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…ntImpl ### What changes were proposed in this pull request? After we adding a new field `stats` into `CatalogTable`, we should not expose Hive-specific Stats metadata to `MetastoreRelation`. It complicates all the related codes. It also introduces a bug in `SHOW CREATE TABLE`. The statistics-related table properties should be skipped by `SHOW CREATE TABLE`, since it could be incorrect in the newly created table. See the Hive JIRA: https://issues.apache.org/jira/browse/HIVE-13792 Also fix the issue to fill Hive-generated RowCounts to our stats. This PR is to handle Hive-specific Stats metadata in `HiveClientImpl`. ### How was this patch tested? Added a few test cases. Author: Xiao Li <gatorsmile@gmail.com> Closes #14971 from gatorsmile/showCreateTableNew.
…festForR ## What changes were proposed in this pull request? - Add a null check to RPackageUtils#checkManifestForR so that jars w/o manifests don't NPE. ## How was this patch tested? - Unit tests and manual tests. Author: James Shuster <jshuster@palantir.com> Closes #18040 from jrshust/feature/r-package-utils.
## What changes were proposed in this pull request? This change skips tests that use the Hadoop libraries while running on CRAN check with Windows as the operating system. This is to handle cases where the Hadoop winutils binaries are missing on the target system. The skipped tests consist of 1. Tests that save, load a model in MLlib 2. Tests that save, load CSV, JSON and Parquet files in SQL 3. Hive tests ## How was this patch tested? Tested by running on a local windows VM with HADOOP_HOME unset. Also testing with https://win-builder.r-project.org Author: Shivaram Venkataraman <shivaram@cs.berkeley.edu> Closes #17966 from shivaram/sparkr-windows-cran.
… parsing consistent with old sql parser behavior ## What changes were proposed in this pull request? As srowen pointed in 609ba5f#commitcomment-22221259, the previous tests are not proper. This follow-up is going to fix the tests. ## How was this patch tested? Jenkins tests. Please review http://spark.apache.org/contributing.html before opening a pull request. Author: Liang-Chi Hsieh <viirya@gmail.com> Closes #18048 from viirya/SPARK-20399-follow-up.
…ar SVM summary. ## What changes were proposed in this pull request? Joint coefficients with intercept for SparkR linear SVM summary. ## How was this patch tested? Existing tests. Author: Yanbo Liang <ybliang8@gmail.com> Closes #18035 from yanboliang/svm-r.
## What changes were proposed in this pull request? This patch renames BroadcastHint to ResolvedHint (and Hint to UnresolvedHint) so the hint framework is more generic and would allow us to introduce other hint types in the future without introducing new hint nodes. ## How was this patch tested? Updated test cases. Author: Reynold Xin <rxin@databricks.com> Closes #18072 from rxin/SPARK-20857.
The contribution is my original work and I license the work to the project under the project’s open source license. Note: the Teradata JDBC connector limits the row size to 64K. The default string datatype equivalent I used is a 255 character/byte length varchar. This effectively limits the max number of string columns to 250 when using the Teradata jdbc connector. ## What changes were proposed in this pull request? Added a teradataDialect for JDBC connection to Teradata. The Teradata dialect uses VARCHAR(255) in place of TEXT for string datatypes, and CHAR(1) in place of BIT(1) for boolean datatypes. ## How was this patch tested? I added two unit tests to double check that the types get set correctly for a teradata jdbc url. I also ran a couple manual tests to make sure the jdbc connector worked with teradata and to make sure that an error was thrown if a row could potentially exceed 64K (this error comes from the teradata jdbc connector, not from the spark code). I did not check how string columns longer than 255 characters are handled. Author: Kirby Linvill <kirby.linvill@teradata.com> Author: klinvill <kjlinvill@gmail.com> Closes #16746 from klinvill/master.
GulajavaMinistudio
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Jul 20, 2020
…or its output partitioning
### What changes were proposed in this pull request?
Currently, the `BroadcastHashJoinExec`'s `outputPartitioning` only uses the streamed side's `outputPartitioning`. However, if the join type of `BroadcastHashJoinExec` is an inner-like join, the build side's info (the join keys) can be added to `BroadcastHashJoinExec`'s `outputPartitioning`.
For example,
```Scala
spark.conf.set("spark.sql.autoBroadcastJoinThreshold", "500")
val t1 = (0 until 100).map(i => (i % 5, i % 13)).toDF("i1", "j1")
val t2 = (0 until 100).map(i => (i % 5, i % 13)).toDF("i2", "j2")
val t3 = (0 until 20).map(i => (i % 7, i % 11)).toDF("i3", "j3")
val t4 = (0 until 100).map(i => (i % 5, i % 13)).toDF("i4", "j4")
// join1 is a sort merge join.
val join1 = t1.join(t2, t1("i1") === t2("i2"))
// join2 is a broadcast join where t3 is broadcasted.
val join2 = join1.join(t3, join1("i1") === t3("i3"))
// Join on the column from the broadcasted side (i3).
val join3 = join2.join(t4, join2("i3") === t4("i4"))
join3.explain
```
You see that `Exchange hashpartitioning(i2#103, 200)` is introduced because there is no output partitioning info from the build side.
