logger.info("Data files directories: " + Arrays.toString(conf.data_file_directories));
logger.info("Commit log directory: " + conf.commitlog_directory);
if (conf.commitlog_sync == null)
{
throw new ConfigurationException("Missing required directive CommitLogSync");
}
if (conf.commitlog_sync == Config.CommitLogSync.batch)
{
if (conf.commitlog_sync_batch_window_in_ms == null)
{
throw new ConfigurationException("Missing value for commitlog_sync_batch_window_in_ms: Double expected.");
}
else if (conf.commitlog_sync_period_in_ms != null)
{
throw new ConfigurationException("Batch sync specified, but commitlog_sync_period_in_ms found. Only specify commitlog_sync_batch_window_in_ms when using batch sync");
}
logger.debug("Syncing log with a batch window of " + conf.commitlog_sync_batch_window_in_ms);
}
else
{
if (conf.commitlog_sync_period_in_ms == null)
{
throw new ConfigurationException("Missing value for commitlog_sync_period_in_ms: Integer expected");
}
else if (conf.commitlog_sync_batch_window_in_ms != null)
{
throw new ConfigurationException("commitlog_sync_period_in_ms specified, but commitlog_sync_batch_window_in_ms found. Only specify commitlog_sync_period_in_ms when using periodic sync.");
}
logger.debug("Syncing log with a period of " + conf.commitlog_sync_period_in_ms);
}
if (conf.commitlog_total_space_in_mb == null)
conf.commitlog_total_space_in_mb = System.getProperty("os.arch").contains("64") ? 1024 : 32;
/* evaluate the DiskAccessMode Config directive, which also affects indexAccessMode selection */
if (conf.disk_access_mode == Config.DiskAccessMode.auto)
{
conf.disk_access_mode = System.getProperty("os.arch").contains("64") ? Config.DiskAccessMode.mmap : Config.DiskAccessMode.standard;
indexAccessMode = conf.disk_access_mode;
logger.info("DiskAccessMode 'auto' determined to be " + conf.disk_access_mode + ", indexAccessMode is " + indexAccessMode );
}
else if (conf.disk_access_mode == Config.DiskAccessMode.mmap_index_only)
{
conf.disk_access_mode = Config.DiskAccessMode.standard;
indexAccessMode = Config.DiskAccessMode.mmap;
logger.info("DiskAccessMode is " + conf.disk_access_mode + ", indexAccessMode is " + indexAccessMode );
}
else
{
indexAccessMode = conf.disk_access_mode;
logger.info("DiskAccessMode is " + conf.disk_access_mode + ", indexAccessMode is " + indexAccessMode );
}
logger.info("disk_failure_policy is " + conf.disk_failure_policy);
/* Authentication and authorization backend, implementing IAuthenticator and IAuthorizer */
if (conf.authenticator != null)
authenticator = FBUtilities.newAuthenticator(conf.authenticator);
if (conf.authorizer != null)
authorizer = FBUtilities.newAuthorizer(conf.authorizer);
if (authenticator instanceof AllowAllAuthenticator && !(authorizer instanceof AllowAllAuthorizer))
throw new ConfigurationException("AllowAllAuthenticator can't be used with " + conf.authorizer);
if (conf.internode_authenticator != null)
internodeAuthenticator = FBUtilities.construct(conf.internode_authenticator, "internode_authenticator");
else
internodeAuthenticator = new AllowAllInternodeAuthenticator();
authenticator.validateConfiguration();
authorizer.validateConfiguration();
internodeAuthenticator.validateConfiguration();
/* Hashing strategy */
if (conf.partitioner == null)
{
throw new ConfigurationException("Missing directive: partitioner");
}
try
{
partitioner = FBUtilities.newPartitioner(System.getProperty("cassandra.partitioner", conf.partitioner));
}
catch (Exception e)
{
throw new ConfigurationException("Invalid partitioner class " + conf.partitioner);
}
paritionerName = partitioner.getClass().getCanonicalName();
/* phi convict threshold for FailureDetector */
if (conf.phi_convict_threshold < 5 || conf.phi_convict_threshold > 16)
{
throw new ConfigurationException("phi_convict_threshold must be between 5 and 16");
}
/* Thread per pool */
if (conf.concurrent_reads != null && conf.concurrent_reads < 2)
{
throw new ConfigurationException("concurrent_reads must be at least 2");
}
if (conf.concurrent_writes != null && conf.concurrent_writes < 2)
{
throw new ConfigurationException("concurrent_writes must be at least 2");
