whbing commented on PR #5354:
URL: https://github.com/apache/ozone/pull/5354#issuecomment-1822303915
debug log as follows:
```
2023-11-22 15:45:10,855 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191069696}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}]
2023-11-22 15:45:10,856 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:16,467 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191049216}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}]
2023-11-22 15:45:16,468 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:22,142 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}]
2023-11-22 15:45:22,143 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Secondary compare because the
first round is the same
2023-11-22 15:45:22,143 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:27,689 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare the same pipeline
Pipeline[ Id: f1458feb-0472-4d5f-a490-97029b65dcf5, Nodes:
c187d45d-e703-4b6d-a7e7-ec125f5d59f6(zk3/10.96.xx.178)67c72d5b-6fff-4f39-8e9d-ca1ad3628bc3(zk2/10.96.xx.24)43dc44df-f27c-4ade-9651-501fd881a8d6(hadoop3/10.190.xx.5),
ReplicationConfig: RATIS/THREE, State:OPEN,
leaderId:43dc44df-f27c-4ade-9651-501fd881a8d6,
CreationTimestamp2023-11-22T15:43:54.022+08:00[Asia/Chongqing]]
2023-11-22 15:45:27,690 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:33,414 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191049216}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191049216}}]
2023-11-22 15:45:33,415 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:39,070 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191049216}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257315761,
remaining=93191049216}}]
2023-11-22 15:45:39,071 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the second pipeline by
compared scmUsed
2023-11-22 15:45:44,801 [IPC Server handler 97 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257317475,
remaining=93190995968}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}, SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088, scmUsed=257317475,
remaining=93190995968}}]
2023-11-22 15:45:44,802 [IPC Server handler 97 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the second pipeline by
compared scmUsed
2023-11-22 15:45:51,010 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97895714816}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=623083520,
remaining=86085607424}}], second :
[SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3412590592,
remaining=88673959936}}, SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97895714816}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400, scmUsed=3319808000,
remaining=93105278976}}]
2023-11-22 15:45:51,011 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Secondary compare because the
first round is the same
2023-11-22 15:45:51,011 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
```
Format the above log for easy analysis:
```
2023-11-22 15:45:10,855 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191069696}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}}]
2023-11-22 15:45:10,856 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:16,467 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191049216}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}}]
2023-11-22 15:45:16,468 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:22,142 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97891262464}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}}]
2023-11-22 15:45:22,143 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Secondary compare because the
first round is the same
2023-11-22 15:45:22,143 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:27,689 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare the same pipeline
Pipeline[ Id: f1458feb-0472-4d5f-a490-97029b65dcf5, Nodes:
c187d45d-e703-4b6d-a7e7-ec125f5d59f6(zk3/10.96.xx.178)67c72d5b-6fff-4f39-8e9d-ca1ad3628bc3(zk2/10.96.xx.24)43dc44df-f27c-4ade-9651-501fd881a8d6(hadoop3/10.190.xx.5),
ReplicationConfig: RATIS/THREE, State:OPEN,
leaderId:43dc44df-f27c-4ade-9651-501fd881a8d6,
CreationTimestamp2023-11-22T15:43:54.022+08:00[Asia/Chongqing]]
2023-11-22 15:45:27,690 [IPC Server handler 95 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:33,414 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191049216}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191049216}}]
2023-11-22 15:45:33,415 [IPC Server handler 0 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
2023-11-22 15:45:39,070 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191049216}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257315761, remaining=93191049216}}]
2023-11-22 15:45:39,071 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the second pipeline by
compared scmUsed
2023-11-22 15:45:44,801 [IPC Server handler 97 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257317475, remaining=93190995968}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257377201, remaining=92930936832}},
SCMNodeMetric{SCMNodeStat{capacity=107313369088,
scmUsed=257317475, remaining=93190995968}}]
2023-11-22 15:45:44,802 [IPC Server handler 97 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the second pipeline by
compared scmUsed
2023-11-22 15:45:51,010 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Compare scmUsed in pipelines,
first : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97895714816}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=623083520, remaining=86085607424}}],
second : [SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3412590592, remaining=88673959936}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3342024704, remaining=97895714816}},
SCMNodeMetric{SCMNodeStat{capacity=107374182400,
scmUsed=3319808000, remaining=93105278976}}]
2023-11-22 15:45:51,011 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Secondary compare because the
first round is the same
2023-11-22 15:45:51,011 [IPC Server handler 14 on default port 9863] DEBUG
org.apache.hadoop.hdds.scm.PipelineChoosePolicy: Chosen the first pipeline by
compared scmUsed
```
Meet expectations.
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