ostinru commented on code in PR #111:
URL: https://github.com/apache/cloudberry-pxf/pull/111#discussion_r3357710657
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server/pxf-service/src/main/java/org/apache/cloudberry/pxf/service/spring/PxfContextMdcLogEnhancerFilter.java:
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@@ -21,8 +21,17 @@
@Component
public class PxfContextMdcLogEnhancerFilter extends OncePerRequestFilter {
+ // sessionId: composite PXF request identifier formed as
"<X-GP-XID>:<X-GP-OPTIONS-SERVER>",
+ // where XID is the Greenplum transaction id and the server name defaults
to "default".
+ // Groups all log records produced while serving a single PXF request.
private static final String MDC_SESSION_ID = "sessionId";
+ // segmentId: the Greenplum segment id (X-GP-SEGMENT-ID) that issued the
PXF request.
private static final String MDC_SEGMENT_ID = "segmentId";
+ // ssid: query session identifier from pg_stat_activity system view.
+ private static final String MDC_SSID = "ssid";
Review Comment:
Ha-ha! Now I know where my colleagues got this crazy `CONSOLE_LOG_PATTERN` 😆
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