Search times may increase when segment number is getting high, do you create new documents since upgrading?
Maybe you can post a _stats output of a slow index? Or is something in the slow query log? For myself, I decided to always reindex everything after a Lucene version change, to get a clean index structure from ground up. Jörg On Mon, Apr 21, 2014 at 9:55 AM, mega <[email protected]> wrote: > 1.7.0_21, everything is the same, except update to 1.1 now, i'm really > confusing right now. > > > On Monday, April 21, 2014 3:49:55 PM UTC+8, Jörg Prante wrote: > >> Yes, Lucene version changed. >> >> What JVM version do you use? >> >> Jörg >> >> >> On Mon, Apr 21, 2014 at 9:44 AM, mega <[email protected]> wrote: >> >>> I'm using 0.90.3 before, have 1 master node, 1 search balance node and 2 >>> data nodes, including 5 indexes, the data directory in each data server is >>> about 101g, and 24.3% is deleted documents. >>> >>> The data servers have 24 cores and 32g memory and only running one >>> elasticsearch process, the jvm arguments are -Xms12g -Xmx12g -Xss256k >>> -Djava.awt.headless=true -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX: >>> CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly >>> -XX:+HeapDumpOnOutOfMemoryError. >>> >>> We got hundreds request per second, average delay time was about 40ms. >>> >>> And last friday we update elasticsearch to 1.1.0 version, and we didn't >>> reindex the documents, just switch to 1.1 and restart all the elasticsearch >>> processes, seems ok, but today i found out the dalay time become much >>> higher than before, the average delay time is beyond 500ms. >>> >>> I guess maybe because lucene's data structure has changed and we didn't >>> reindex the documents, so there are some extra consume? >>> >>> Is there anyone know the reason and solution or has the same problem, >>> it's very urgent. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "elasticsearch" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >>> To view this discussion on the web visit https://groups.google.com/d/ >>> msgid/elasticsearch/0fdd1420-0110-4a28-85d0-ec6b26e13ad9% >>> 40googlegroups.com<https://groups.google.com/d/msgid/elasticsearch/0fdd1420-0110-4a28-85d0-ec6b26e13ad9%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/9af8b9f8-4604-4bb3-80c0-a4ae6dc75b28%40googlegroups.com<https://groups.google.com/d/msgid/elasticsearch/9af8b9f8-4604-4bb3-80c0-a4ae6dc75b28%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAKdsXoHNDFLReMnL_g4Yv2Je-do2MV52CBO00qbh1OvQcKCm4Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
