andi/perfdb
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add metric logging for getWriter

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ahr
2018-01-13 10:32:03 +01:00
parent 0f2fcc3c9c
commit 64613ce43c
1 changed files with 5 additions and 0 deletions
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5
performanceDb/src/main/java/org/lucares/performance/db/TagsToFile.java
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@@ -26,6 +26,7 @@ import org.slf4j.LoggerFactory;
public class TagsToFile implements AutoCloseable {
private static final Logger LOGGER = LoggerFactory.getLogger(TagsToFile.class);
private final static Logger METRICS_LOGGER = LoggerFactory.getLogger("org.lucares.metrics.ingestion.tagsToFile");
private static class WriterCache {
final List<PdbWriter> writers = new ArrayList<>();
@@ -93,6 +94,7 @@ public class TagsToFile implements AutoCloseable {
result = optionalWriter.get();
LOGGER.trace("using existing pdbWriter: {}", result);
} else {
final long start = System.nanoTime();
final List<PdbFile> pdbFiles = getFilesMatchingTagsExactly(tags);
assertAllFilesHaveSameFolder(pdbFiles);
@@ -102,6 +104,9 @@ public class TagsToFile implements AutoCloseable {
final List<Optional<PdbWriter>> existingWriters = CollectionUtils.filter(optionalWriters,
Optional::isPresent);
final List<PdbWriter> writers = CollectionUtils.map(existingWriters, Optional::get);
METRICS_LOGGER.debug("find writers took {}ms for tags {}", (System.nanoTime() - start)
/ 1_000_000.0, tags);
final Optional<PdbWriter> optionalFirst = chooseBestMatchingWriter(writers, date);