DomGarguilo commented on code in PR #3980:
URL: https://github.com/apache/accumulo/pull/3980#discussion_r1447952887
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core/src/main/java/org/apache/accumulo/core/util/Merge.java:
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@@ -149,17 +148,37 @@ public void mergomatic(AccumuloClient client, String
table, Text start, Text end
throw new IllegalArgumentException("cannot merge tablets on the
metadata table");
}
List<Size> sizes = new ArrayList<>();
- long totalSize = 0;
- // Merge any until you get larger than the goal size, and then merge one
less tablet
- Iterator<Size> sizeIterator = getSizeIterator(client, table, start, end);
- while (sizeIterator.hasNext()) {
- Size next = sizeIterator.next();
- totalSize += next.size;
- sizes.add(next);
- if (totalSize > goalSize) {
- totalSize = mergeMany(client, table, sizes, goalSize, force, false);
- }
+ AtomicLong totalSize = new AtomicLong();
+
+ TableId tableId;
+ ClientContext context = (ClientContext) client;
+ try {
+ tableId = context.getTableId(table);
+ } catch (Exception e) {
+ throw new MergeException(e);
+ }
+ try (TabletsMetadata tablets =
TabletsMetadata.builder(context).scanMetadataTable()
+ .overRange(new KeyExtent(tableId, end,
start).toMetaRange()).fetch(FILES, PREV_ROW)
+ .build()) {
+ tablets.stream().map(tm -> {
+ long size =
tm.getFilesMap().values().stream().mapToLong(DataFileValue::getSize).sum();
+ return new Size(tm.getExtent(), size);
+ }).forEach(next -> {
Review Comment:
I moved back to an iterator in a2122ee
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