```
== Physical Plan ==
*(6) SortMergeJoin [i3#29], [i4#40], Inner
:- *(4) Sort [i3#29 ASC NULLS FIRST], false, 0
: +- Exchange hashpartitioning(i3#29, 200), true, [id=#55]
: +- *(3) BroadcastHashJoin [i1#7], [i3#29], Inner, BuildRight
: :- *(3) SortMergeJoin [i1#7], [i2#18], Inner
: : :- *(1) Sort [i1#7 ASC NULLS FIRST], false, 0
: : : +- Exchange hashpartitioning(i1#7, 200), true, [id=#28]
: : : +- LocalTableScan [i1#7, j1#8]
: : +- *(2) Sort [i2#18 ASC NULLS FIRST], false, 0
: : +- Exchange hashpartitioning(i2#18, 200), true, [id=#29]
: : +- LocalTableScan [i2#18, j2#19]
: +- BroadcastExchange HashedRelationBroadcastMode(List(cast(input[0, int, false] as bigint))), [id=#34]
: +- LocalTableScan [i3#29, j3#30]
+- *(5) Sort [i4#40 ASC NULLS FIRST], false, 0
+- Exchange hashpartitioning(i4#40, 200), true, [id=#39]
+- LocalTableScan [i4#40, j4#41]
```
This PR proposes to introduce output partitioning for the build side for `BroadcastHashJoinExec` if the streamed side has a `HashPartitioning` or a collection of `HashPartitioning`s.
There is a new internal config `spark.sql.execution.broadcastHashJoin.outputPartitioningExpandLimit`, which can limit the number of partitioning a `HashPartitioning` can expand to. It can be set to "0" to disable this feature.
### Why are the changes needed?
To remove unnecessary shuffle.
### Does this PR introduce _any_ user-facing change?
Yes, now the shuffle in the above example can be eliminated:
```
== Physical Plan ==
*(5) SortMergeJoin [i3#108], [i4#119], Inner
:- *(3) Sort [i3#108 ASC NULLS FIRST], false, 0
: +- *(3) BroadcastHashJoin [i1#86], [i3#108], Inner, BuildRight
: :- *(3) SortMergeJoin [i1#86], [i2#97], Inner
: : :- *(1) Sort [i1#86 ASC NULLS FIRST], false, 0
: : : +- Exchange hashpartitioning(i1#86, 200), true, [id=#120]
: : : +- LocalTableScan [i1#86, j1#87]
: : +- *(2) Sort [i2#97 ASC NULLS FIRST], false, 0
: : +- Exchange hashpartitioning(i2#97, 200), true, [id=#121]
: : +- LocalTableScan [i2#97, j2#98]
: +- BroadcastExchange HashedRelationBroadcastMode(List(cast(input[0, int, false] as bigint))), [id=#126]
: +- LocalTableScan [i3#108, j3#109]
+- *(4) Sort [i4#119 ASC NULLS FIRST], false, 0
+- Exchange hashpartitioning(i4#119, 200), true, [id=#130]
+- LocalTableScan [i4#119, j4#120]
```
### How was this patch tested?
Added new tests.
Closes apache#28676 from imback82/broadcast_join_output.