}
if (conf.concurrent_replicates != null && conf.concurrent_replicates < 2)
{
throw new ConfigurationException("concurrent_replicates must be at least 2");
}
if (conf.file_cache_size_in_mb == null)
conf.file_cache_size_in_mb = Math.min(512, (int) (Runtime.getRuntime().maxMemory() / (4 * 1048576)));
if (conf.memtable_total_space_in_mb == null)
conf.memtable_total_space_in_mb = (int) (Runtime.getRuntime().maxMemory() / (4 * 1048576));
if (conf.memtable_total_space_in_mb <= 0)
throw new ConfigurationException("memtable_total_space_in_mb must be positive");
logger.info("Global memtable threshold is enabled at {}MB", conf.memtable_total_space_in_mb);
/* Memtable flush writer threads */
if (conf.memtable_flush_writers != null && conf.memtable_flush_writers < 1)
{
throw new ConfigurationException("memtable_flush_writers must be at least 1");
}
else if (conf.memtable_flush_writers == null)
{
conf.memtable_flush_writers = conf.data_file_directories.length;
}
/* Local IP or hostname to bind services to */
if (conf.listen_address != null)
{
if (conf.listen_address.equals("0.0.0.0"))
throw new ConfigurationException("listen_address cannot be 0.0.0.0!");
try
{
listenAddress = InetAddress.getByName(conf.listen_address);
}
catch (UnknownHostException e)
{
throw new ConfigurationException("Unknown listen_address '" + conf.listen_address + "'");
}
}
/* Gossip Address to broadcast */
if (conf.broadcast_address != null)
{
if (conf.broadcast_address.equals("0.0.0.0"))
{
throw new ConfigurationException("broadcast_address cannot be 0.0.0.0!");
}
try
{
broadcastAddress = InetAddress.getByName(conf.broadcast_address);
}
catch (UnknownHostException e)
{
throw new ConfigurationException("Unknown broadcast_address '" + conf.broadcast_address + "'");
}
}
/* Local IP or hostname to bind RPC server to */
if (conf.rpc_address != null)
{
try
{
rpcAddress = InetAddress.getByName(conf.rpc_address);
}
catch (UnknownHostException e)
{
throw new ConfigurationException("Unknown host in rpc_address " + conf.rpc_address);
}
}
else
{
rpcAddress = FBUtilities.getLocalAddress();
}
if (conf.thrift_framed_transport_size_in_mb <= 0)
throw new ConfigurationException("thrift_framed_transport_size_in_mb must be positive");
if (conf.native_transport_max_frame_size_in_mb <= 0)
throw new ConfigurationException("native_transport_max_frame_size_in_mb must be positive");
/* end point snitch */
if (conf.endpoint_snitch == null)
{
throw new ConfigurationException("Missing endpoint_snitch directive");
}
snitch = createEndpointSnitch(conf.endpoint_snitch);
EndpointSnitchInfo.create();
localDC = snitch.getDatacenter(FBUtilities.getBroadcastAddress());
localComparator = new Comparator<InetAddress>()
{
public int compare(InetAddress endpoint1, InetAddress endpoint2)
{
boolean local1 = localDC.equals(snitch.getDatacenter(endpoint1));
boolean local2 = localDC.equals(snitch.getDatacenter(endpoint2));
if (local1 && !local2)
return -1;
if (local2 && !local1)
return 1;
return 0;
}
};
/* Request Scheduler setup */
requestSchedulerOptions = conf.request_scheduler_options;
if (conf.request_scheduler != null)
{
try
{
if (requestSchedulerOptions == null)
{
requestSchedulerOptions = new RequestSchedulerOptions();
}
Class<?> cls = Class.forName(conf.request_scheduler);
requestScheduler = (IRequestScheduler) cls.getConstructor(RequestSchedulerOptions.class).newInstance(requestSchedulerOptions);
}
catch (ClassNotFoundException e)
{
throw new ConfigurationException("Invalid Request Scheduler class " + conf.request_scheduler);
}
catch (Exception e)
{
throw new ConfigurationException("Unable to instantiate request scheduler", e);
}
}
else
{
requestScheduler = new NoScheduler();
}
if (conf.request_scheduler_id == RequestSchedulerId.keyspace)
{
requestSchedulerId = conf.request_scheduler_id;
}
else
{
// Default to Keyspace
requestSchedulerId = RequestSchedulerId.keyspace;
}
if (logger.isDebugEnabled() && conf.auto_bootstrap != null)
{
logger.debug("setting auto_bootstrap to " + conf.auto_bootstrap);
}
logger.info((conf.multithreaded_compaction ? "" : "Not ") + "using multi-threaded compaction");
