bobhan1 commented on code in PR #19917:
URL: https://github.com/apache/doris/pull/19917#discussion_r1224265291
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be/src/vec/sink/vtablet_sink.h:
##########
@@ -447,6 +449,73 @@ class IndexChannel {
std::map<int64_t, std::vector<std::pair<int64_t, int64_t>>>
_tablets_received_rows;
};
+struct FetchAutoIncIDExecutor {
+ FetchAutoIncIDExecutor();
+
+ static FetchAutoIncIDExecutor* GetInstance() {
+ static FetchAutoIncIDExecutor instance;
+ return &instance;
+ }
+
+ std::unique_ptr<ThreadPool> _pool;
+};
+
+// estimate the number of remaining rows based on the rows read and bytes read
+struct RowsEstimator {
+ static constexpr size_t BATCH_INTERVAL = 5000;
Review Comment:
I used to want to use `RowsEstimator` to estimate the remaining rows based
on the total size of the stream load files, but later I found that FE set the
parameter of `filesize` to -1 for stream load task to indicate that its a
stream. So currently this class is not used.
I think I can make `_prefetch_size`/`_batch_size` and
`_low_water_level_mark`/`_batch_size` in `AutoIncIDBuffer` config by user
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