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1555 Commits

Author SHA1 Message Date
Jason Tedor a15ba75d93
Fix lock accounting in releasable lock 
Releasble locks hold accounting on who holds the lock when assertions
are enabled. However, the underlying lock can be re-entrant yet we mark
the lock as not held by the current thread as soon as the releasable is
closed. For a re-entrant lock this is not right because the thread could
have entered the lock multiple times. Instead, we have to count how many
times the thread has entered the lock and only mark the lock as not held
by the current thread when the counter reaches zero.

Relates #28202
 2018-01-12 16:17:30 -05:00
Igor Motov c75ac319a6
Add ability to associate an ID with tasks (#27764) 
Adds support for capturing the X-Opaque-Id header from a REST request and storing it's value in the tasks that this request started. It works for all user-initiated tasks (not only search).

Closes #23250

Usage:
```
$ curl -H "X-Opaque-Id: imotov" -H "foo:bar" "localhost:9200/_tasks?pretty&group_by=parents"
{
  "tasks" : {
    "7qrTVbiDQKiZfubUP7DPkg:6998" : {
      "node" : "7qrTVbiDQKiZfubUP7DPkg",
      "id" : 6998,
      "type" : "transport",
      "action" : "cluster:monitor/tasks/lists",
      "start_time_in_millis" : 1513029940042,
      "running_time_in_nanos" : 266794,
      "cancellable" : false,
      "headers" : {
        "X-Opaque-Id" : "imotov"
      },
      "children" : [
        {
          "node" : "V-PuCjPhRp2ryuEsNw6V1g",
          "id" : 6088,
          "type" : "netty",
          "action" : "cluster:monitor/tasks/lists[n]",
          "start_time_in_millis" : 1513029940043,
          "running_time_in_nanos" : 67785,
          "cancellable" : false,
          "parent_task_id" : "7qrTVbiDQKiZfubUP7DPkg:6998",
          "headers" : {
            "X-Opaque-Id" : "imotov"
          }
        },
        {
          "node" : "7qrTVbiDQKiZfubUP7DPkg",
          "id" : 6999,
          "type" : "direct",
          "action" : "cluster:monitor/tasks/lists[n]",
          "start_time_in_millis" : 1513029940043,
          "running_time_in_nanos" : 98754,
          "cancellable" : false,
          "parent_task_id" : "7qrTVbiDQKiZfubUP7DPkg:6998",
          "headers" : {
            "X-Opaque-Id" : "imotov"
          }
        }
      ]
    }
  }
}
```
 2018-01-12 15:34:17 -05:00
Nhat Nguyen 55a14230a7
Do not keep 5.x commits once having 6.x commits (#28188) 
Currently we keep a 5.x index commit as a safe commit until we have a
6.x safe commit. During that time, if peer-recovery happens, a primary
will send a 5.x commit in file-based sync and the recovery will even
fail as the snapshotted commit does not have sequence number tags.

This commit updates the combined deletion policy to delete legacy
commits if there are 6.x commits.

Relates #27606
Relates #28038
 2018-01-11 18:34:17 -05:00
Jason Tedor 8f3e9d60ee Merge branch 'master' into ccr 
* master: (43 commits)
  Rename core module to server (#28180)
  upgraded jna from 4.4.0-1 to 4.5.1 (#28183)
  [TEST] Do not call RandomizedTest.scaledRandomIntBetween from multiple threads
  Primary send safe commit in file-based recovery (#28038)
  [Docs] Correct response json in rank-eval.asciidoc
  Add scroll parameter to _reindex API (#28041)
  Include all sentences smaller than fragment_size in the unified highlighter (#28132)
  Modifies the JavaAPI docs related to AggregationBuilder
  [Docs] Improvements in script-fields.asciidoc (#28174)
  [Docs] Remove Kerberos/SPNEGO Shield plugin (#28019)
  Ignore null value for range field (#27845) (#28116)
  Fix environment variable substitutions in list setting (#28106)
  docs: Replaces indexed script java api docs with stored script api docs
  test: ensure we endup with a single segment
  Make sure that we don't detect files as maven coordinate when installing a plugin (#28163)
  [Tests] temporary disable meta plugin rest tests #28163
  meta-plugin should install bin and config at the top level (#28162)
  Painless: Add public member read/write access test. (#28156)
  Docs: Clarify password protection support with keystore (#28157)
  [Docs] fix plugin properties inclusion for plugins authors
  ...
 2018-01-11 16:41:47 -05:00
Tim Brooks 99f88f15c5
Rename core module to server (#28180) 
This is related to #27933. It renames the core module to server. This is
the first step towards introducing an elasticsearch-core jar.
 2018-01-11 11:30:43 -07:00