congrats Icon
New! Announcing Tabnine Chat Beta
Learn More
Tabnine Logo
FSEditLogOp$Reader.scanOp
Code IndexAdd Tabnine to your IDE (free)

How to use
scanOp
method
in
org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader

Best Java code snippets using org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader.scanOp (Showing top 3 results out of 315)

origin: org.apache.hadoop/hadoop-hdfs

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}
origin: ch.cern.hadoop/hadoop-hdfs

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}
origin: io.prestosql.hadoop/hadoop-apache

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}
org.apache.hadoop.hdfs.server.namenodeFSEditLogOp$ReaderscanOp

Javadoc

Similar to decodeOp(), but we only retrieve the transaction ID of the Op rather than reading it. If the edit log format supports length prefixing, this can be much faster than full decoding.

Popular methods of FSEditLogOp$Reader

  • readOp
    Read an operation from the input stream. Note that the objects returned from this method may be re-u
  • <init>
    Construct the reader
  • setMaxOpSize
  • decodeOp
    Read an opcode from the input stream.
  • validateChecksum
    Validate a transaction's checksum
  • verifyTerminator
  • create
  • getChecksum

Popular in Java

  • Updating database using SQL prepared statement
  • getSupportFragmentManager (FragmentActivity)
  • onRequestPermissionsResult (Fragment)
  • setScale (BigDecimal)
  • BorderLayout (java.awt)
    A border layout lays out a container, arranging and resizing its components to fit in five regions:
  • Timestamp (java.sql)
    A Java representation of the SQL TIMESTAMP type. It provides the capability of representing the SQL
  • TreeSet (java.util)
    TreeSet is an implementation of SortedSet. All optional operations (adding and removing) are support
  • BlockingQueue (java.util.concurrent)
    A java.util.Queue that additionally supports operations that wait for the queue to become non-empty
  • ThreadPoolExecutor (java.util.concurrent)
    An ExecutorService that executes each submitted task using one of possibly several pooled threads, n
  • JFrame (javax.swing)
  • Github Copilot alternatives
Tabnine Logo
  • Products

    Search for Java codeSearch for JavaScript code
  • IDE Plugins

    IntelliJ IDEAWebStormVisual StudioAndroid StudioEclipseVisual Studio CodePyCharmSublime TextPhpStormVimGoLandRubyMineEmacsJupyter NotebookJupyter LabRiderDataGripAppCode
  • Company

    About UsContact UsCareers
  • Resources

    FAQBlogTabnine AcademyTerms of usePrivacy policyJava Code IndexJavascript Code Index
Get Tabnine for your IDE now