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native Thread - solr 8.2.0 -
Solr - [mail # user]
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| ...We’ve run into this fatal problem with 6.6 in prod. It gets overloaded, make 4000 threads, runs out of memory, and dies.Not an acceptable design. Excess load MUST be rejected, otherwise the ... |
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Is it possible to have different Stop words depending on the value of a field? -
Solr - [mail # user]
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| ...The best approach is to not use stop words at all. That gives better relevance with less configuration, so it is a total win.wunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood... |
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A Last Message to the Solr Users -
Solr - [mail # user]
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| ...I’m a big fan of master/slave Solr. Super robust and trivial to scale-out.Solr Cloud has been useful for managing sharding and replicas, but less robust than I would like. Also less robust t... |
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Prevent Solr overwriting documents -
Solr - [mail # user]
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| ...That would be “do-not-overwrite”.wunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood.org/ (my blog)> On Nov 27, 2019, at 4:38 PM, Walter Underwood wrote:> >... |
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Prevent Solr overwriting documents - Solr - [mail # user]
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| ...Even if that works, it is evil as something to leave in a client codebase. Maybe a do-no-overwrite flag would be useful.wunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood.org/... |
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Zk upconfig command is appending local directory to default confdir -
Solr - [mail # user]
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| ...I found the zk uploading stuff to be under-documented. Plus, it requires installing Solr on the deployment machine.So I used the Python kazoo package and wrote my own uploader.wunderWalter U... |
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using fq means no results -
Solr - [mail # user]
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| ...I explain it this way:* fq: filtering* q: filtering and scoring* bq: scoringwunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood.org/ (my blog)> On Nov 12, 2019, at 9:0... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work -
Solr - [mail # user]
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| ...If we had IDF for phrases, they would be super effective. The 2X weight is a hack that mostly works.Infoseek had phrase IDF and it was a killer algorithm for relevance.wunderWalter Underwood... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work - Solr - [mail # user]
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| ...I always enable phrase searching in edismax for exactly this reason.Something like: title^8 keywords^4 text title^16 keywords^8 text^2To d... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work - Solr - [mail # user]
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| ...But when you change it to AND, a single misspelling means zero results. That is usually not helpful.wunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood.org/ (my blog)>... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work - Solr - [mail # user]
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| ...I normally use a weight of 8 for the most important field, like title. Other fields might get a 4 or 2.I add a “pf” field with the weights doubled, so that phrase matches have a higher weigh... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work - Solr - [mail # user]
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| ...Thanks for posting the files. Looking at schema.xml, I see that you still are using StopFilterFactory. The first advice we gave you was to remove that.Remove StopFilterFactory everywhere and... |
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When search term has two stopwords ('and' and 'a') together, it doesn't work - Solr - [mail # user]
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| ...No.The solr.StopFilter removes all tokens that are stopwords. Those words will not be in the index, so they can never match a query.1. Remove the lines with solr.StopFilter from every analys... |
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Delete documents from the Solr index using SolrJ -
Solr - [mail # user]
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| ...If it is the same document, why are you changing the ID? Use the same ID and you are done. You won’t need to delete previous versions.wunderWalter Underwood[EMAIL PROTECTED]http://observer.w... |
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Protecting Tokens from Any Analysis -
Solr - [mail # user]
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| ...I wouldn’t worry about performance with that setup. I just checked on a productionsystem with 13 million docs in four shards, so 3+ million per shard. I searched onthe most common term in th... |
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Protecting Tokens from Any Analysis - Solr - [mail # user]
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| ...We did something like that with Infoseek and Ultraseek. We had a set of “glue words” that made noun phrases and indexed patterns like “noun glue noun”as single tokens.I remember Doug Cutting... |
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Re: Protecting Tokens from Any Analysis - Solr - [mail # user]
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| ...Stopwords were used when we were running search engines on 16-bit computers with 50 Megabyte disks, like the PDP-11. They avoided storing and processing long posting lists.Think of removing ... |
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Solr standalone timeouts after upgrading to SOLR 7 -
Solr - [mail # user]
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| ...Just set Xms and Xmx the same. The server will be running for weeks,so allocate the memory and get on with it.wunderWalter Underwood[EMAIL PROTECTED]http://observer.wunderwood.org/ (my... |
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Solr standalone timeouts after upgrading to SOLR 7 - Solr - [mail # user]
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| ...I don’t think having the initial heap larger than the max heap is a legal configuration.I have no idea what that would do.Modern GCs have a separate area for short-lived allocations. When th... |
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Solr standalone timeouts after upgrading to SOLR 7 - Solr - [mail # user]
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| ...> On Oct 3, 2019, at 9:31 AM, ndra wrote:> > I was under the impression that by allocating a smaller initial HEAP I> could avoid having a larger GCs but if I am understandi... |
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Solr standalone timeouts after upgrading to SOLR 7 - Solr - [mail # user]
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| ...Always make Xmx and Xms the same. The heap will increase to the max before a major GC, so avoid the pauses to grow it.Use the G1 collector. CMS is really obsolete. We’ve had G1 in prod for a... |
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