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Solr 7.6 query performace question - Solr - [mail # user]
...Well, It Depends (tm).Certainly 2 and 3 are _not_ memory intensive4 depends on the number of terms in the fields.But I suspect your real problem has nothing to do with memory and is . Try q=...
   Author: Erick Erickson , 2019-10-13, 12:26
[expand - 1 more] - Solr 7.6 frequent OOM with Java 9, G1 and large heap sizes - any tests with Java 13 and the new ZGC? - Solr - [mail # user]
...The filterCache isn’t a single huge allocation, it’s made up of _size_ entries, each individual entry shouldn’t be that big, each entry should cap around maxDoc/8 bytes + some overhead.I jus...
   Author: Erick Erickson , 2019-10-14, 12:02
Unable to log into Jira - Solr - [mail # user]
...I was once “Chris Erickson”, but infra straightened it out.> On Oct 15, 2019, at 11:59 AM, Christine Poerschke (BLOOMBERG/ LONDON)  wrote:> > Hi Richard,> > Sorry to hear...
   Author: Erick Erickson , 2019-10-15, 16:05
[expand - 1 more] - Solr 7.2.1 - Performance recommendation needed - Solr - [mail # user]
...Impossible to say, see: https://lucidworks.com/post/sizing-hardware-in-the-abstract-why-we-dont-have-a-definitive-answer/Lucene uses MMapDirectory, see: https://dzone.com/articles/use-lucene...
   Author: Erick Erickson , 2019-10-22, 14:13
Document Update performances Improvement - Solr - [mail # user]
...My first question is always “what’s the bottleneck”? Unless you’re driving your CPUs and/or I/O hard on Solr, the bottleneck is in the acquisition of the docs not on the Solr side.Also, be s...
   Author: Erick Erickson , 2019-10-23, 23:27
[expand - 1 more] - tlogs are not deleted - Solr - [mail # user]
...Why it’s enabled by default: Really it shouldn’t be. Raise a JIRA?Why it’s there in the first place: It’s a leftover from before there was the “full sync” capability so you could intentional...
   Author: Erick Erickson , 2019-10-23, 23:30
[expand - 1 more] - regarding Extracting text from Images - Solr - [mail # user]
...Here’s a blog about why and how to use Tika outside Solr (and an RDBMS too, but you can pull that part out pretty easily):https://lucidworks.com/post/indexing-with-solrj/> On Oct 23, 2019...
   Author: Erick Erickson , 2019-10-23, 23:21
[expand - 4 more] - Solr Paryload example - Solr - [mail # user]
...Bookmarked. Do you intend that this should be incorporated into Solr? If so, please raise a JIRA and link your PR in….Thanks!Erick> On Oct 22, 2019, at 6:56 PM, Vincenzo D'Amore  wro...
   Author: Erick Erickson , 2019-10-23, 12:25
Query on changing FieldType - Solr - [mail # user]
...Really, just don’t do this. Please. As others have pointed out, it may look like it works, but it won’t. I’ve spent many hours tracking down why clients got weird errors after making changes...
   Author: Erick Erickson , 2019-10-23, 12:26
copyField - why source should contain * when dest contains *? - Solr - [mail # user]
...So how would that work? Copyfields are intended to copy exactly one field in the input into exactly one field in the destination, not multiple ones at the same time. If you need to do that, ...
   Author: Erick Erickson , 2019-10-23, 12:11