public class Accumulo extends Object
Constructor and Description |
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Accumulo() |
Modifier and Type | Method and Description |
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static void |
abortIfFateTransactions()
Exit loudly if there are outstanding Fate operations.
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static boolean |
canUpgradeFromDataVersion(int dataVersion)
Sanity check that the current persistent version is allowed to upgrade to the version of Accumulo running.
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static org.apache.hadoop.fs.Path |
getAccumuloInstanceIdPath(VolumeManager fs) |
static int |
getAccumuloPersistentVersion(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path) |
static int |
getAccumuloPersistentVersion(Volume v) |
static int |
getAccumuloPersistentVersion(VolumeManager fs) |
static void |
init(VolumeManager fs,
ServerConfigurationFactory serverConfig,
String application) |
static void |
monitorSwappiness(AccumuloConfiguration config) |
static boolean |
persistentVersionNeedsUpgrade(int accumuloPersistentVersion)
Does the data version number stored in the backing Volumes indicate we need to upgrade something?
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static void |
setupLogging(String application) |
static void |
updateAccumuloVersion(VolumeManager fs,
int oldVersion) |
static void |
waitForZookeeperAndHdfs(VolumeManager fs) |
public static void updateAccumuloVersion(VolumeManager fs, int oldVersion)
public static int getAccumuloPersistentVersion(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path)
public static int getAccumuloPersistentVersion(Volume v)
public static int getAccumuloPersistentVersion(VolumeManager fs)
public static org.apache.hadoop.fs.Path getAccumuloInstanceIdPath(VolumeManager fs)
public static void setupLogging(String application) throws UnknownHostException
UnknownHostException
public static void init(VolumeManager fs, ServerConfigurationFactory serverConfig, String application) throws IOException
IOException
public static boolean canUpgradeFromDataVersion(int dataVersion)
dataVersion
- the version that is persisted in the backing Volumespublic static boolean persistentVersionNeedsUpgrade(int accumuloPersistentVersion)
public static void monitorSwappiness(AccumuloConfiguration config)
public static void waitForZookeeperAndHdfs(VolumeManager fs)
public static void abortIfFateTransactions()
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