Examples with Session org.apache.accumulo.tserver.session.Session used on opensource projects

Example 1 with Session

use of org.apache.accumulo.tserver.session.Session in project accumulo by apache.

the class TabletServer method markUnusedWALs.

private void markUnusedWALs() {
    List<DfsLogger> closedCopy;
    synchronized (closedLogs) {
        closedCopy = copyClosedLogs(closedLogs);
    }
    ReferencedRemover refRemover = candidates -> {
        for (Tablet tablet : getOnlineTablets().values()) {
            tablet.removeInUseLogs(candidates);
            if (candidates.isEmpty()) {
                break;
            }
        }
    };
    Set<DfsLogger> eligible = findOldestUnreferencedWals(closedCopy, refRemover);
    try {
        TServerInstance session = this.getTabletSession();
        for (DfsLogger candidate : eligible) {
            log.info("Marking " + candidate.getPath() + " as unreferenced");
            walMarker.walUnreferenced(session, candidate.getPath());
        }
        synchronized (closedLogs) {
            closedLogs.removeAll(eligible);
        }
    } catch (WalMarkerException ex) {
        log.info(ex.toString(), ex);
    }
}