Database Reference
In-Depth Information
Property
Default
Description
auto_snapshot
True
If disabled, snapshot will not be taken in case of
dml operation (truncate, drop) over keyspace.
concurrent_compactors
Equals number of processors
Equal to
cas-
sandra.available_processors
(if
defined) else number of available processors.
False
If enabled, single thread per processor will be used
for compaction.
multithreaded_compaction
16
Data compaction flow in megabytes per seconds.
More compaction throughput will ensure less
sstables and more space on disk.
compaction_throughput_mb_per_sec
A very important configuration. Snitch can also be
termed as informer. Useful to route requests for
replica nodes in cluster. Available values are
SimpleSnitch
,
PropertyFileSnitch
,
RackInferringSnitch
,
Ec2Snitch
, and
Ec2MultiRegionSnitch
.
(I will cover snitch configuration in later
chapters.)
endpoint_snitch
SimpleSnitch
Client request scheduler. By default no scheduling
is done, but we can configure this to
RoundRobinScheduler
or a custom imple-
mentation. It will queue up client dml request and
finally release it after successfully processing the
request.
request_scheduler
NoScheduler
None
To enable encryption for internode communica-
tion. Available values are all, none, dc, and rack.
server_encryption_options
false(not enabled)
To enable client/server communication. If enabled
must specify
ssl_storage_port
. As it will be
used for client/server communication.
client_encryption_options
internode_compression
All
To compress traffic in internode communication.
Available values are: all, dc, and none.
inter_dc_tcp_nodelay
True
Setting it to false will cause less congestion over
TCP protocol but increased latency.
Commit Log Archival
