solr-import-export-json

Import/Export (or Restore/Backup) a Solr collection from/to a json file.

As the title states, this little project will help you to save your collection in json format and restore it where and when you need.

Please report issues at https://github.com/freedev/solr-import-export-json/issues

Install

To execute this console app you need to satisfy few dependency (java 8, git, maven), if you are a java developer probably you already have everything, on the other hand if not if you have Linux execute the following commands:

sudo apt-get update
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk
sudo apt-get install maven

git clone https://github.com/freedev/solr-import-export-json.git
cd solr-import-export-json
mvn clean package

Now you're ready.

How to use it

This is the list of command line parameters.

usage: myapp [-a <arg>] [-b <arg>] [-C] [-c <arg>] [-d] [-D] [-f <arg>]
       [-F <arg>] [-h] [-i <arg>] [-k <arg>] [-o <arg>] [-p <arg>] [-s
       <arg>] [-S <arg>] [-u <arg>] [-x <arg>]
solr-import-export-json

 -a,--actionType <arg>           action type
                                 [import|export|backup|restore]
 -b,--blockSize <arg>            block size (default 5000 documents)
 -C,--disableCursors             disable Solr cursors while reading
 -c,--commitDuringImport <arg>   Commit progress after specified number of
                                 docs. If not specified, whole work will
                                 be committed.
 -d,--deleteAll                  delete all documents before import
 -D,--dryRun                     dry run test
 -f,--filterQuery <arg>          filter Query during export
 -F,--dateTimeFormat <arg>       set custom DateTime format (default
                                 yyyy-MM-dd'T'HH:mm:ss.SSS'Z')
 -h,--help                       help
 -i,--includeFields <arg>        simple comma separated fields list to be
                                 used during export. if not specified all
                                 the existing fields are used
 -k,--uniqueKey <arg>            specify unique key for deep paging
 -o,--output <arg>               output file
 -p,--password <arg>             basic auth password
 -s,--solrUrl <arg>              solr url -
                                 http://localhost:8983/solr/collection_nam
                                 e
 -S,--skipFields <arg>           comma separated fields list to skip
                                 during export/import, this field list
                                 accepts for each field prefix/suffix a
                                 wildcard *. So you can specify skip all
                                 fields starting with name_*
 -u,--user <arg>                 basic auth username
 -x,--skipCount <arg>            Number of documents to be skipped when
                                 loading from file. Useful when an error
                                 occurs, so loading can continue from last
                                 successful save.

Real life examples

export all documents into a json file

./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json

import documents from json

./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json

export part of documents, like adding a fq Solr parameter to the export

 ./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --filterQuery field:value

import documents from json but first delete all documents in the collection

 ./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json --deleteAll

export documents and skip few fields. In the example the will be skipped the fields: field1_a, all the fields starting with field2_ and all the fields ending with _date

 ./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --skipFields field1_a,field2_*,*_date

Import documents, skip first 49835000 records from file, commit every 200000 documents, block size 5000 (faster than default 500)

./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json -x 49835000 -c 200000 -b 5000

tspannhw / solr-import-export-json Goto Github PK

solr-import-export-json's Introduction

solr-import-export-json

Import/Export (or Restore/Backup) a Solr collection from/to a json file.

Install

How to use it

Real life examples

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