On 4/10/2018 9:14 AM, Erick Erickson wrote:
The very first thing I'd do is set up a simple SolrCloud setup and
give it a spin. Unless your indexing load is quite heavy, the added
work the NRT replicas have in SolrCloud isn't a problem so worrying
about that is premature optimization unless you have a heavy load.....


Also, you should understand something that has come to my attention
recently (and is backed up by documentation):  If the master does a soft
commit and the segment that was committed remains in memory (not flushed
to disk), that segment will NOT be replicated to the slaves.  It has to
get flushed to disk before it can be replicated.

Erick, I wasn't sure whether you caught onto that part of what I said.  The "backed up by documentation" part is this:  The reference guide specifically says that TLOG and PULL replica types do not support NRT indexing (soft commit).  I was actually unaware of that limitation, but in hindsight it makes sense.


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