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nIndex debug instructions

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Alfredo Cardigliano 2020-03-05 15:16:08 +00:00
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nIndex Debug
------------
nIndex support can be enabled in ntopng setting the dump mode to `nindex`
using the [--dump-flows|-F] <mode> option (-F "inindex").
The same option can be used to debug issues related to the flows dumped
in the database. Available parameters:
-F "nindex;debug" adds extended information to the `JSON` field, this
includes all the information dumped to the database as columns.
-F "nindex;dump" generates a tree of json files containing the same
information dumped to the database. The root folder of this tree is
/var/lib/ntopng/<interface>/flows-json, while the flows database is
created as usual under /var/lib/ntopng/<interface>/flows.
-F "nindex;load" loads flows information from the json dump (if any)
placed under /var/lib/ntopng/<interface>/flows-json and feeds the nindex
database. This is useful to reconstruct the flows database using the
json dump.