Elasticsearch version (bin/elasticsearch --version):
6.0.0
Plugins installed:
JVM version (java -version):
java version "1.8.0_91"
Java(TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)
OS version (uname -a if on a Unix-like system):
Linux b-kk-search-06 2.6.32-431.11.32.el6.ucloud.x86_64 SMP Sun Jun 18 20:58:44 EDT 2017 x86_64 x86_64 x86_64 GNU/Linux
Description of the problem including expected versus actual behavior:
my index (name is material_two ) is very slow for bulk api , and i find a node`s latency is high
then i get to the node`s elasticsearch server`s log ,
it is just behind ,you see, just the index i siad that is slow with bulk api ,material_two.
the index has been work well for more than one week ,just today it become this
the log is very frequency
tail -f search_prod.log
[2019-01-21T18:22:15,854][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:15,860][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,880][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,882][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:15,901][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,912][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:15,922][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,940][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:15,950][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,966][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:15,969][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,992][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:15,994][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:16,022][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:16,030][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:16,045][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:16,059][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:16,065][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:16,085][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:16,086][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:16,104][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request
[2019-01-21T18:22:16,115][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][4] submitting async flush request
[2019-01-21T18:22:16,121][DEBUG][o.e.i.s.IndexShard ] [ES06] [material_two][0] submitting async flush request