@Override public void refresh(String source) throws EngineException { // we obtain a read lock here, since we don't want a flush to happen while we are refreshing // since it flushes the index as well (though, in terms of concurrency, we are allowed to do it) try (ReleasableLock lock = readLock.acquire()) { ensureOpen(); searcherManager.maybeRefreshBlocking(); } catch (AlreadyClosedException e) { ensureOpen(); maybeFailEngine("refresh", e); } catch (EngineClosedException e) { throw e; } catch (Throwable t) { failEngine("refresh failed", t); throw new RefreshFailedEngineException(shardId, t); } // TODO: maybe we should just put a scheduled job in threadPool? // We check for pruning in each delete request, but we also prune here e.g. in case a delete // burst comes in and then no more deletes // for a long time: maybePruneDeletedTombstones(); versionMapRefreshPending.set(false); mergeScheduler.refreshConfig(); }
@Override public List<Segment> segments(boolean verbose) { try (ReleasableLock lock = readLock.acquire()) { Segment[] segmentsArr = getSegmentInfo(lastCommittedSegmentInfos, verbose); // fill in the merges flag Set<OnGoingMerge> onGoingMerges = mergeScheduler.onGoingMerges(); for (OnGoingMerge onGoingMerge : onGoingMerges) { for (SegmentCommitInfo segmentInfoPerCommit : onGoingMerge.getMergedSegments()) { for (Segment segment : segmentsArr) { if (segment.getName().equals(segmentInfoPerCommit.info.name)) { segment.mergeId = onGoingMerge.getId(); break; } } } } return Arrays.asList(segmentsArr); } }
public MergeStats getMergeStats() { return mergeScheduler.stats(); }
public void onSettingsChanged() { mergeScheduler.refreshConfig(); // config().isEnableGcDeletes() or config.getGcDeletesInMillis() may have changed: maybePruneDeletedTombstones(); }