public class MutableCSConfigurationProvider extends Object implements CSConfigurationProvider, MutableConfigurationProvider
MutableConfigurationProvider
for modifying capacity scheduler
configuration.Modifier and Type | Field and Description |
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static org.apache.commons.logging.Log |
LOG |
Constructor and Description |
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MutableCSConfigurationProvider(RMContext rmContext) |
Modifier and Type | Method and Description |
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void |
close()
Closes the configuration provider, releasing any required resources.
|
void |
confirmPendingMutation(boolean isValid)
Confirm last logged mutation.
|
ConfigurationMutationACLPolicy |
getAclMutationPolicy()
Get the acl mutation policy for this configuration provider.
|
org.apache.hadoop.conf.Configuration |
getConfiguration()
Returns scheduler configuration cached in this provider.
|
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.
|
void |
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.
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public MutableCSConfigurationProvider(RMContext rmContext)
public void init(org.apache.hadoop.conf.Configuration config) throws IOException
CSConfigurationProvider
init
in interface CSConfigurationProvider
config
- configuration to initialize withIOException
- if initialization fails due to misconfigurationpublic void close() throws IOException
MutableConfigurationProvider
close
in interface MutableConfigurationProvider
IOException
- on failure to closepublic YarnConfigurationStore getConfStore()
public CapacitySchedulerConfiguration loadConfiguration(org.apache.hadoop.conf.Configuration configuration) throws IOException
CSConfigurationProvider
loadConfiguration
in interface CSConfigurationProvider
configuration
- initial bootstrap configurationIOException
- if fail to retrieve configurationpublic org.apache.hadoop.conf.Configuration getConfiguration()
MutableConfigurationProvider
getConfiguration
in interface MutableConfigurationProvider
public ConfigurationMutationACLPolicy getAclMutationPolicy()
MutableConfigurationProvider
getAclMutationPolicy
in interface MutableConfigurationProvider
public void logAndApplyMutation(org.apache.hadoop.security.UserGroupInformation user, org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate) throws Exception
MutableConfigurationProvider
logAndApplyMutation
in interface MutableConfigurationProvider
user
- User who requested the changeconfUpdate
- User's requested configuration changeException
- if logging the mutation failspublic void confirmPendingMutation(boolean isValid) throws Exception
MutableConfigurationProvider
confirmPendingMutation
in interface MutableConfigurationProvider
isValid
- if the last logged mutation is applied to scheduler
properly.Exception
- if confirming mutation failspublic void reloadConfigurationFromStore() throws Exception
MutableConfigurationProvider
reloadConfigurationFromStore
in interface MutableConfigurationProvider
Exception
- if configuration could not be refreshed from storeCopyright © 2022 Apache Software Foundation. All rights reserved.