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[Minor][Doc][SQL] Fix two documents regarding size in bytes #14341

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viirya wants to merge 2 commits into from
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[Minor][Doc][SQL] Fix two documents regarding size in bytes #14341

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2b555f4
Fix doc.
viirya Jul 25, 2016
4df7315
For comment.
viirya Jul 27, 2016
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12 changes: 7 additions & 5 deletions sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,9 @@ object SQLConf {
.doc("Configures the maximum size in bytes for a table that will be broadcast to all worker " +
"nodes when performing a join. By setting this value to -1 broadcasting can be disabled. " +
"Note that currently statistics are only supported for Hive Metastore tables where the " +
"command<code>ANALYZE TABLE &lt;tableName&gt; COMPUTE STATISTICS noscan</code> has been run.")
"command<code>ANALYZE TABLE &lt;tableName&gt; COMPUTE STATISTICS noscan</code> has been " +
"run, and file-based data source tables where the statistics are computed directly on " +
"the files of data.")
.longConf
.createWithDefault(10L * 1024 * 1024)

Expand All @@ -122,10 +124,10 @@ object SQLConf {

val DEFAULT_SIZE_IN_BYTES = SQLConfigBuilder("spark.sql.defaultSizeInBytes")
.internal()
.doc("The default table size used in query planning. By default, it is set to a larger " +
"value than `spark.sql.autoBroadcastJoinThreshold` to be more conservative. That is to say " +
"by default the optimizer will not choose to broadcast a table unless it knows for sure " +
"its size is small enough.")
.doc("The default table size used in query planning. By default, it is set to Long.MaxValue " +
"which is larger than `spark.sql.autoBroadcastJoinThreshold` to be more conservative. " +
"That is to say by default the optimizer will not choose to broadcast a table unless it " +
"knows for sure its size is small enough.")
.longConf
.createWithDefault(-1)

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