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org.apache.spark.sql.execution.streaming.state

OperatorStateMetadataV2FileManager

class OperatorStateMetadataV2FileManager extends Logging

A helper class to manage the metadata files for the operator state checkpoint. This class is used to manage the metadata files for OperatorStateMetadataV2, and provides utils to purge the oldest files such that we only keep the metadata files for which a commit log is present

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Instance Constructors

  1. new OperatorStateMetadataV2FileManager(checkpointLocation: Path, sparkSession: SparkSession, stateStoreWriter: StateStoreWriter)

    checkpointLocation

    The root path of the checkpoint directory

    sparkSession

    The sparkSession that is used to access the hadoopConf

    stateStoreWriter

    The operator that this fileManager is being created for

Type Members

  1. implicit class LogStringContext extends AnyRef
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Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  4. def MDC(key: LogKey, value: Any): MDC
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  5. final def asInstanceOf[T0]: T0
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  6. val batchFilesFilter: PathFilter

    A PathFilter to filter only batch files

    A PathFilter to filter only batch files

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  7. def clone(): AnyRef
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  11. def hashCode(): Int
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  12. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
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  13. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
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  14. def isBatchFile(path: Path): Boolean
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  15. final def isInstanceOf[T0]: Boolean
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  16. def isTraceEnabled(): Boolean
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  17. def log: Logger
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  18. def logBasedOnLevel(level: Level)(f: => MessageWithContext): Unit
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  19. def logDebug(msg: => String, throwable: Throwable): Unit
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  20. def logDebug(entry: LogEntry, throwable: Throwable): Unit
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  21. def logDebug(entry: LogEntry): Unit
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  22. def logDebug(msg: => String): Unit
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  23. def logError(msg: => String, throwable: Throwable): Unit
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  24. def logError(entry: LogEntry, throwable: Throwable): Unit
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  25. def logError(entry: LogEntry): Unit
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  26. def logError(msg: => String): Unit
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  27. def logInfo(msg: => String, throwable: Throwable): Unit
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  28. def logInfo(entry: LogEntry, throwable: Throwable): Unit
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  29. def logInfo(entry: LogEntry): Unit
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  30. def logInfo(msg: => String): Unit
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  31. def logName: String
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  32. def logTrace(msg: => String, throwable: Throwable): Unit
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  33. def logTrace(entry: LogEntry, throwable: Throwable): Unit
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  34. def logTrace(entry: LogEntry): Unit
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  35. def logTrace(msg: => String): Unit
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  36. def logWarning(msg: => String, throwable: Throwable): Unit
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  37. def logWarning(entry: LogEntry, throwable: Throwable): Unit
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  38. def logWarning(entry: LogEntry): Unit
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  39. def logWarning(msg: => String): Unit
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  40. final def ne(arg0: AnyRef): Boolean
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  41. final def notify(): Unit
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  42. final def notifyAll(): Unit
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  43. def purgeMetadataFiles(): Unit
  44. final def synchronized[T0](arg0: => T0): T0
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  45. def toString(): String
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  46. final def wait(arg0: Long, arg1: Int): Unit
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  47. final def wait(arg0: Long): Unit
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  48. final def wait(): Unit
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  49. def withLogContext(context: Map[String, String])(body: => Unit): Unit
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  1. def finalize(): Unit
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    Deprecated

    (Since version 9)

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