x number of cores
 concurrent_counter_writes: 48
 
 commitlog_sync: periodic # default periodic
 commitlog_sync_period_in_ms: 10000 # default 10000
+commitlog_total_space_in_mb: 16384 # default 8192
 
 partitioner: org.apache.cassandra.dht.Murmur3Partitioner
 endpoint_snitch: SimpleSnitch
 
 seed_provider:
 - class_name: org.apache.cassandra.locator.SimpleSeedProvider
   parameters:
       # seeds is actually a comma-delimited list of addresses.
       # Ex: "<ip1>,<ip2>,<ip3>"
       - seeds: "{{ cassandra_seed_ips }}"
 
 # needed by swh-storage
 enable_user_defined_functions: true
 
 # TODO Test this options effects
 # disk_failure_policy: 
 # cdc_enabled
 #end
 
 # Trying to reduce cassandra_compaction_pendingtasks
 compaction_throughput_mb_per_sec: 160
 
 # https://forge.softwareheritage.org/source/cassandra-replayer-deployment/browse/master/playbooks/templates/cassandra.yaml$854
 # How long the coordinator should wait for read operations to complete.
 # Lowest acceptable value is 10 ms.
 read_request_timeout_in_ms: 5000
 # How long the coordinator should wait for seq or index scans to complete.
 # Lowest acceptable value is 10 ms.
 range_request_timeout_in_ms: 10000
 # How long the coordinator should wait for writes to complete.
 # Lowest acceptable value is 10 ms.
 write_request_timeout_in_ms: 2000
 # How long the coordinator should wait for counter writes to complete.
 # Lowest acceptable value is 10 ms.
 counter_write_request_timeout_in_ms: 5000
 # How long a coordinator should continue to retry a CAS operation
 # that contends with other proposals for the same row.
 # Lowest acceptable value is 10 ms.
 cas_contention_timeout_in_ms: 1000
 # How long the coordinator should wait for truncates to complete
 # (This can be much longer, because unless auto_snapshot is disabled
 # we need to flush first so we can snapshot before removing the data.)
 # Lowest acceptable value is 10 ms.
 truncate_request_timeout_in_ms: 60000
 # The default timeout for other, miscellaneous operations.
 # Lowest acceptable value is 10 ms.
 request_timeout_in_ms: 10000
 
 slow_query_log_timeout_in_ms: 1000