Thank you Shawn. Le sam. 17 déc. 2022 à 20:39, Shawn Heisey <[email protected]> a écrit :
> On 12/17/22 04:07, Dominique Bejean wrote: > > solr.log.18:394492:2022-11-23 14:45:37.134 INFO > (zkCallback-5-thread-128) > > [ ] o.a.s.h.CdcrLeaderStateManager Received new leader state @ > SSSS:shard1 > > solr.log.18:418525:2022-11-23 14:45:48.533 INFO (Thread-2218) [c:SSSS > > s:shard1 r:core_node90 x:SSSS_shard1_replica_t89] > o.a.s.s.SolrIndexSearcher > > Opening [Searcher@39764e3a[SSSS_shard1_replica_t89] main] > > solr.log.18:418626:2022-11-23 14:45:49.535 INFO (Thread-2218) [c:SSSS > > s:shard1 r:core_node90 x:SSSS_shard1_replica_t89] > o.a.s.s.SolrIndexSearcher > > Opening [Searcher@3dd70403[SSSS_shard1_replica_t89] main] > > solr.log.18:418667:2022-11-23 14:45:50.090 INFO > > (recoveryExecutor-4-thread-13-processing-n:no2fyy27.noe.edf.fr:8984 > _solr > > x:SSSS_shard1_replica_t89 c:SSSS s:shard1 r:core_node90) [c:SSSS s:shard1 > > r:core_node90 x:SSSS_shard1_replica_t89] o.a.s.s.SolrIndexSearcher > Opening > > [Searcher@4a51a759[SSSS_shard1_replica_t89] main] > > solr.log.18:418682:2022-11-23 14:45:50.153 INFO > > (recoveryExecutor-4-thread-13-processing-n:no2fyy27.noe.edf.fr:8984 > _solr > > x:SSSS_shard1_replica_t89 c:SSSS s:shard1 r:core_node90) [c:SSSS s:shard1 > > r:core_node90 x:SSSS_shard1_replica_t89] o.a.s.h.CdcrRequestHandler Solr > > core is being closed - shutting down CDCR handler @ SSSS:shard1 > > I've got no idea on the CDCR stuff. Haven't used it. I believe it has > been removed from Solr... at least I know it was deprecated. Not sure > which version that happened in. I think the note below about TLOG > replicas might apply here too. > > > solr.log.18:454048:2022-11-23 14:59:21.351 INFO (Thread-2668) [c:SSSS > > s:shard1 r:core_node90 x:SSSS_shard1_replica_t89] > o.a.s.s.SolrIndexSearcher > > Opening [Searcher@273ebecf[SSSS_shard1_replica_t89] main] > > solr.log.18:454403:2022-11-23 14:59:21.993 INFO (Thread-2668) [c:SSSS > > s:shard1 r:core_node90 x:SSSS_shard1_replica_t89] > o.a.s.s.SolrIndexSearcher > > Opening [Searcher@711992c5[SSSS_shard1_replica_t89] main] > > solr.log.18:454484:2022-11-23 14:59:22.588 INFO > > (recoveryExecutor-4-thread-17-processing-n:no2fyy27.noe.edf.fr:8984 > _solr > > x:SSSS_shard1_replica_t89 c:SSSS s:shard1 r:core_node90) [c:SSSS s:shard1 > > r:core_node90 x:SSSS_shard1_replica_t89] o.a.s.s.SolrIndexSearcher > Opening > > [Searcher@5258502d[SSSS_shard1_replica_t89] main] > > solr.log.18:454502:2022-11-23 14:59:22.609 INFO > > (recoveryExecutor-4-thread-17-processing-n:no2fyy27.noe.edf.fr:8984 > _solr > > x:SSSS_shard1_replica_t89 c:SSSS s:shard1 r:core_node90) [c:SSSS s:shard1 > > r:core_node90 x:SSSS_shard1_replica_t89] o.a.s.h.CdcrRequestHandler Solr > > core is being closed - shutting down CDCR handler @ SSSS:shard1 > > This is a tlog replica. Which means that unless it is the leader > replica for the shard, it behaves very differently -- exactly like a > PULL replica would except that in addition to replicating the index, it > also replicates the transaction log. > > A TLOG follower or a PULL replica does commits very differently than the > leader. Those commits are related to new index segments being copied > from the leader. On the leader, lots of new segments can be created by > indexing, before a commit happens. > > If you see a note about a realtime searcher being created, that is very > different than the kind of searcher opened by a commit. That is a > searcher used by the /get handler for accessing even records that have > not yet been committed. Realtime searchers open fairly quickly because > they do not have to do any warming. > > Thanks, > Shawn >
