Class Sl4jLogger

java.lang.Object
io.perl.logger.impl.ResultsLogger
All Implemented Interfaces:
io.perl.logger.PerformanceLogger, io.perl.logger.Print, io.perl.logger.ReportLatency, CountReaders, CountRW, CountWriters, Logger, ReadRequestsLogger, RWLogger, RWPrint, SetRW, WriteRequestsLogger

public class Sl4jLogger extends SystemLogger
Logger implementation that prints periodic and total benchmark results using SLF4J.

Extends SystemLogger to reuse formatting and aggregation helpers from AbstractRWLogger. Output is written via a named SLF4J logger ("SBK").

  • Constructor Details

    • Sl4jLogger

      public Sl4jLogger()
  • Method Details

    • print

      public void print(int writers, int maxWriters, int readers, int maxReaders, long writeRequestBytes, double writeRequestMbPerSec, long writeRequestRecords, double writeRequestRecordsPerSec, long readRequestBytes, double readRequestMbPerSec, long readRequestRecords, double readRequestRecordsPerSec, long writeResponsePendingRecords, long writeResponsePendingBytes, long readResponsePendingRecords, long readResponsePendingBytes, long writeReadRequestPendingRecords, long writeReadRequestPendingBytes, long writeTimeoutEvents, double writeTimeoutEventsPerSec, long readTimeoutEvents, double readTimeoutEventsPerSec, double seconds, long bytes, long records, double recsPerSec, double mbPerSec, double avgLatency, long minLatency, long maxLatency, long invalid, long lowerDiscard, long higherDiscard, long slc1, long slc2, long[] percentileLatencies, long[] percentileLatencyCounts)
      Log the periodic results using SLF4J at info level.
      Specified by:
      print in interface RWPrint
      Overrides:
      print in class SystemLogger
      Parameters:
      writers - number of active writers
      maxWriters - maximum writers seen
      readers - number of active readers
      maxReaders - maximum readers seen
      writeRequestBytes - write request bytes in this interval
      writeRequestMbPerSec - write request throughput in MB/sec
      writeRequestRecords - write request count
      writeRequestRecordsPerSec - write requests per second
      readRequestBytes - read request bytes in this interval
      readRequestMbPerSec - read request throughput in MB/sec
      readRequestRecords - read request count
      readRequestRecordsPerSec - read requests per second
      writeResponsePendingRecords - pending write response records
      writeResponsePendingBytes - pending write response bytes
      readResponsePendingRecords - pending read response records
      readResponsePendingBytes - pending read response bytes
      writeReadRequestPendingRecords - write-read pending records delta
      writeReadRequestPendingBytes - write-read pending bytes delta
      writeTimeoutEvents - write timeout events count
      writeTimeoutEventsPerSec - write timeout events per second
      readTimeoutEvents - read timeout events count
      readTimeoutEventsPerSec - read timeout events per second
      seconds - reporting interval seconds
      bytes - total bytes processed in interval
      records - total records processed in interval
      recsPerSec - records per second
      mbPerSec - MB per second
      avgLatency - average latency
      minLatency - minimum latency
      maxLatency - maximum latency
      invalid - invalid/negative latency count
      lowerDiscard - discarded below min latency
      higherDiscard - discarded above max latency
      slc1 - sliding latency coverage 1
      slc2 - sliding latency coverage 2
      percentileLatencies - percentile latency values
      percentileLatencyCounts - percentile latency counts
    • printTotal

      public void printTotal(int writers, int maxWriters, int readers, int maxReaders, long writeRequestBytes, double writeRequestMbPerSec, long writeRequestRecords, double writeRequestRecordsPerSec, long readRequestBytes, double readRequestsMbPerSec, long readRequestRecords, double readRequestRecordsPerSec, long writeResponsePendingRecords, long writeResponsePendingBytes, long readResponsePendingRecords, long readResponsePendingBytes, long writeReadRequestPendingRecords, long writeReadRequestPendingBytes, long writeTimeoutEvents, double writeTimeoutEventsPerSec, long readTimeoutEvents, double readTimeoutEventsPerSec, double seconds, long bytes, long records, double recsPerSec, double mbPerSec, double avgLatency, long minLatency, long maxLatency, long invalid, long lowerDiscard, long higherDiscard, long slc1, long slc2, long[] percentileLatencies, long[] percentileLatencyCounts)
      Log the final accumulated totals using SLF4J at info level.
      Specified by:
      printTotal in interface RWLogger
      Overrides:
      printTotal in class SystemLogger
      Parameters:
      writers - number of active writers
      maxWriters - maximum writers seen
      readers - number of active readers
      maxReaders - maximum readers seen
      writeRequestBytes - write request bytes total
      writeRequestMbPerSec - write request throughput in MB/sec
      writeRequestRecords - write request count total
      writeRequestRecordsPerSec - write requests per second
      readRequestBytes - read request bytes total
      readRequestsMbPerSec - read request throughput in MB/sec
      readRequestRecords - read request count total
      readRequestRecordsPerSec - read requests per second
      writeResponsePendingRecords - pending write response records
      writeResponsePendingBytes - pending write response bytes
      readResponsePendingRecords - pending read response records
      readResponsePendingBytes - pending read response bytes
      writeReadRequestPendingRecords - write-read pending records delta
      writeReadRequestPendingBytes - write-read pending bytes delta
      writeTimeoutEvents - write timeout events count
      writeTimeoutEventsPerSec - write timeout events per second
      readTimeoutEvents - read timeout events count
      readTimeoutEventsPerSec - read timeout events per second
      seconds - reporting seconds
      bytes - total bytes processed
      records - total records processed
      recsPerSec - records per second
      mbPerSec - MB per second
      avgLatency - average latency
      minLatency - minimum latency
      maxLatency - maximum latency
      invalid - invalid/negative latency count
      lowerDiscard - discarded below min latency
      higherDiscard - discarded above max latency
      slc1 - sliding latency coverage 1
      slc2 - sliding latency coverage 2
      percentileLatencies - percentile latency values
      percentileLatencyCounts - percentile latency counts