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.slf4j.Logger |
LOG |
Constructor and Description |
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MutableCSConfigurationProvider(RMContext rmContext) |
Modifier and Type | Method and Description |
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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
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 long getConfigVersion() throws Exception
MutableConfigurationProvider
getConfigVersion
in interface MutableConfigurationProvider
Exception
public ConfigurationMutationACLPolicy getAclMutationPolicy()
MutableConfigurationProvider
getAclMutationPolicy
in interface MutableConfigurationProvider
public YarnConfigurationStore.LogMutation 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 org.apache.hadoop.conf.Configuration applyChanges(org.apache.hadoop.conf.Configuration oldConfiguration, org.apache.hadoop.yarn.webapp.dao.SchedConfUpdateInfo confUpdate) throws IOException
MutableConfigurationProvider
applyChanges
in interface MutableConfigurationProvider
oldConfiguration
- actual configurationconfUpdate
- changelistIOException
- if the merge failedpublic void formatConfigurationInStore(org.apache.hadoop.conf.Configuration config) throws Exception
formatConfigurationInStore
in interface MutableConfigurationProvider
Exception
public void revertToOldConfig(org.apache.hadoop.conf.Configuration config) throws Exception
revertToOldConfig
in interface MutableConfigurationProvider
Exception
public void confirmPendingMutation(YarnConfigurationStore.LogMutation pendingMutation, boolean isValid) throws Exception
MutableConfigurationProvider
confirmPendingMutation
in interface MutableConfigurationProvider
pendingMutation
- the log mutation to applyisValid
- 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 © 2008–2023 Apache Software Foundation. All rights reserved.