suxiaogang223 commented on code in PR #63809:
URL: https://github.com/apache/doris/pull/63809#discussion_r3345575541
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fe/fe-core/src/main/java/org/apache/doris/tablefunction/MetadataGenerator.java:
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@@ -1828,6 +1828,7 @@ private static TFetchSchemaTableDataResult
metaCacheStatsMetadataResult(TSchemaT
trow.addToColumnValue(new TCell().setDoubleVal(
entryStats.getAverageLoadPenaltyNanos() /
TimeUnit.MILLISECONDS.toNanos(1)));
trow.addToColumnValue(new
TCell().setLongVal(entryStats.getEvictionCount())); // EVICTION_COUNT
+ trow.addToColumnValue(new
TCell().setDoubleVal(entryStats.getEvictionRate())); // EVICTION_RATE
Review Comment:
Thanks for the review. For this information_schema system table, we do not
require FE/BE mixed-version schema compatibility. A version mismatch on this
path will not cause a coredump: the BE scanner returns an InternalError when
the returned column count does not match, and FE-side fetchSchemaTableData
catches exceptions and returns an error result. The actual new-FE/new-BE
failure was fixed by syncing the BE scanner column descriptor with the new
EVICTION_RATE column.
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