public class MutableCSConfigurationProvider extends Object implements CSConfigurationProvider, MutableConfigurationProvider
MutableConfigurationProvider for modifying capacity scheduler
configuration.| Modifier and Type | Field and Description |
|---|---|
static org.slf4j.Logger |
LOG |
| Constructor and Description |
|---|
MutableCSConfigurationProvider(RMContext rmContext) |
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.conf.Configuration |
applyChanges(org.apache.hadoop.conf.Configuration oldConfiguration,
org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate)
Apply the changes on top of the actual configuration.
|
void |
close()
Closes the configuration provider, releasing any required resources.
|
void |
confirmPendingMutation(YarnConfigurationStore.LogMutation pendingMutation,
boolean isValid)
Confirm last logged mutation.
|
void |
formatConfigurationInStore(org.apache.hadoop.conf.Configuration config) |
ConfigurationMutationACLPolicy |
getAclMutationPolicy()
Get the acl mutation policy for this configuration provider.
|
org.apache.hadoop.conf.Configuration |
getConfiguration()
Returns scheduler configuration cached in this provider.
|
long |
getConfigVersion()
Get the last updated scheduler config version.
|
YarnConfigurationStore |
getConfStore() |
void |
init(org.apache.hadoop.conf.Configuration config)
Initialize the configuration provider with given conf.
|
CapacitySchedulerConfiguration |
loadConfiguration(org.apache.hadoop.conf.Configuration configuration)
Loads capacity scheduler configuration object.
|
YarnConfigurationStore.LogMutation |
logAndApplyMutation(org.apache.hadoop.security.UserGroupInformation user,
org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate)
Log user's requested configuration mutation, and applies it in-memory.
|
void |
reloadConfigurationFromStore()
Called when a new ResourceManager is starting/becomes active.
|
void |
revertToOldConfig(org.apache.hadoop.conf.Configuration config) |
public MutableCSConfigurationProvider(RMContext rmContext)
public void init(org.apache.hadoop.conf.Configuration config)
throws IOException
CSConfigurationProviderinit in interface CSConfigurationProviderconfig - configuration to initialize withIOException - if initialization fails due to misconfigurationpublic void close()
throws IOException
MutableConfigurationProviderclose in interface MutableConfigurationProviderIOException - on failure to closepublic YarnConfigurationStore getConfStore()
public CapacitySchedulerConfiguration loadConfiguration(org.apache.hadoop.conf.Configuration configuration) throws IOException
CSConfigurationProviderloadConfiguration in interface CSConfigurationProviderconfiguration - initial bootstrap configurationIOException - if fail to retrieve configurationpublic org.apache.hadoop.conf.Configuration getConfiguration()
MutableConfigurationProvidergetConfiguration in interface MutableConfigurationProviderpublic long getConfigVersion()
throws Exception
MutableConfigurationProvidergetConfigVersion in interface MutableConfigurationProviderException - exception occurs.public ConfigurationMutationACLPolicy getAclMutationPolicy()
MutableConfigurationProvidergetAclMutationPolicy in interface MutableConfigurationProviderpublic YarnConfigurationStore.LogMutation logAndApplyMutation(org.apache.hadoop.security.UserGroupInformation user, org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate) throws Exception
MutableConfigurationProviderlogAndApplyMutation in interface MutableConfigurationProvideruser - User who requested the changeconfUpdate - User's requested configuration changeException - if logging the mutation failspublic org.apache.hadoop.conf.Configuration applyChanges(org.apache.hadoop.conf.Configuration oldConfiguration,
org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate)
throws IOException
MutableConfigurationProviderapplyChanges in interface MutableConfigurationProvideroldConfiguration - actual configurationconfUpdate - changelistIOException - if the merge failedpublic void formatConfigurationInStore(org.apache.hadoop.conf.Configuration config)
throws Exception
formatConfigurationInStore in interface MutableConfigurationProviderExceptionpublic void revertToOldConfig(org.apache.hadoop.conf.Configuration config)
throws Exception
revertToOldConfig in interface MutableConfigurationProviderExceptionpublic void confirmPendingMutation(YarnConfigurationStore.LogMutation pendingMutation, boolean isValid) throws Exception
MutableConfigurationProviderconfirmPendingMutation in interface MutableConfigurationProviderpendingMutation - the log mutation to applyisValid - if the last logged mutation is applied to scheduler
properly.Exception - if confirming mutation failspublic void reloadConfigurationFromStore()
throws Exception
MutableConfigurationProviderreloadConfigurationFromStore in interface MutableConfigurationProviderException - if configuration could not be refreshed from storeCopyright © 2008–2023 Apache Software Foundation. All rights reserved.