Hi All,
I'm new to Solr. I saw this post relating to Merging of indexes. I
have a similar doubt. From the post, I understand that merging of indexes
across different cores is possible only if the cores exist o a single
machine. I want to merge indexes of different machines. Can you please
explain me the different ways of doing this?
Say I have N+1 Solr engines of which there are N different masters and the
remaining 1 is meant for merging all N indexes together. How I have decided
to merge N indexes to 1 is this.
1. Dynamically edit the solrconfig.xml file of the N+1st system to point as
a slave to different master each time. Hence a total of N trials would be
needed to cover all N masters.
2. During every trial I shall replicate the index of the master and store it
in a different folder. Say index1 from master1, index2 from master2 .....
indexn from masterN.
3. After all indexes are replicated and moved/renamed to local directory, I
shall perform a merge of all indexes.
What problems will I have in implementing this? How efficient would be this?
I believe all index folders will have to be available locally to perform
merging. If not, please tell me how better can I do merge remote indexes.
Another question I have is about MergeFactor. If I set the mergefactor as 5,
will Solr automatically takes care of merging the segments to 1 if the
number of segments reach 5? How this can be exploited?
Your assistance is sincerely appreciated.
Regards,
Sudarshan
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