Thank you for responding. I will keep your words in mind. Thank you again.
2020年4月23日(木) 20:38 Erick Erickson <erickerick...@gmail.com>: > Glad those articles helped, I remember them well ;) > > Do note that 30 (well, actually 33%) is usually the ceiling. > But as I mentioned, it’s soft, not absolute. So your index > might have a higher percentage temporarily. > > Best, > Erick > > > On Apr 23, 2020, at 4:01 AM, Kayak28 <kaya.ota....@gmail.com> wrote: > > > > Hello, Erick Erickson: > > > > Thank you for answering my questions. > > > > Deleted docs in Solr 8.3.0 has not reached to 30% of the entire index, > > so I will monitor it for now. > > Again thank you for your response. > > > > Actually, the articles below helped me a lot. > > > https://lucidworks.com/post/segment-merging-deleted-documents-optimize-may-bad/ > > https://lucidworks.com/post/solr-and-optimizing-your-index-take-ii/ > > > > > > Sincerely, > > Kaya Ota > > > > 2020年4月16日(木) 2:41 Erick Erickson <erickerick...@gmail.com>: > > > >> The number of deleted documents will bounce around. > >> The default TieredMergePolicy has a rather complex > >> algorithm that decides which segments to > >> merge, and the percentage of deleted docs in any > >> given segment is a factor, but not the sole determinant. > >> > >> Merging is not really based on the raw number of segments, > >> rather on the number of segments of similar size. > >> > >> But the short answer is “no, you don’t have to configure > >> anything explicitly”. The percentage of deleted docs > >> should max out at around 30% or so, although that’s a > >> soft number, it’s usually lower. > >> > >> Unless you have some provable performance problem, > >> I wouldn’t worry about it. And don’t infer anything > >> until you’ve indexed a _lot_ of docs. > >> > >> Oh, and I kind of dislike numDocs as the trigger and > >> tend to use time on the theory that it’s easier to explain, > >> whereas when commits happen when using maxDocs > >> varies depending on the throughput rate. > >> > >> Best, > >> Erick > >> > >>> On Apr 15, 2020, at 1:28 PM, Kayak28 <kaya.ota....@gmail.com> wrote: > >>> > >>> Hello, Solr Community: > >>> > >>> I would like to ask about Default's Merge Policy for Solr 8.3.0. > >>> My client (SolrJ) makes a commit every 10'000 doc. > >>> I have not explicitly configured Merge Policy via solrconfig.xml > >>> For each indexing time, some documents are updated or deleted. > >>> I think the Default Merge Policy will merge segments automatically > >>> if there are too many segments. > >>> But, the number of deleted documents is increasing. > >>> > >>> Is there a Default Merge Policy Configuration? > >>> Or, do I have to configure it? > >>> > >>> Sincerely, > >>> Kaya Ota > >>> > >>> > >>> > >>> -- > >>> > >>> Sincerely, > >>> Kaya > >>> github: https://github.com/28kayak > >> > >> > > > > -- > > > > Sincerely, > > Kaya > > github: https://github.com/28kayak > > -- Sincerely, Kaya github: https://github.com/28kayak
