ctubbsii commented on a change in pull request #541: fixes #538 fix WAL
recovery code
URL: https://github.com/apache/accumulo/pull/541#discussion_r197551733
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File path:
server/tserver/src/main/java/org/apache/accumulo/tserver/log/SortedLogRecovery.java
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@@ -190,38 +189,29 @@ private long findLastStartToFinish(List<Path>
recoveryLogs, Set<String> tabletFi
lastStart = key.seq;
lastStartFile = key.filename;
} else if (key.event == COMPACTION_FINISH) {
- if (lastEvent == null) {
- firstEventWasFinish = true;
- } else if (lastEvent == COMPACTION_FINISH) {
- throw new IllegalStateException(
- "Saw consecutive COMPACTION_FINISH events " + key.tabletId + "
" + key.seq);
- } else {
- if (key.seq <= lastStart) {
- throw new IllegalStateException(
- "Compaction finish <= start " + lastStart + " " + key.seq);
- }
- recoverySeq = lastStart;
- lastStartFile = null;
- sawStartFinish = true;
- }
+ checkState(key.seq >= lastFinish); // should only fail if bug
elsewhere
+ checkState(key.seq > lastStart, "Compaction finish <= start %s %s
%s", key.tabletId,
+ key.seq, lastStart);
+ checkState(lastEvent == null || lastEvent == COMPACTION_START,
Review comment:
This would be more clear as `lastEvent != COMPACTION_FINISH`
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