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skywalking-java
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Keep latest index always present. (#4655) 

* Keep latest index always present.
  * Avoid TTL timer to remove latest index
  * Create a latest index even without any data.

Signed-off-by: Gao Hongtao <hanahmily@gmail.com>
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Gao Hongtao 2020-04-15 15:08:38 +08:00 committed by GitHub
parent ccb65ff27f
commit 12703fa54e
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1 changed files with 7 additions and 5 deletions
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12
oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/HistoryDeleteEsDAO.java
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@ -54,19 +54,21 @@ public class HistoryDeleteEsDAO extends EsDAO implements IHistoryDeleteDAO {
List<String> indexes = client.retrievalIndexByAliases(model.getName());
List<String> prepareDeleteIndexes = new ArrayList<>();
List<String> leftIndices = new ArrayList<>();
for (String index : indexes) {
long timeSeries = TimeSeriesUtils.isolateTimeFromIndexName(index);
if (deadline >= timeSeries) {
prepareDeleteIndexes.add(index);
} else {
leftIndices.add(index);
}
}
if (indexes.size() == prepareDeleteIndexes.size()) {
client.createIndex(TimeSeriesUtils.latestWriteIndexName(model));
}
for (String prepareDeleteIndex : prepareDeleteIndexes) {
client.deleteByIndexName(prepareDeleteIndex);
}
String latestIndex = TimeSeriesUtils.latestWriteIndexName(model);
if (!leftIndices.contains(latestIndex)) {
client.createIndex(latestIndex);
}
}
}