object Debug
Collects debugging information for the IPFIX datasource.
NOTE: This may not work in all configurations.
To use this debugging facility, provide a debugMode
argument to
the ipfix
data source method. The prefix of this should
currently be "slices"
or "files"
.
For a prefix of "slices"
, such as "slices/0"
or "slices"
or
"slicesfoo"
, the debugging result will be a collection of
String
s representing the slices to be processed by the data
source. This can be used to verify how the data is being divvied
up between executors.
For a prefix of "files"
, such as "files/237"
or "files"
or
"filesinfo"
, the debugging result will be a collection of
String
s representing the locations to be processed by the data
source. This can be used to verify that the correct data
partitions are being selected.
To retrieve the data for the given debugMode
, index Debug
with
the debugMode
, for example Debug("slices")
or
Debug("files/237")
or the like. The result will be the debugging
output from the last query that used that debugMode
argument.
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This is documentation for Mothra, a collection of Scala and Spark library functions for working with Internet-related data. Some modules contain APIs of general use to Scala programmers. Some modules make those tools more useful on Spark data-processing systems.
Please see the documentation for the individual packages for more details on their use.
Scala Packages
These packages are useful in Scala code without involving Spark:
org.cert.netsa.data
This package, which is collected as the
netsa-data
library, provides types for working with various kinds of information:org.cert.netsa.data.net
- types for working with network dataorg.cert.netsa.data.time
- types for working with time dataorg.cert.netsa.data.unsigned
- types for working with unsigned integral valuesorg.cert.netsa.io.ipfix
The
netsa-io-ipfix
library provides tools for reading and writing IETF IPFIX data from various connections and files.org.cert.netsa.io.silk
To read and write CERT NetSA SiLK file formats and configuration files, use the
netsa-io-silk
library.org.cert.netsa.util
The "junk drawer" of
netsa-util
so far provides only two features: First, a method for equipping Scala scala.collection.Iterators with exception handling. And second, a way to query the versions of NetSA libraries present in a JVM at runtime.Spark Packages
These packages require the use of Apache Spark:
org.cert.netsa.mothra.datasources
Spark datasources for CERT file types. This package contains utility features which add methods to Apache Spark DataFrameReader objects, allowing IPFIX and SiLK flows to be opened using simple
spark.read...
calls.The
mothra-datasources
library contains both IPFIX and SiLK functionality, whilemothra-datasources-ipfix
andmothra-datasources-silk
contain only what's needed for the named datasource.org.cert.netsa.mothra.analysis
A grab-bag of analysis helper functions and example analyses.
org.cert.netsa.mothra.functions
This single Scala object provides Spark SQL functions for working with network data. It is the entirety of the
mothra-functions
library.