Examples with DeletedBlockLogImpl org.apache.hadoop.hdds.scm.block.DeletedBlockLogImpl used on opensource projects

Example 1 with DeletedBlockLogImpl

use of org.apache.hadoop.hdds.scm.block.DeletedBlockLogImpl in project ozone by apache.

the class SCMHADBTransactionBufferImpl method flush.

@Override
public void flush() throws IOException {
    // write latest trx info into trx table in the same batch
    Table<String, TransactionInfo> transactionInfoTable = metadataStore.getTransactionInfoTable();
    transactionInfoTable.putWithBatch(currentBatchOperation, TRANSACTION_INFO_KEY, latestTrxInfo);
    metadataStore.getStore().commitBatchOperation(currentBatchOperation);
    currentBatchOperation.close();
    this.latestSnapshot = latestTrxInfo.toSnapshotInfo();
    // reset batch operation
    currentBatchOperation = metadataStore.getStore().initBatchOperation();
    DeletedBlockLog deletedBlockLog = scm.getScmBlockManager().getDeletedBlockLog();
    Preconditions.checkArgument(deletedBlockLog instanceof DeletedBlockLogImpl);
    ((DeletedBlockLogImpl) deletedBlockLog).onFlush();
}

Example 2 with DeletedBlockLogImpl

use of org.apache.hadoop.hdds.scm.block.DeletedBlockLogImpl in project ozone by apache.

the class SCMStateMachine method notifyLeaderChanged.

@Override
public void notifyLeaderChanged(RaftGroupMemberId groupMemberId, RaftPeerId newLeaderId) {
    if (!isInitialized) {
        return;
    }
    currentLeaderTerm.set(scm.getScmHAManager().getRatisServer().getDivision().getInfo().getCurrentTerm());
    if (!groupMemberId.getPeerId().equals(newLeaderId)) {
        LOG.info("leader changed, yet current SCM is still follower.");
        return;
    }
    LOG.info("current SCM becomes leader of term {}.", currentLeaderTerm);
    scm.getScmContext().updateLeaderAndTerm(true, currentLeaderTerm.get());
    scm.getSequenceIdGen().invalidateBatch();
    DeletedBlockLog deletedBlockLog = scm.getScmBlockManager().getDeletedBlockLog();
    Preconditions.checkArgument(deletedBlockLog instanceof DeletedBlockLogImpl);
    ((DeletedBlockLogImpl) deletedBlockLog).onBecomeLeader();
    scm.getScmDecommissionManager().onBecomeLeader();
}