I am actually happy to drive the feature for Ignite 3. FTS is very important for me and I think Ignite users will benefit from it greatly.
If it makes sense to be focusing on Ignite 3 for this capability, I am eager to contribute there and lead the development. Please share your thoughts. On Fri, Jul 23, 2021 at 3:21 PM Andrey Mashenkov <andrey.mashen...@gmail.com> wrote: > > Hi Atri, > > All the Jira tickets we have on the Full-text search (FTS) thing are > targeted to Ignite 2. > > AFAIK, we want, but we have NOT committed to FTS support in Ignite 3, yet. > By the way, we are getting requests for this thing from the user side, and > definitely, > FTS would be a valuable feature for Ignite. > > It will be great if the one wants to drive it, any help will be appreciated. > > > On Fri, Jul 23, 2021 at 12:12 PM Atri Sharma <a...@apache.org> wrote: > > > Hello, > > > > An update, please. I am working through persistence of Lucene index using > > Ignite Dictionary, and will be asking some questions soon. > > > > I had one doubt - - where does this change go? Ignite 3? > > > > Also, I know we want to build native support for text searches in Ignite 3. > > Is the work I am proposing here part of that, or will that be a separate > > effort? > > > > On Mon, 28 Jun 2021, 19:20 Ilya Kasnacheev, <ilya.kasnach...@gmail.com> > > wrote: > > > > > Hello! > > > > > > I think that number one is the most important one, then maybe it will see > > > more use and other deficiencies become more apparent, leading to more > > > tickets and visibility. > > > > > > Maybe 2. and 3. will even use a different approach when persistence is > > > implemented. > > > > > > Regards, > > > -- > > > Ilya Kasnacheev > > > > > > > > > пн, 28 июн. 2021 г. в 14:34, Atri Sharma <a...@apache.org>: > > > > > > > Hello Again! > > > > > > > > I have been looking into the aforementioned and here are my follow up > > > > thoughts: > > > > > > > > 1. Support persistence of Lucene indexes. > > > > 2. https://issues.apache.org/jira/browse/IGNITE-12401 (Needs fixing of > > > > moving partitions first) > > > > 3. Figure out how to return scores from nodes and use them as sort > > > > parameters on the coordinator node > > > > (https://issues.apache.org/jira/browse/IGNITE-12291) > > > > > > > > Please let me know if this looks ok to make text queries functional? > > > > > > > > Atri > > > > > > > > On Mon, Jun 21, 2021 at 2:49 PM Alexei Scherbakov > > > > <alexey.scherbak...@gmail.com> wrote: > > > > > > > > > > Hi. > > > > > > > > > > One of the biggest issues with text queries is a lack of support for > > > > lucene > > > > > indices persistence, which makes this functionality useless if a > > > > > persistence is enabled. > > > > > > > > > > I would first take care of it. > > > > > > > > > > пн, 21 июн. 2021 г. в 12:16, Maksim Timonin <timonin.ma...@gmail.com > > >: > > > > > > > > > > > Hi, Atri! > > > > > > > > > > > > You're right, Actually there is a lack of support for TextQueries. > > > For > > > > the > > > > > > last ticket I'm doing I see some obvious issues with them (no page > > > size > > > > > > support, for example). I'm glad that somebody wants to maintain > > this > > > > > > functionality. Thanks a lot! > > > > > > > > > > > > For the MergeSort algorithm there is already a patch for that [1]. > > > It's > > > > > > currently on review. This patch introduces an abstract reducer for > > > > > > CacheQueries with 2 implementations (unordered, merge-sort). Then > > > > TextQuery > > > > > > leverages on MergeSort to order results from multiple nodes by > > score. > > > > This > > > > > > patch also fixes the pageSize issue, I've mentioned before. Could > > you > > > > > > please check if it fully matches your idea? Any issues or comments > > > are > > > > > > welcome. > > > > > > > > > > > > I've prepared this ticket, because I need the MergeSort algorithm > > for > > > > the > > > > > > new type of queries I'm implementing (IndexQuery, it should also > > > > provide > > > > > > ordered results over multiple nodes). Currently I'm not planning to > > > go > > > > > > further with TextQuery, so if you're going to support this it'll > > be a > > > > great > > > > > > contribution, I think. > > > > > > > > > > > > [1] https://issues.apache.org/jira/browse/IGNITE-14703 > > > > > > [2] https://github.com/apache/ignite/pull/9081 > > > > > > > > > > > > > > > > > > On Mon, Jun 21, 2021 at 11:11 AM Atri Sharma <a...@apache.org> > > > wrote: > > > > > > > > > > > > > Hi All, > > > > > > > > > > > > > > I have been looking into our text queries support and see that it > > > has > > > > > > > limited community support. > > > > > > > > > > > > > > Therefore, I volunteer to be the maintainer of the module and > > work > > > on > > > > > > > enhancing it further. > > > > > > > > > > > > > > First goal would be to move to Lucene 8.x, then work on sorted > > > reduce > > > > > > > - merge across nodes. Fundamentally, this is doable since Lucene > > > > ranks > > > > > > > documents according to their score, and documents are returned in > > > the > > > > > > > order of their score. Since the scoring function is homogeneous, > > > this > > > > > > > means that across nodes, we can compare scores and merge sort. > > > > > > > > > > > > > > Please let me know if I can take this up. > > > > > > > > > > > > > > Atri > > > > > > > > > > > > > > -- > > > > > > > Regards, > > > > > > > > > > > > > > Atri > > > > > > > Apache Concerted > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > Best regards, > > > > > Alexei Scherbakov > > > > > > > > -- > > > > Regards, > > > > > > > > Atri > > > > Apache Concerted > > > > > > > > > > > > -- > Best regards, > Andrey V. Mashenkov -- Regards, Atri Apache Concerted