Authored-by: Terry Kim <yuminkim@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
GulajavaMinistudio
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Jan 6, 2025
…ead pool ### What changes were proposed in this pull request? This PR aims to use a meaningful class name prefix for REST Submission API thread pool instead of the default value of Jetty QueuedThreadPool, `"qtp"+super.hashCode()`. https://github.com/dekellum/jetty/blob/3dc0120d573816de7d6a83e2d6a97035288bdd4a/jetty-util/src/main/java/org/eclipse/jetty/util/thread/QueuedThreadPool.java#L64 ### Why are the changes needed? This is helpful during JVM investigation. **BEFORE (4.0.0-preview2)** ``` $ SPARK_MASTER_OPTS='-Dspark.master.rest.enabled=true' sbin/start-master.sh $ jstack 28217 | grep qtp "qtp1925630411-52" #52 daemon prio=5 os_prio=31 cpu=0.07ms elapsed=19.06s tid=0x0000000134906c10 nid=0xde03 runnable [0x0000000314592000] "qtp1925630411-53" #53 daemon prio=5 os_prio=31 cpu=0.05ms elapsed=19.06s tid=0x0000000134ac6810 nid=0xc603 runnable [0x000000031479e000] "qtp1925630411-54" #54 daemon prio=5 os_prio=31 cpu=0.06ms elapsed=19.06s tid=0x000000013491ae10 nid=0xdc03 runnable [0x00000003149aa000] "qtp1925630411-55" #55 daemon prio=5 os_prio=31 cpu=0.08ms elapsed=19.06s tid=0x0000000134ac9810 nid=0xc803 runnable [0x0000000314bb6000] "qtp1925630411-56" #56 daemon prio=5 os_prio=31 cpu=0.04ms elapsed=19.06s tid=0x0000000134ac9e10 nid=0xda03 runnable [0x0000000314dc2000] "qtp1925630411-57" #57 daemon prio=5 os_prio=31 cpu=0.05ms elapsed=19.06s tid=0x0000000134aca410 nid=0xca03 runnable [0x0000000314fce000] "qtp1925630411-58" #58 daemon prio=5 os_prio=31 cpu=0.04ms elapsed=19.06s tid=0x0000000134acaa10 nid=0xcb03 runnable [0x00000003151da000] "qtp1925630411-59" #59 daemon prio=5 os_prio=31 cpu=0.06ms elapsed=19.06s tid=0x0000000134acb010 nid=0xcc03 runnable [0x00000003153e6000] "qtp1925630411-60-acceptor-0108e9815-ServerConnector1e497474{HTTP/1.1, (http/1.1)}{M3-Max.local:6066}" #60 daemon prio=3 os_prio=31 cpu=0.11ms elapsed=19.06s tid=0x00000001317ffa10 nid=0xcd03 runnable [0x00000003155f2000] "qtp1925630411-61-acceptor-11d90f2aa-ServerConnector1e497474{HTTP/1.1, (http/1.1)}{M3-Max.local:6066}" #61 daemon prio=3 os_prio=31 cpu=0.10ms elapsed=19.06s tid=0x00000001314ed610 nid=0xcf03 waiting on condition [0x00000003157fe000] ``` **AFTER** ``` $ SPARK_MASTER_OPTS='-Dspark.master.rest.enabled=true' sbin/start-master.sh $ jstack 28317 | grep StandaloneRestServer "StandaloneRestServer-52" #52 daemon prio=5 os_prio=31 cpu=0.09ms elapsed=60.06s tid=0x00000001284a8e10 nid=0xdb03 runnable [0x000000032cfce000] "StandaloneRestServer-53" #53 daemon prio=5 os_prio=31 cpu=0.06ms elapsed=60.06s tid=0x00000001284acc10 nid=0xda03 runnable [0x000000032d1da000] "StandaloneRestServer-54" #54 daemon prio=5 os_prio=31 cpu=0.05ms elapsed=60.06s tid=0x00000001284ae610 nid=0xd803 runnable [0x000000032d3e6000] "StandaloneRestServer-55" #55 daemon prio=5 os_prio=31 cpu=0.09ms elapsed=60.06s tid=0x00000001284aec10 nid=0xd703 runnable [0x000000032d5f2000] "StandaloneRestServer-56" #56 daemon prio=5 os_prio=31 cpu=0.06ms elapsed=60.06s tid=0x00000001284af210 nid=0xc803 runnable [0x000000032d7fe000] "StandaloneRestServer-57" #57 daemon prio=5 os_prio=31 cpu=0.05ms elapsed=60.06s tid=0x00000001284af810 nid=0xc903 runnable [0x000000032da0a000] "StandaloneRestServer-58" #58 daemon prio=5 os_prio=31 cpu=0.06ms elapsed=60.06s tid=0x00000001284afe10 nid=0xcb03 runnable [0x000000032dc16000] "StandaloneRestServer-59" #59 daemon prio=5 os_prio=31 cpu=0.05ms elapsed=60.06s tid=0x00000001284b0410 nid=0xcc03 runnable [0x000000032de22000] "StandaloneRestServer-60-acceptor-04aefbaa8-ServerConnector44284d85{HTTP/1.1, (http/1.1)}{M3-Max.local:6066}" #60 daemon prio=3 os_prio=31 cpu=0.13ms elapsed=60.05s tid=0x000000015cda1a10 nid=0xcd03 runnable [0x000000032e02e000] "StandaloneRestServer-61-acceptor-148976251-ServerConnector44284d85{HTTP/1.1, (http/1.1)}{M3-Max.local:6066}" #61 daemon prio=3 os_prio=31 cpu=0.12ms elapsed=60.05s tid=0x000000015cd1c810 nid=0xce03 waiting on condition [0x000000032e23a000] ``` ### Does this PR introduce _any_ user-facing change? No, the thread names are accessed during the debugging. ### How was this patch tested? Manual review. ### Was this patch authored or co-authored using generative AI tooling? No. Closes apache#48924 from dongjoon-hyun/SPARK-50385. Authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: panbingkun <panbingkun@apache.org>
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