[SPARK-4619][Storage]delete redundant time suffix

Time suffix exists in Utils.getUsedTimeMs(startTime), no need to append again, delete that

Author: maji2014 <maji3@asiainfo.com>

Closes #3475 from maji2014/SPARK-4619 and squashes the following commits:

df0da4e [maji2014] delete redundant time suffix
[SPARK-4645][SQL] Disables asynchronous execution in Hive 0.13.1 HiveThriftServer2

This PR disables HiveThriftServer2 asynchronous execution by setting `runInBackground` argument in `ExecuteStatementOperation` to `false`, and reverting `SparkExecuteStatementOperation.run` in Hive 13 shim to Hive 12 version. This change makes Simba ODBC driver v1.0.0.1000 work.

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Author: Cheng Lian <lian@databricks.com>

Closes #3506 from liancheng/disable-async-exec and squashes the following commits:

593804d [Cheng Lian] Disables asynchronous execution in Hive 0.13.1 HiveThriftServer2
Delete unnecessary function

when building spark by sbt, the function “runAlternateBoot" in sbt/sbt-launch-lib.bash is not used. And this function is not used by spark code. So I think this function is not necessary. And the option of "sbt.boot.properties" can be configured in the command line when building spark, eg:
sbt/sbt assembly -Dsbt.boot.properties=$bootpropsfile.

The file from https://github.com/sbt/sbt-launcher-package is changed. And the function “runAlternateBoot" is deleted in upstream project. I think spark project should delete this function in file sbt/sbt-launch-lib.bash. Thanks.

Author: KaiXinXiaoLei <huleilei1@huawei.com>

Closes #3224 from KaiXinXiaoLei/deleteFunction and squashes the following commits:

e8eac49 [KaiXinXiaoLei] Delete blank lines.
efe36d4 [KaiXinXiaoLei] Delete unnecessary function
[SPARK-4643] [Build] Remove unneeded staging repositories from build

The old location will return a 404.

Author: Daoyuan Wang <daoyuan.wang@intel.com>

Closes #3504 from adrian-wang/repo and squashes the following commits:

f604e05 [Daoyuan Wang] already in maven central, remove at all
f494fac [Daoyuan Wang] spark staging repo outdated
[SPARK-4193][BUILD] Disable doclint in Java 8 to prevent from build error.

Author: Takuya UESHIN <ueshin@happy-camper.st>

Closes #3058 from ueshin/issues/SPARK-4193 and squashes the following commits:

e096bb1 [Takuya UESHIN] Add a plugin declaration to pluginManagement.
6762ec2 [Takuya UESHIN] Fix usage of -Xdoclint javadoc option.
fdb280a [Takuya UESHIN] Fix Javadoc errors.
4745f3c [Takuya UESHIN] Merge branch 'master' into issues/SPARK-4193
923e2f0 [Takuya UESHIN] Use doclint option `-missing` instead of `none`.
30d6718 [Takuya UESHIN] Fix Javadoc errors.
b548017 [Takuya UESHIN] Disable doclint in Java 8 to prevent from build error.
[SPARK-4584] [yarn] Remove security manager from Yarn AM.

The security manager adds a lot of overhead to the runtime of the
app, and causes a severe performance regression. Even stubbing out
all unneeded methods (all except checkExit()) does not help.

So, instead, penalize users who do an explicit System.exit() by leaving
them in "undefined behavior" territory: if they do that, the Yarn
backend won't be able to report the final app status to the RM.
The result is that the final status of the application might not match
the user's expectations.

One side-effect of the change is that users who do an explicit
System.exit() will lose the AM retry functionality. Since there is
no way to know if the exit was because of success or failure, the
AM right now errs on the side of it being a successful exit.

