Skip max_buckets test when it is flaky #58038
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Before elastic#57042 the max_buckets test would consistently pass because the request would consistently fail. In particular, the request would fail on the data node. After elastic#57042 it only fails on the coordinating node. When the max_buckets test is run in a mixed version cluster it consistently fails on *either* the data node or the coordinating node. Except when the coordinating node is missing elastic#43095. In that case if the one data node has elastic#57042 and one does not, *and* the one that doesn't gets the request first, fails it as expected, and then the coordinating node retries the request on the node with elastic#57042. When that happens the request fails mysteriously with "partial shard failures" as the error message but not partial failures reported. This is *exactly* the bug fixed in elastic#43095. This updates the test to be skipped in mixed version clusters without elastic#43095 because they *sometimes* fail the test spuriously. The request fails in those cases, just like we expect, but with a mysterious error message. Closes elastic#57657
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Pinging @elastic/es-analytics-geo (:Analytics/Aggregations) |
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Note: This targets the 7.x branch because the failure only occurs there. There is no need to land this in master. |
imotov
approved these changes
Jun 12, 2020
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run elasticsearch-ci/packaging-sample-matrix-windows |
1 similar comment
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run elasticsearch-ci/packaging-sample-matrix-windows |
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Before #57042 the max_buckets test would consistently pass because the
request would consistently fail. In particular, the request would fail on
the data node. After #57042 it only fails on the coordinating node. When
the max_buckets test is run in a mixed version cluster it consistently
fails on either the data node or the coordinating node. Except when
the coordinating node is missing #43095. In that case if the one data
node has #57042 and one does not, and the one that doesn't gets the
request first, fails it as expected, and then the coordinating node
retries the request on the node with #57042. When that happens the
request fails mysteriously with "partial shard failures" as the error
message but not partial failures reported. This is exactly the bug
fixed in #43095.
This updates the test to be skipped in mixed version clusters without
#43095 because they sometimes fail the test spuriously. The request
fails in those cases, just like we expect, but with a mysterious error
message.
Closes #57657