Nicklee007 commented on code in PR #3802:
URL: https://github.com/apache/bookkeeper/pull/3802#discussion_r1135345694
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/storage/ldb/KeyValueStorageRocksDB.java:
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@@ -374,6 +382,36 @@ public void compact(byte[] firstKey, byte[] lastKey)
throws IOException {
}
}
+ @Override
+ public void compact() throws IOException {
+ try {
+ final long start = System.currentTimeMillis();
+ final int oriRocksDBFileCount = db.getLiveFilesMetaData().size();
+ final long oriRocksDBSize = getRocksDBSize();
+ log.info("Starting RocksDB {} compact, current RocksDB hold {}
files and {} Bytes.",
+ db.getName(), oriRocksDBFileCount, oriRocksDBSize);
+
+ db.compactRange();
+
+ final long end = System.currentTimeMillis();
+ final int rocksDBFileCount = db.getLiveFilesMetaData().size();
+ final long rocksDBSize = getRocksDBSize();
+ log.info("RocksDB {} compact finished {} ms, space reduced {}
Bytes, current hold {} files and {} Bytes.",
+ db.getName(), end - start, oriRocksDBSize - rocksDBSize,
rocksDBFileCount, rocksDBSize);
+ } catch (RocksDBException e) {
+ throw new IOException("Error in RocksDB compact", e);
Review Comment:
db.getName() return the db Path, like
/data1/bookkeeper/ledgers/current/locations
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