Author: Marcelo Vanzin <vanzin@cloudera.com>

Closes #3484 from vanzin/SPARK-4584 and squashes the following commits:

21f2502 [Marcelo Vanzin] Do not retry apps that use System.exit().
4198b3b [Marcelo Vanzin] [SPARK-4584] [yarn] Remove security manager from Yarn AM.
SPARK-1450 [EC2] Specify the default zone in the EC2 script help

This looks like a one-liner, so I took a shot at it. There can be no fixed default availability zone since the names are different per region. But the default behavior can be documented:

```
    if opts.zone == "":
        opts.zone = random.choice(conn.get_all_zones()).name
```

Author: Sean Owen <sowen@cloudera.com>

Closes #3454 from srowen/SPARK-1450 and squashes the following commits:

9193cf3 [Sean Owen] Document that --zone defaults to a single random zone
[SPARK-4597] Use proper exception and reset variable in Utils.createTempDir()

`File.exists()` and `File.mkdirs()` only throw `SecurityException` instead of `IOException`. Then, when an exception is thrown, `dir` should be reset too.

Author: Liang-Chi Hsieh <viirya@gmail.com>

Closes #3449 from viirya/fix_createtempdir and squashes the following commits:

36cacbd [Liang-Chi Hsieh] Use proper exception and reset variable.
MAINTENANCE: Automated closing of pull requests.

This commit exists to close the following pull requests on Github:

Closes #3451 (close requested by 'pwendell')
Closes #1310 (close requested by 'pwendell')
Closes #3207 (close requested by 'JoshRosen')
[SPARK-3398] [SPARK-4325] [EC2] Use EC2 status checks.

This PR re-introduces [0e648bc](https://github.com/apache/spark/commit/0e648bc2bedcbeb55fce5efac04f6dbad9f063b4) from PR #2339, which somehow never made it into the codebase.

Additionally, it removes a now-unnecessary linear backoff on the SSH checks since we are blocking on EC2 status checks before testing SSH.

Author: Nicholas Chammas <nicholas.chammas@gmail.com>

Closes #3195 from nchammas/remove-ec2-ssh-backoff and squashes the following commits:

efb29e1 [Nicholas Chammas] Revert "Remove linear backoff."
ef3ca99 [Nicholas Chammas] reuse conn
adb4eaa [Nicholas Chammas] Remove linear backoff.
55caa24 [Nicholas Chammas] Check EC2 status checks before SSH.
Include the key name when failing on an invalid value.

Admittedly a really small tweak.

Author: Stephen Haberman <stephen@exigencecorp.com>

Closes #3514 from stephenh/include-key-name-in-npe and squashes the following commits:

937740a [Stephen Haberman] Include the key name when failing on an invalid value.
[SPARK-4057] Use -agentlib instead of -Xdebug in sbt-launch-lib.bash for debugging

In -launch-lib.bash, -Xdebug option is used for debugging. We should use -agentlib option for Java 6+.

Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>

Closes #2904 from sarutak/SPARK-4057 and squashes the following commits:

39b5320 [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into SPARK-4057
26b4af8 [Kousuke Saruta] Improved java option for debugging
[SPARK-4505][Core] Add a ClassTag parameter to CompactBuffer[T]

Added a ClassTag parameter to CompactBuffer. So CompactBuffer[T] can create primitive arrays for primitive types. It will reduce the memory usage for primitive types significantly and only pay minor performance lost.

Here is my test code:
```Scala
  // Call org.apache.spark.util.SizeEstimator.estimate
  def estimateSize(obj: AnyRef): Long = {
    val c = Class.forName("org.apache.spark.util.SizeEstimator$")
    val f = c.getField("MODULE$")
    val o = f.get(c)
    val m = c.getMethod("estimate", classOf[Object])
    m.setAccessible(true)
    m.invoke(o, obj).asInstanceOf[Long]
  }

  sc.parallelize(1 to 10000).groupBy(_ => 1).foreach {
    case (k, v) =>
      println(v.getClass() + " size: " + estimateSize(v))
  }
```

Using the previous CompactBuffer outputed
```
class org.apache.spark.util.collection.CompactBuffer size: 313358
```

Using the new CompactBuffer outputed
```
class org.apache.spark.util.collection.CompactBuffer size: 65712
```

In this case, the new `CompactBuffer` only used 20% memory of the previous one. It's really helpful for `groupByKey` when using a primitive value.

