AMBARI-25563. Storm dashboards are not showing metrics. #3255
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@payert @hapylestat @pidhaietsdp Could you please review this? |
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@dvitiiuk Looks fine for me. |
hapylestat
approved these changes
Nov 9, 2020
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What changes were proposed in this pull request?
The problem was in interpretation of Null for BINARY fields during working via phoenix with hbase. Null value was being wrote as array of zero bytes, so after reading of this value we got not Null, but array of zero bytes. Now array of zero bytes is being interpreted as Null. Also as result we shouldn't generate UUIDs which contain only zero bytes.
Also made some fixes in ambari datasource.js for grafana.
How was this patch tested?
Manual test: