Details
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Bug
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Resolution: Fixed
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Major
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7.2.5, 7.6.2, 7.6.4
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7.2.5 build 7599
7.6.2 build 3721
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Untriaged
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-
0
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Unknown
Description
Steps:
- Create 3 nodes cluster with D+F: D+F: F configuration
- 3 indexes with 18:3:3 partitions
- Upgrade 1 node from 7.2 to 7.6
Seeing skew in partitions:
Index actives distribution:
|
Index: n2-copy
|
172.23.107.56:8094 : 1 |
172.23.122.68:8094 : 3 |
172.23.120.23:8094 : 1 |
Index: n2
|
172.23.107.56:8094 : 7 |
172.23.122.68:8094 : 7 |
172.23.120.23:8094 : 6 |
Index: n2-copy-copy
|
172.23.120.23:8094 : 3 |
172.23.107.56:8094 : 1 |
172.23.122.68:8094 : 1 |
Index replicas distribution:
|
Index: n2-copy
|
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 2 |
Index: n2
|
172.23.122.68:8094 : 7 |
172.23.120.23:8094 : 7 |
172.23.107.56:8094 : 6 |
Index: n2-copy-copy
|
172.23.122.68:8094 : 2 |
172.23.107.56:8094 : 1 |
|
Upgrade another node –
Replica skew was removed but active partitions skew remained
Index actives distribution:
|
Index: n2
|
172.23.120.23:8094 : 6 |
172.23.122.68:8094 : 7 |
172.23.107.56:8094 : 7 |
Index: n2-copy
|
172.23.122.68:8094 : 1 |
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 2 |
Index: n2-copy-copy
|
172.23.120.23:8094 : 1 |
172.23.107.56:8094 : 2 |
172.23.122.68:8094 : 1 |
Index replicas distribution:
|
Index: n2-copy-copy
|
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 1 |
172.23.122.68:8094 : 1 |
Index: n2
|
172.23.107.56:8094 : 6 |
172.23.120.23:8094 : 6 |
172.23.122.68:8094 : 6 |
Index: n2-copy
|
172.23.120.23:8094 : 1 |
172.23.122.68:8094 : 1 |
172.23.107.56:8094 : 1 |
However upon upgrading the last node the skew was removed
Index actives distribution:
|
Index: n2-copy-copy
|
172.23.120.23:8094 : 1 |
172.23.122.68:8094 : 1 |
172.23.107.56:8094 : 1 |
Index: n2-copy
|
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 1 |
172.23.122.68:8094 : 1 |
Index: n2
|
172.23.120.23:8094 : 6 |
172.23.107.56:8094 : 6 |
172.23.122.68:8094 : 6 |
Index replicas distribution:
|
Index: n2-copy-copy
|
172.23.122.68:8094 : 1 |
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 1 |
Index: n2-copy
|
172.23.122.68:8094 : 1 |
172.23.107.56:8094 : 1 |
172.23.120.23:8094 : 1 |
Index: n2
|
172.23.107.56:8094 : 6 |
172.23.122.68:8094 : 6 |
172.23.120.23:8094 : 6 |