kkhatua commented on a change in pull request #1507: DRILL-6715: Update
descriptions for System Options table
URL: https://github.com/apache/drill/pull/1507#discussion_r227489287
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java
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@@ -145,23 +156,28 @@ private ExecConstants() {
// Hash Aggregate Options
public static final String HASHAGG_NUM_PARTITIONS_KEY =
"exec.hashagg.num_partitions";
- public static final LongValidator HASHAGG_NUM_PARTITIONS_VALIDATOR = new
RangeLongValidator(HASHAGG_NUM_PARTITIONS_KEY, 1, 128, null); // 1 means - no
spilling
+ public static final LongValidator HASHAGG_NUM_PARTITIONS_VALIDATOR = new
RangeLongValidator(HASHAGG_NUM_PARTITIONS_KEY, 1, 128,
+ new OptionDescription("Sets the initial number of internal partitions
for Hash Aggregates. Default is 32. May reduce when memory is too small.
Disables spilling if set to 1.")); // 1 means - no spilling
public static final String HASHAGG_MAX_MEMORY_KEY = "exec.hashagg.mem_limit";
- public static final LongValidator HASHAGG_MAX_MEMORY_VALIDATOR = new
RangeLongValidator(HASHAGG_MAX_MEMORY_KEY, 0, Integer.MAX_VALUE, null);
+ public static final LongValidator HASHAGG_MAX_MEMORY_VALIDATOR = new
RangeLongValidator(HASHAGG_MAX_MEMORY_KEY, 0, Integer.MAX_VALUE,
+ new OptionDescription("Enforces the value set as the maximum memory for
the Hash Aggregates. Default is 0 (disabled)."));
Review comment:
That would be a lot of content in the description. I'll see if I can trim it
down without losing context.
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