sashapolo commented on code in PR #2487:
URL: https://github.com/apache/ignite-3/pull/2487#discussion_r1303265289
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modules/storage-rocksdb/src/main/java/org/apache/ignite/internal/storage/rocksdb/instance/SharedRocksDbInstanceCreator.java:
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@@ -197,10 +199,10 @@ private ColumnFamilyOptions createCfOptions(byte[]
cfName, Path path) {
return add(new ColumnFamilyOptions());
case PARTITION:
- return add(new
ColumnFamilyOptions().useFixedLengthPrefixExtractor(PartitionDataHelper.ROW_PREFIX_SIZE));
+ return
add(defaultCfOptions().useCappedPrefixExtractor(PartitionDataHelper.ROW_PREFIX_SIZE));
Review Comment:
If I understood the C++ code correctly, FixedLengthExtractor does not enable
prefix seek if a given prefix's length is less than configured (e.g. when we do
seek on a table ID + partion ID) only. I can't say that it makes a difference,
though (at least I haven't noticed it)
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