Hi Shawn, > If the two collections have data on the same server(s), I can see this > happening. More memory is consumed when there is additional data, and > when Solr needs more memory, performance might be affected. The > solution is generally to install more memory in the server.
I have found that even after we delete the index in collection2, the query QTime for collection1 still remains slow. It does not goes back to its previous fast speed before we index collection2. Regards, Edwin On Thu, 24 Jan 2019 at 11:13, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Hi Shawn, > > Thanks for your reply. > > The log only shows a list the following and I don't see any other logs > besides these. > > 2019-01-24 02:47:57.925 INFO (qtp2131952342-1330) [c:collectioin1 > s:shard1 r:core_node4 x:collection1_shard1_replica_n2] > o.a.s.u.p.StatelessScriptUpdateProcessorFactory update-script#processAdd: > id=13245417 > 2019-01-24 02:47:57.957 INFO (qtp2131952342-1330) [c:collectioin1 > s:shard1 r:core_node4 x:collection1_shard1_replica_n2] > o.a.s.u.p.StatelessScriptUpdateProcessorFactory update-script#processAdd: > id=13245430 > 2019-01-24 02:47:57.957 INFO (qtp2131952342-1330) [c:collectioin1 > s:shard1 r:core_node4 x:collection1_shard1_replica_n2] > o.a.s.u.p.StatelessScriptUpdateProcessorFactory update-script#processAdd: > id=13245435 > > There is no change to the segments info. but the slowdown in the first > collection is very drastic. > Before the indexing of collection2, the collection1 query QTime are in the > range of 4 to 50 ms. However, after indexing collection2, the collection1 > query QTime increases to more than 1000 ms. The index are done in CSV > format, and the size of the index is 3GB. > > Regards, > Edwin > > > > On Thu, 24 Jan 2019 at 01:09, Shawn Heisey <apa...@elyograg.org> wrote: > >> On 1/23/2019 10:01 AM, Zheng Lin Edwin Yeo wrote: >> > I am using Solr 7.5.0, and currently I am facing an issue of when I am >> > indexing in collection2, the indexing affects the records in >> collection1. >> > Although the records are still intact, it seems that the settings of the >> > termVecotrs get wipe out, and the index size of collection1 reduced from >> > 3.3GB to 2.1GB after I do the indexing in collection2. >> >> This should not be possible. Indexing in one collection should have >> absolutely no effect on another collection. >> >> If logging has been left at its default settings, the solr.log file >> should have enough info to show what actually happened. >> >> > Also, the search in >> > collection1, which was originall very fast, becomes very slow after the >> > indexing is done is collection2. >> >> If the two collections have data on the same server(s), I can see this >> happening. More memory is consumed when there is additional data, and >> when Solr needs more memory, performance might be affected. The >> solution is generally to install more memory in the server. If the >> system is working, there should be no need to increase the heap size >> when the memory size increases ... but there can be situations where the >> heap is a little bit too small, where you WOULD want to increase the >> heap size. >> >> Thanks, >> Shawn >> >>
