Mark, to you point "...Any queries will use a primary or a replica without concern."
I understand the indexing request will always be sent to the primary shard first but aren't queries sent to Primary (just in case replica is momentarily out of sync). On Tue, Feb 10, 2015 at 3:34 PM, Mark Walkom <[email protected]> wrote: > It doesn't matter as long as your shard count is balanced. > > The only difference between a primary and a replica is a flag that makes > the cluster see it as a primary. Any queries will use a primary or a > replica without concern. > > On 11 February 2015 at 09:11, Josh Harris <[email protected]> > wrote: > >> Just getting started with ElasticSearch, and I'm taking on a couple of >> tasks as I get more familiar with it. >> >> We recently restarted the six nodes in our ES cluster to perform the >> patch for the Ghost vulnerability. We turned off reallocation, shut down >> the individual nodes, then rebooted each node and turned reallocation back >> on. >> >> We have 12 shards per index and one replica index. After the reboot of >> all the nodes, we ended up with some nodes with three primary shards and >> one replica index and some with three replicas and one primary shard. >> >> Is there a way to prevent this mismatch in the distribution of our >> primary and replica shards? Would like to have 2 primary shards and 2 >> replica shard per node. >> >> Also, is there a way to change a shard from a replica to a primary shard >> without doing a relocation? >> >> -- >> 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/5ef0b6f3-6acf-4014-8746-1a7d236326e3%40googlegroups.com >> <https://groups.google.com/d/msgid/elasticsearch/5ef0b6f3-6acf-4014-8746-1a7d236326e3%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/CAEYi1X8bFZY%2B8QpmD1m52fQ5B%3DystN2i9LDCbKKniUUfTQ5QwA%40mail.gmail.com > <https://groups.google.com/d/msgid/elasticsearch/CAEYi1X8bFZY%2B8QpmD1m52fQ5B%3DystN2i9LDCbKKniUUfTQ5QwA%40mail.gmail.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/CAH53p97D8FG7gwgoktkAR0Nj1M_0ZzC%3Dr5-VjxSYf98EqL271Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
