hejufang commented on code in PR #24322:
URL: https://github.com/apache/flink/pull/24322#discussion_r1521505824
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flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBProperty.java:
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@@ -31,55 +31,92 @@
*/
@Internal
public enum RocksDBProperty {
- NumImmutableMemTable("num-immutable-mem-table"),
- MemTableFlushPending("mem-table-flush-pending"),
- CompactionPending("compaction-pending"),
- BackgroundErrors("background-errors"),
- CurSizeActiveMemTable("cur-size-active-mem-table"),
- CurSizeAllMemTables("cur-size-all-mem-tables"),
- SizeAllMemTables("size-all-mem-tables"),
- NumEntriesActiveMemTable("num-entries-active-mem-table"),
- NumEntriesImmMemTables("num-entries-imm-mem-tables"),
- NumDeletesActiveMemTable("num-deletes-active-mem-table"),
- NumDeletesImmMemTables("num-deletes-imm-mem-tables"),
- EstimateNumKeys("estimate-num-keys"),
- EstimateTableReadersMem("estimate-table-readers-mem"),
- NumSnapshots("num-snapshots"),
- NumLiveVersions("num-live-versions"),
- EstimateLiveDataSize("estimate-live-data-size"),
- TotalSstFilesSize("total-sst-files-size"),
- LiveSstFilesSize("live-sst-files-size"),
- EstimatePendingCompactionBytes("estimate-pending-compaction-bytes"),
- NumRunningCompactions("num-running-compactions"),
- NumRunningFlushes("num-running-flushes"),
- ActualDelayedWriteRate("actual-delayed-write-rate"),
- IsWriteStopped("is-write-stopped"),
- BlockCacheCapacity("block-cache-capacity"),
- BlockCacheUsage("block-cache-usage"),
- BlockCachePinnedUsage("block-cache-pinned-usage");
+ NumImmutableMemTable("num-immutable-mem-table", PropertyType.NUMBER),
+ MemTableFlushPending("mem-table-flush-pending", PropertyType.NUMBER),
+ CompactionPending("compaction-pending", PropertyType.NUMBER),
+ BackgroundErrors("background-errors", PropertyType.NUMBER),
+ CurSizeActiveMemTable("cur-size-active-mem-table", PropertyType.NUMBER),
+ CurSizeAllMemTables("cur-size-all-mem-tables", PropertyType.NUMBER),
+ SizeAllMemTables("size-all-mem-tables", PropertyType.NUMBER),
+ NumEntriesActiveMemTable("num-entries-active-mem-table",
PropertyType.NUMBER),
+ NumEntriesImmMemTables("num-entries-imm-mem-tables", PropertyType.NUMBER),
+ NumDeletesActiveMemTable("num-deletes-active-mem-table",
PropertyType.NUMBER),
+ NumDeletesImmMemTables("num-deletes-imm-mem-tables", PropertyType.NUMBER),
+ EstimateNumKeys("estimate-num-keys", PropertyType.NUMBER),
+ EstimateTableReadersMem("estimate-table-readers-mem", PropertyType.NUMBER),
+ NumSnapshots("num-snapshots", PropertyType.NUMBER),
+ NumLiveVersions("num-live-versions", PropertyType.NUMBER),
+ EstimateLiveDataSize("estimate-live-data-size", PropertyType.NUMBER),
+ TotalSstFilesSize("total-sst-files-size", PropertyType.NUMBER),
+ LiveSstFilesSize("live-sst-files-size", PropertyType.NUMBER),
+ EstimatePendingCompactionBytes("estimate-pending-compaction-bytes",
PropertyType.NUMBER),
+ NumRunningCompactions("num-running-compactions", PropertyType.NUMBER),
+ NumRunningFlushes("num-running-flushes", PropertyType.NUMBER),
+ ActualDelayedWriteRate("actual-delayed-write-rate", PropertyType.NUMBER),
+ IsWriteStopped("is-write-stopped", PropertyType.NUMBER),
+ BlockCacheCapacity("block-cache-capacity", PropertyType.NUMBER),
+ BlockCacheUsage("block-cache-usage", PropertyType.NUMBER),
+ BlockCachePinnedUsage("block-cache-pinned-usage", PropertyType.NUMBER),
+ NumFilesAtLevel("num-files-at-level", PropertyType.STRING);
private static final String ROCKS_DB_PROPERTY_FORMAT = "rocksdb.%s";
private static final String CONFIG_KEY_FORMAT =
"state.backend.rocksdb.metrics.%s";
- private final String property;
+ private final String propertyName;
- RocksDBProperty(String property) {
- this.property = property;
+ private final PropertyType type;
+
+ /** Property type. */
+ public enum PropertyType {
+ NUMBER,
+ STRING
}
- /**
- * @return property string that can be used to query {@link
- * RocksDB#getLongProperty(ColumnFamilyHandle, String)}.
- */
- public String getRocksDBProperty() {
- return String.format(ROCKS_DB_PROPERTY_FORMAT, property);
+ RocksDBProperty(String propertyName, PropertyType type) {
+ this.propertyName = propertyName;
+ this.type = type;
+ }
+
+ public String getPropertyName() {
+ return this.propertyName;
+ }
+
+ public static RocksDBProperty getRocksDBProperty(final String property) {
+ // NumFilesAtLevel controls multiple levels of file count monitoring,
each a separate metric
+ if (property.startsWith(NumFilesAtLevel.getPropertyName())) {
+ return NumFilesAtLevel;
+ }
+ for (final RocksDBProperty rocksDBProperty : RocksDBProperty.values())
{
Review Comment:
@Zakelly @masteryhx It sounds reasonable and I have modified it as suggested.
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