The second internal node, when present, wasn't able to join the existing cluster due ti misconfigured unicast hosts, thus it would form its own cluster.
we need that in order for refresh to be effective and actually refresh in the second round of indexing, otherwise, it caches a 0 docs shard and a refresh won't expire anything there
A request level flag, defaults to be unset, to control the query cache. When not set, it defaults to the index level settings, when explicitly set, will override the index level setting
closes#7167
In the case of inserts the UpdateHelper class will now allow the script used to apply updates to run on the upsert doc provided by clients. This allows the logic for managing the internal state of the data item to be managed by the script and is not reliant on clients performing the initialisation of data structures managed by the script.
Closes#7143
The query cache allow to cache the (binary serialized) response of the shard level query phase execution based on the actual request as the key. The cache is fully coherent with the semantics of NRT, with a refresh (that actually ended up refreshing) causing previous cached entries on the relevant shard to be invalidated and eventually evicted.
This change enables query caching as an opt in index level setting, called `index.cache.query.enable` and defaults to `false`. The setting can be changed dynamically on an index. The cache is only enabled for search requests with search_type count.
The indices query cache is a node level query cache. The `indices.cache.query.size` controls what is the size (bytes wise) the cache will take, and defaults to `1%` of the heap. Note, this cache is very effective with small values in it already. There is also the advanced option to set `indices.cache.query.expire` that allow to control after a certain time of inaccessibility the cache will be evicted.
Note, the request takes the search "body" as is (bytes), and uses it as the key. This means same JSON but with different key order will constitute different cache entries.
This change includes basic stats (shard level, index/indices level, and node level) for the query cache, showing how much is used and eviction rates.
While this is a good first step, and the goal is to get it in, there are a few things that would be great additions to this work, but they can be done as additional pull requests:
- More stats, specifically cache hit and cache miss, per shard.
- Request level flag, defaults to "not set" (inheriting what the setting is).
- Allowing to change the cache size using the cluster update settings API
- Consider enabling the cache to query phase also when asking hits are involved, note, this will only include the "top docs", not the actual hits.
- See if there is a performant manner to solve the "out of order" of keys in the JSON case.
- Maybe introduce a filter element, that is outside of the request, that is checked, and if it matches all docs in a shard, will not be used as part of the key. This will help with time based indices and moving windows for shards that fall "inside" the window to be more effective caching wise.
- Add a more infra level support in search context that allows for any element to mark the search as non deterministic (on top of the support for "now"), and use it to not cache search responses.
closes#7161
This adds support to return the "Access-Control-Allow-Credentials" header
if needed, so CORS will work flawlessly with authenticated applications.
Closes#6380
AND and OR filter docs talk about different targets for the operators. I
believe that both should be described in terms of modifying other 'filters'.
I also added articles for easier (human) parsing. This fixes#4762Closes#7165
It's now possible to define the additional customesettings for transport clients by extending `transportClientSettings` callback method on `ElasticsearchIntegrationTest`.
Filters and Queries now supports `time_zone` parameter which defines which time zone should be applied to the query or filter to convert it to UTC time based value.
When applied on `date` fields the `range` filter and queries accept also a `time_zone` parameter.
The `time_zone` parameter will be applied to your input lower and upper bounds and will move them to UTC time based date:
[source,js]
--------------------------------------------------
{
"constant_score": {
"filter": {
"range" : {
"born" : {
"gte": "2012-01-01",
"lte": "now",
"time_zone": "+1:00"
}
}
}
}
}
{
"range" : {
"born" : {
"gte": "2012-01-01",
"lte": "now",
"time_zone": "+1:00"
}
}
}
--------------------------------------------------
In the above examples, `gte` will be actually moved to `2011-12-31T23:00:00` UTC date.
NOTE: if you give a date with a timezone explicitly defined and use the `time_zone` parameter, `time_zone` will be
ignored. For example, setting `from` to `2012-01-01T00:00:00+01:00` with `"time_zone":"+10:00"` will still use `+01:00` time zone.
Closes#3729.
Our transport relies on action names that tell what we need to do with each message received and sent on any node, together with the content of the request itself.
The action names could use a better categorization and more consistent naming though, the following are the categories introduced with this commit:
- indices: for all the apis that execute against indices
- admin: for the apis that allow to perform administration tasks against indices
- data: for the apis that are about data
- read: apis that read data
- write: apis that write data
- benchmark: apis that run benchmarks
- cluster: for all the cluster apis
- admin: for the cluster apis that allow to perform administration tasks
- monitor: for the cluster apis that allow to monitor the system
- internal: for all the internal actions that are used from node to node but not directly exposed to users
The change is applied in a backwards compatible manner: we keep the mapping old-to-new action name around, and when receiving a message, depending on the version of the node we receive it from, we use the received action name or we convert it to the previous version (old to new if version < 1.4). When sending a message, depending on the version of the node we talk to, we use the updated action or we convert it to the previous version (new to old if version < 1.4).