Author: zsxwing <zsxwing@gmail.com>

Closes #3378 from zsxwing/SPARK-4505 and squashes the following commits:

4abdbba [zsxwing] Add a ClassTag parameter to reduce the memory usage of CompactBuffer[T] when T is a primitive type
SPARK-4507: PR merge script should support closing multiple JIRA tickets

This will fix SPARK-4507.

For pull requests that reference multiple JIRAs in their titles, it would be helpful if the PR merge script offered to close all of them.

Author: Takayuki Hasegawa <takayuki.hasegawa0311@gmail.com>

Closes #3428 from hase1031/SPARK-4507 and squashes the following commits:

bf6d64b [Takayuki Hasegawa] SPARK-4507: try to resolve issue when no JIRAs in title
401224c [Takayuki Hasegawa] SPARK-4507: moved codes as before
ce89021 [Takayuki Hasegawa] SPARK-4507: PR merge script should support closing multiple JIRA tickets
[DOCS][BUILD] Add instruction to use change-version-to-2.11.sh in 'Building for Scala 2.11'.

To build with Scala 2.11, we have to execute `change-version-to-2.11.sh` before Maven execute, otherwise inter-module dependencies are broken.

Author: Takuya UESHIN <ueshin@happy-camper.st>

Closes #3361 from ueshin/docs/building-spark_2.11 and squashes the following commits:

1d29126 [Takuya UESHIN] Add instruction to use change-version-to-2.11.sh in 'Building for Scala 2.11'.
SPARK-2143 [WEB UI] Add Spark version to UI footer

This PR adds the Spark version number to the UI footer; this is how it looks:

![screen shot 2014-11-21 at 22 58 40](https://cloud.githubusercontent.com/assets/822522/5157738/f4822094-7316-11e4-98f1-333a535fdcfa.png)

Author: Sean Owen <sowen@cloudera.com>

Closes #3410 from srowen/SPARK-2143 and squashes the following commits:

e9b3a7a [Sean Owen] Add Spark version to footer
[SPARK-4623]Add the some error infomation if using spark-sql in yarn-cluster mode

If using spark-sql in yarn-cluster mode, print an error infomation just as the spark shell in yarn-cluster mode.

Author: carlmartin <carlmartinmax@gmail.com>
Author: huangzhaowei <carlmartinmax@gmail.com>

Closes #3479 from SaintBacchus/sparkSqlShell and squashes the following commits:

35829a9 [carlmartin] improve the description of comment
e6c1eb7 [carlmartin] add a comment in bin/spark-sql to remind user who wants to change the class
f1c5c8d [carlmartin] Merge branch 'master' into sparkSqlShell
8e112c5 [huangzhaowei] singular form
ec957bc [carlmartin] Add the some error infomation if using spark-sql in yarn-cluster mode
7bcecc2 [carlmartin] Merge branch 'master' of https://github.com/apache/spark into codereview
4fad75a [carlmartin] Add the Error infomation using spark-sql in yarn-cluster mode
[SPARK-4656][Doc] Typo in Programming Guide markdown

Grammatical error in Programming Guide document

Author: lewuathe <lewuathe@me.com>

Closes #3412 from Lewuathe/typo-programming-guide and squashes the following commits:

a3e2f00 [lewuathe] Typo in Programming Guide markdown
[DOC] Fixes formatting typo in SQL programming guide

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Author: Cheng Lian <lian@databricks.com>

Closes #3498 from liancheng/fix-sql-doc-typo and squashes the following commits:

865ecd7 [Cheng Lian] Fixes formatting typo in SQL programming guide
MAINTENANCE: Automated closing of pull requests.

This commit exists to close the following pull requests on Github:

Closes #2915 (close requested by 'JoshRosen')
Closes #3140 (close requested by 'JoshRosen')
Closes #3366 (close requested by 'JoshRosen')