List of findNRecentSnapshots() Examples

Examples of findNRecentSnapshots()

org.apache.zookeeper.server.persistence.FileSnap.findNRecentSnapshots()
find the last n snapshots. this does not have any checks if the snapshot might be valid or not @param the number of most recent snapshots @return the last n snapshots @throws IOException
org.apache.zookeeper.server.persistence.FileTxnSnapLog.findNRecentSnapshots()
the n most recent snapshots @param n the number of recent snapshots @return the list of n most recent snapshots, withthe most recent in front @throws IOException

Examples of org.apache.zookeeper.server.persistence.FileTxnSnapLog.findNRecentSnapshots()

        assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
        // now corrupt the snapshot
        PurgeTxnLog.purge(tmpDir, tmpDir, 3);
        FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpDir, tmpDir);
        List<File> listLogs = snaplog.findNRecentSnapshots(4);
        int numSnaps = 0;
        for (File ff: listLogs) {
            if (ff.getName().startsWith("snapshot")) {
                numSnaps++;
            }

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Examples of org.apache.zookeeper.server.persistence.FileTxnSnapLog.findNRecentSnapshots()

        Assert.assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
        // now corrupt the snapshot
        PurgeTxnLog.purge(tmpDir, tmpDir, 3);
        FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpDir, tmpDir);
        List<File> listLogs = snaplog.findNRecentSnapshots(4);
        int numSnaps = 0;
        for (File ff: listLogs) {
            if (ff.getName().startsWith("snapshot")) {
                numSnaps++;
            }

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Examples of org.apache.zookeeper.server.persistence.FileTxnSnapLog.findNRecentSnapshots()

                expectedNRecentSnapFiles.add(snapFile);
            }
        }


        FileTxnSnapLog txnLog = new FileTxnSnapLog(tmpDir, tmpDir);
        List<File> nRecentSnapFiles = txnLog.findNRecentSnapshots(nRecentSnap);
        txnLog.close();
        Assert.assertEquals("exactly 4 snapshots ", 4,
                nRecentSnapFiles.size());
        expectedNRecentSnapFiles.removeAll(nRecentSnapFiles);
        Assert.assertEquals("Didn't get the recent snap files", 0,

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Examples of org.apache.zookeeper.server.persistence.FileTxnSnapLog.findNRecentSnapshots()

            throw new IllegalArgumentException("count should be greater than 3");
        }


        FileTxnSnapLog txnLog = new FileTxnSnapLog(dataDir, snapDir);


        List<File> snaps = txnLog.findNRecentSnapshots(num);
        retainNRecentSnapshots(txnLog, snaps);
    }


    // VisibleForTesting
    static void retainNRecentSnapshots(FileTxnSnapLog txnLog, List<File> snaps) {

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