Hello, Community: Thank you for replying to my email. Your responses were very helpful.
2020年4月23日(木) 20:35 Erick Erickson <erickerick...@gmail.com>: > In addition to what Dario mentioned, background merges > happen all the time, optimize is just a special case (and > very expensive). > > You say “one of my Solr cores has 47G”, but segment merging > can easily occur on multiple cores at once, so that’s not > definitive. > > We usually recommend that people have at least as much free > space on disk as the aggregate of _all_ the cores/replicas on > a physical machine. > > More than you may want to know about segment merging: > > https://lucidworks.com/post/segment-merging-deleted-documents-optimize-may-bad/ > > Best, > Erick > > > On Apr 23, 2020, at 4:38 AM, Dario Rigolin <dario.rigo...@comperio.it> > wrote: > > > > When solr starts an optimization of the index you have to have free at > > least same size (I don't know if 3 times is correct) of the core you are > > optimizing. > > Maybe your free space isn't enough to handle the optimization process. > > Sometimes you have to restart the Solr process to have released more > space > > on the filesystem, couple of time solr didn't release all space. > > > > > > > > Il giorno gio 23 apr 2020 alle ore 10:23 Kayak28 <kaya.ota....@gmail.com > > > > ha scritto: > > > >> Hello, Community: > >> > >> I am currently using Solr 5.3.1. on CentOS. > >> The other day, I faced an error message that shows > >> " java.io.IOException: No space left on device" > >> > >> My disk for Solr has empty space about 35GB > >> and the total amount of the disk is 581GB. > >> > >> I doubted there was no enough space for Linux inode, > >> but inode still has spaces. (IUse was 1% ) > >> > >> One of my Solr cores has 47GB of indexes. > >> > >> Is there a possibility that the error happens when I do forceMerge on > the > >> big core > >> (which I believe optimize needs temporarily 3 times spaces of > index-size)? > >> Or is there any other possibility to cause the error? > >> > >> > >> Any Clues are very helpful. > >> > >> -- > >> > >> Sincerely, > >> Kaya > >> github: https://github.com/28kayak > >> > > > > > > -- > > > > Dario Rigolin > > Comperio srl - CTO > > Mobile: +39 347 7232652 - Office: +39 0425 471482 > > Skype: dario.rigolin > > -- Sincerely, Kaya github: https://github.com/28kayak
