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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2022/01/15 05:13:00 UTC
[jira] [Commented] (BEAM-12401) Beam metrics are unreadable in Flink history server
[ https://issues.apache.org/jira/browse/BEAM-12401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17476523#comment-17476523 ]
Kenneth Knowles commented on BEAM-12401:
----------------------------------------
A problem was discovered during review, so this is still open.
> Beam metrics are unreadable in Flink history server
> ---------------------------------------------------
>
> Key: BEAM-12401
> URL: https://issues.apache.org/jira/browse/BEAM-12401
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: David Janicek
> Priority: P2
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Beam metric values (payload) are not readable in Flink's web UI and Flink history server. Similar problem affected Spark history server and it was resolved in BEAM-10294.
> Beam metrics are rendered by *MetricsContainerStepMap.toString()* method as JSON which is created from protobuffer defined in *metrics.proto* where metric's value is defined as bytes.
> For example, metrics in Flink web UI used to look like:
> {code:java}
> MetricQueryResults(Counters(sets-by-key-bloomfilter/filter-by-bloom-filter/ParMultiDo(FilterByBloomFilter):org.apache.beam.sdk.extensions.sketching.BloomFilters$FilterByBloomFilterFn:filtered-out: 123456789)){code}
> Now they look like:
> {code:java}
> {\n \"metrics\": {\n \"attempted\": [{\n \"urn\": \"beam:metric:user:sum_int64:v1\",\n \"type\": \"beam:metrics:sum_int64:v1\",\n \"payload\": \"ip0K\",\n \"labels\": {\n \"NAMESPACE\": \"ImageClicksReader\",\n \"NAME\": \"filtered-out\",\n \"PTRANSFORM\": \"sets-by-key-bloomfilter/filter-by-bloom-filter/ParMultiDo(FilterByBloomFilter\"\n }\n } \n} \n}{code}
>
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