Sega76 commented on a change in pull request #8840:
URL: https://github.com/apache/ignite/pull/8840#discussion_r597787907
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File path:
modules/core/src/main/java/org/apache/ignite/internal/processors/performancestatistics/PerformanceStatisticsProcessor.java
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@@ -278,6 +325,35 @@ private void stopWriter() {
log.info("Performance statistics writer stopped.");
}
+ /** Rotate performance statistics writer. */
+ private void rotateWriter() throws IgniteCheckedException, IOException {
+ try {
+ FilePerformanceStatisticsWriter oldWriter = null;
+
+ synchronized (mux) {
+ if (writer != null) {
+ FilePerformanceStatisticsWriter newWriter = new
FilePerformanceStatisticsWriter(ctx);
+
+ newWriter.start();
+
+ oldWriter = writer;
+
+ writer = newWriter;
+
+ oldWriter.stop();
+ }
+ }
+
+ if (oldWriter != null)
+ log.info("Performance statistics writer rotated[writtenFile="
+ oldWriter.getFile() + "].");
+ }
+ catch (IgniteCheckedException | IOException e) {
+ log.error("Failed to rotate performance statistics writer.", e);
Review comment:
we will get an error when getting the result.
I find this information useful here
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