Examples with DiskChecker org.apache.bookkeeper.util.DiskChecker used on opensource projects

Example 21 with DiskChecker

use of org.apache.bookkeeper.util.DiskChecker in project bookkeeper by apache.

the class DbLedgerStorage method readLedgerIndexEntries.

/**
 * Reads ledger index entries to get list of entry-logger that contains given ledgerId.
 *
 * @param ledgerId
 * @param serverConf
 * @param processor
 * @throws IOException
 */
public static void readLedgerIndexEntries(long ledgerId, ServerConfiguration serverConf, LedgerLoggerProcessor processor) throws IOException {
    checkNotNull(serverConf, "ServerConfiguration can't be null");
    checkNotNull(processor, "LedgerLoggger info processor can't null");
    LedgerDirsManager ledgerDirsManager = new LedgerDirsManager(serverConf, serverConf.getLedgerDirs(), new DiskChecker(serverConf.getDiskUsageThreshold(), serverConf.getDiskUsageWarnThreshold()));
    String ledgerBasePath = ledgerDirsManager.getAllLedgerDirs().get(0).toString();
    EntryLocationIndex entryLocationIndex = new EntryLocationIndex(serverConf, (path, dbConfigType, conf1) -> new KeyValueStorageRocksDB(path, DbConfigType.Small, conf1, true), ledgerBasePath, NullStatsLogger.INSTANCE);
    try {
        long lastEntryId = entryLocationIndex.getLastEntryInLedger(ledgerId);
        for (long currentEntry = 0; currentEntry <= lastEntryId; currentEntry++) {
            long offset = entryLocationIndex.getLocation(ledgerId, currentEntry);
            if (offset <= 0) {
                // entry not found in this bookie
                continue;
            }
            long entryLogId = offset >> 32L;
            long position = offset & 0xffffffffL;
            processor.process(currentEntry, entryLogId, position);
        }
    } finally {
        entryLocationIndex.close();
    }
}