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INFORMATION_SCHEMA tables
Sergei Petrunia edited this page Nov 6, 2015
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3 revisions
ROCKSDB_PERF_CONTEXT ROCKSDB_CFSTATS == ROCKSDB_INDEX_FILE_MAP
MySQL [information_schema]> select * from ROCKSDB_INDEX_FILE_MAP;
+---------------+--------------+------------+----------+-----------+
| COLUMN_FAMILY | INDEX_NUMBER | SST_NAME | NUM_ROWS | DATA_SIZE |
+---------------+--------------+------------+----------+-----------+
| 0 | 269 | 000030.sst | 47605 | 1428150 |
| 0 | 268 | 000029.sst | 30365 | 910950 |
| 0 | 269 | 000029.sst | 52395 | 1571850 |
| 0 | 267 | 000027.sst | 36 | 756 |
It looks like (COLUMN_FAMILY, INDEX_NUMBER, SST_NAME) combination is unique.
ROCKSDB_CF_OPTIONS ROCKSDB_PERF_CONTEXT_GLOBAL ROCKSDB_DBSTATS ROCKSDB_DDL