cxzl25 commented on code in PR #2371:
URL: https://github.com/apache/orc/pull/2371#discussion_r2344221223
##########
java/core/src/java/org/apache/orc/OrcConf.java:
##########
@@ -182,6 +187,9 @@ public enum OrcConf {
"added to all of the writers. Valid range is [1,10000] and is primarily
meant for" +
"testing. Setting this too low may negatively affect performance."
+ " Use orc.stripe.row.count instead if the value larger than
orc.stripe.row.count."),
+ STRIPE_SIZE_CHECK("orc.stripe.size.check",
"hive.exec.orc.default.stripe.size.check",
+ 128L * 1024 * 1024,
Review Comment:
Can you consider the configuration according to the scale of stripe size?
`orc.stripe.size`*ratio
##########
java/core/src/java/org/apache/orc/impl/WriterImpl.java:
##########
@@ -325,9 +327,9 @@ public boolean checkMemory(double newScale) throws
IOException {
}
private boolean checkMemory() throws IOException {
- if (rowsSinceCheck >= ROWS_PER_CHECK) {
+ long size = treeWriter.estimateMemory();
Review Comment:
I suggest that if the conditions do not meet the requirements, the call
frequency of `estimateMemory` is appropriately reduced.
```suggestion
long size = rowsSinceCheck < ROWS_PER_CHECK && STRIPE_SIZE_CHECK <= 0
? 0 : treeWriter.estimateMemory();
```
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