For the cases where we don't know the version of the node we talk to, namely unicast ping, transport client nodes info and transport client sniff mode (which calls cluster state), we just use a lower bound for the version, thus we will always use the old action name, which can be understood by both old nodes and new nodes.
Added test that enforces known updated categories for transport action names and test that verifies all action names have a pre 1.4 version for bw compatibility
Added backwards compatibility tests for unicast and transport client in sniff mode, the one for the ordinary transport client (which calls nodes info) is implicit as it's used all the time in our bw comp tests.
Added also backwards comp test that sends an empty message to any of the registered transport handler exposed by older nodes and verifies that what gets back is not ActionNotFoundTransportException, which would mean that there is a problem in the actions mappings.
Added TestCluster#getClusterName abstract method and allow to retrieve externalTransportAddress and internalCluster from CompositeTestCluster.
Closes#7105
If simultaneous create & delete operations arrive against the same id,
it's possible that primary and replica see those operations in
different orders, which may result in replica throwing
DocumentAlreadyExistsException when the primary didn't which would
lead to replica being inconsistent (missing a document that primary
had indexed).
This push fixes the issue, by never throwing DAEE from the replica on
create.
Closes#7146#7142
Made sure that the routing required check is performed against the concrete index, added use of aliases to existing routing tests.
Taken the change to unify the failure message as well to this form: routing is required for [" + index + "]/[" + type + "]/[" + id + "]
Closes#7145
Before the index reader used by the percolator didn't allow to register a CoreCloseListener, but now it does, making it safe to cache index field data cache entries.
Creating field data structures is relatively expensive and caching them can save a lot of noise if many queries are evaluated in a percolator call.
Closes#6806Closes#7081
Fields of type `token_count`, `murmur3`, `_all` and `_field_names` are generated only when indexing.
If a GET requests accesses the transaction log (because no refresh
between indexing and GET request) then these fields cannot be retrieved at all.
Before the behavior was so:
`_all, _field_names`: The field was siletly ignored
`murmur3, token_count`: `NumberFormatException` because GET tried to parse the values from the source.
In addition, if these fields were not stored, the same behavior occured if the fields were
retrieved with GET after a `refresh()` because here also the source was used to get the fields.
Now, GET accepts a parameter `ignore_errors_on_generated_fields` which has
the following effect:
- Throw exception with meaningful error message explaining the problem if set to false (default)
- Ignore the field if set to true
- Always ignore the field if it was not set to stored
This changes the behavior for `_all` and `_field_names` as now an Exception is thrown if a user
tries to GET them before a `refresh()`.
closes#6676closes#6973
Allow to set the value default to network.tcp.no_delay and network.tcp.keep_alive so they won't be set at all, since on solaris, setting tcpNoDelay can actually cause failure
relates to #7115
CliTool is a base class for command-line interface tools (such as the plugin manager and potentially others). It supports the following:
- single or multi command tool
- help printing infrastructure (based on help files)
- consistent mechanism of parsing arguments (based on commons-cli lib)
- separation of argument parsing and command execution (for easier unit testing)
- terminal abstraction (will use System.console() when available)
A multi-bucket aggregation where multiple filters can be defined (each filter defines a bucket). The buckets will collect all the documents that match their associated filter.
This aggregation can be very useful when one wants to compare analytics between different criterias. It can also be accomplished using multiple definitions of the single filter aggregation, but here, the user will only need to define the sub-aggregations only once.
Closes#6118
Now that we have explicit support for aliases when creating indices and as part of index templates, we may remove support for aliases (only names) as part of index settings. This is partially breaking as the following calls:
curl -XPUT localhost:9200/index -d '{
"settings" : {
"aliases" : [ "alias1"]
}
}
and
curl -XPUT localhost:9200/index -d '{
"settings" : {
"index.aliases" : [ "alias1"]
}
}
were previously supported and will need to be replaced with
curl -XPUT localhost:9200/index -d '{
"aliases" : {
"alias1": {}
}
}
Closes#5545
The histogram reduce method can run into an infinite loop if the
Rounding.nextRoundingValue value is buggy, which happened to be the case for
DayTimeZoneRoundingFloor.
DayTimeZoneRoundingFloor is fixed, and the histogram reduce method has been
changed to fail instead of running into an infinite loop in case of a buffy
nextRoundingValue impl.
Close#6965
Clinton Gormley
javanna
Adrien Grand
uboness
mikemccand
Shay Banon
markharwood
Alexander Reelsen
Konrad Feldmeier
Lee Hinman
Jun Ohtani
Colin Goodheart-Smithe
David Pilato
Martijn van Groningen
Britta Weber
Areek Zillur
Skye Book
Stefan Antoni
Kurt Hurtado