if (conf.in_memory_compaction_limit_in_mb != null && conf.in_memory_compaction_limit_in_mb <= 0)
{
throw new ConfigurationException("in_memory_compaction_limit_in_mb must be a positive integer");
}
if (conf.concurrent_compactors == null)
conf.concurrent_compactors = FBUtilities.getAvailableProcessors();
if (conf.concurrent_compactors <= 0)
throw new ConfigurationException("concurrent_compactors should be strictly greater than 0");
/* data file and commit log directories. they get created later, when they're needed. */
if (conf.commitlog_directory != null && conf.data_file_directories != null && conf.saved_caches_directory != null)
{
for (String datadir : conf.data_file_directories)
{
if (datadir.equals(conf.commitlog_directory))
throw new ConfigurationException("commitlog_directory must not be the same as any data_file_directories");
if (datadir.equals(conf.saved_caches_directory))
throw new ConfigurationException("saved_caches_directory must not be the same as any data_file_directories");
}
if (conf.commitlog_directory.equals(conf.saved_caches_directory))
throw new ConfigurationException("saved_caches_directory must not be the same as the commitlog_directory");
}
else
{
if (conf.commitlog_directory == null)
throw new ConfigurationException("commitlog_directory missing");
if (conf.data_file_directories == null)
throw new ConfigurationException("data_file_directories missing; at least one data directory must be specified");
if (conf.saved_caches_directory == null)
throw new ConfigurationException("saved_caches_directory missing");
}
if (conf.initial_token != null)
for (String token : tokensFromString(conf.initial_token))
partitioner.getTokenFactory().validate(token);
if (conf.num_tokens > MAX_NUM_TOKENS)
throw new ConfigurationException(String.format("A maximum number of %d tokens per node is supported", MAX_NUM_TOKENS));
try
{
// if key_cache_size_in_mb option was set to "auto" then size of the cache should be "min(5% of Heap (in MB), 100MB)
keyCacheSizeInMB = (conf.key_cache_size_in_mb == null)
? Math.min(Math.max(1, (int) (Runtime.getRuntime().totalMemory() * 0.05 / 1024 / 1024)), 100)
: conf.key_cache_size_in_mb;
if (keyCacheSizeInMB < 0)
throw new NumberFormatException(); // to escape duplicating error message
}
catch (NumberFormatException e)
{
throw new ConfigurationException("key_cache_size_in_mb option was set incorrectly to '"
+ conf.key_cache_size_in_mb + "', supported values are <integer> >= 0.");
}
memoryAllocator = FBUtilities.newOffHeapAllocator(conf.memory_allocator);
if(conf.encryption_options != null)
{
logger.warn("Please rename encryption_options as server_encryption_options in the yaml");
//operate under the assumption that server_encryption_options is not set in yaml rather than both
conf.server_encryption_options = conf.encryption_options;
}
String allocatorClass = conf.memtable_allocator;
if (!allocatorClass.contains("."))
allocatorClass = "org.apache.cassandra.utils." + allocatorClass;
memtableAllocator = FBUtilities.classForName(allocatorClass, "allocator");
// Hardcoded system keyspaces
List<KSMetaData> systemKeyspaces = Arrays.asList(KSMetaData.systemKeyspace());
assert systemKeyspaces.size() == Schema.systemKeyspaceNames.size();
for (KSMetaData ksmd : systemKeyspaces)
Schema.instance.load(ksmd);
/* Load the seeds for node contact points */
if (conf.seed_provider == null)
{
throw new ConfigurationException("seeds configuration is missing; a minimum of one seed is required.");
}
try
{
Class<?> seedProviderClass = Class.forName(conf.seed_provider.class_name);
seedProvider = (SeedProvider)seedProviderClass.getConstructor(Map.class).newInstance(conf.seed_provider.parameters);
}
// there are about 5 checked exceptions that could be thrown here.
catch (Exception e)
{
logger.error("Fatal configuration error", e);
System.err.println(e.getMessage() + "\nFatal configuration error; unable to start server. See log for stacktrace.");
System.exit(1);
}
if (seedProvider.getSeeds().size() == 0)
throw new ConfigurationException("The seed provider lists no seeds.");
}