dlmarion commented on code in PR #2665:
URL: https://github.com/apache/accumulo/pull/2665#discussion_r864975982
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core/src/main/java/org/apache/accumulo/core/clientImpl/TabletServerBatchReaderIterator.java:
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@@ -453,26 +482,40 @@ public void run() {
private void doLookups(Map<String,Map<KeyExtent,List<Range>>> binnedRanges,
final ResultReceiver receiver, List<Column> columns) {
- if (timedoutServers.containsAll(binnedRanges.keySet())) {
- // all servers have timed out
- throw new TimedOutException(timedoutServers);
- }
-
- // when there are lots of threads and a few tablet servers
- // it is good to break request to tablet servers up, the
- // following code determines if this is the case
int maxTabletsPerRequest = Integer.MAX_VALUE;
- if (numThreads / binnedRanges.size() > 1) {
- int totalNumberOfTablets = 0;
- for (Entry<String,Map<KeyExtent,List<Range>>> entry :
binnedRanges.entrySet()) {
- totalNumberOfTablets += entry.getValue().size();
- }
- maxTabletsPerRequest = totalNumberOfTablets / numThreads;
- if (maxTabletsPerRequest == 0) {
- maxTabletsPerRequest = 1;
+ long busyTimeout = 0;
+ Duration scanServerDispatcherDelay = null;
+ Map<String,ScanAttemptsImpl.ScanAttemptReporter> reporters = Map.of();
+
+ if (options.getConsistencyLevel().equals(ConsistencyLevel.EVENTUAL)) {
Review Comment:
For the first question, if the consistency level is set to EVENTUAL and
there are no ScanServers, then the code will send the scans to the
TabletServers.
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