providing self-update:
I found that I could create cross-request cache using next script (like a
cross-request incrementer):
POST /test/_search
{
query: {match_all:{}},
script_fields: {
a: {
script: "import groovy.lang.Script;class A extends Script{static
i=0;def run() {i++}}",
lang: "groovy"
}
}
}
In good view mode the script is:
import groovy.lang.Script
class A extends Script{
static i=0
def run() {
i++
}
}
Actually here *i* variable is not thread-safe, but idea is clean - you need
define a class, inherited from Script and implement abstract method run.
Also this class is access on each node-thread.
Now I'm looking for a solution to make a query-scope type counter (for
one-node configuration). I think it's could be done by passing unique
query_id in parameters, but I'm afraid of making code non thread safe, or
vice versa - thread safe, but with reduce performance.
Researching more...
--
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 elasticsearch+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/elasticsearch/fb402d2c-8820-4a1f-99e0-0453c0c82cf6%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
