util

Type Members

1. class ActorSystemBooter extends AnyRef

   

   ActorSystemBooter start a new JVM process to boot an actor system.

   ActorSystemBooter start a new JVM process to boot an actor system. All executors are started by ActorSystemBooter

   It send the system address to "report back actor"

2. trait AkkaApp extends AnyRef

   

   A Main class helper to load Akka configuration automatically.

3. class AkkaHelper extends AnyRef

   

4. trait ConsoleOutput extends AnyRef

   

5. class Graph[N, E] extends Serializable

   

   Generic mutable Graph libraries.

6. class HadoopFSLogAppender extends RollingFileAppender

   

7. class HistoryMetricsService extends Actor

   

   Metrics service to serve history metrics data

   Metrics service to serve history metrics data

   For simplicity, HistoryMetricsService will maintain 72 hours coarse-grained data for last 72 hours, and fine-grained data for past 5 min.

   For the coarse-grained data of past 72 hours, one or two sample point will be stored for each hour.

   For fine-grained data in last 5 min, there will be 1 sample point per 15 seconds.

8. class ProcessLogRedirector extends ProcessLogger with Closeable with Flushable with ConsoleOutput

   

   Redirect the console output to parent process

9. class RecreateRollingFileAppender extends RollingFileAppender

   

10. trait ReferenceEqual extends AnyRef

    

    Check equal using reference-equal.

11. class RestartPolicy extends AnyRef

    

    When one executor or task fails, Gearpump will try to start.

    When one executor or task fails, Gearpump will try to start. However, if it fails after multiple retries, then we abort.

12. class RichProcess extends Process

    

    Extends Process by providing a additional logger: ConsoleOutput interface.

13. trait TimeOutScheduler extends AnyRef

    

    A helper util to send a message to remote actor and notify callback when timeout