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Print record timestamp in compact record logger #10170

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merged 3 commits into from
Aug 24, 2022

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@korthout korthout commented Aug 24, 2022

Description

When troubleshooting issues (or writing tests) for Timer related topics, we're often interested in both the Timer record's Duedate, as well as the actual time that the record was written, i.e. the record's Timestamp.

This PR adds the Timestamp to the compact record logger when there are Timer records on the recorded log.

While working on this, I also noticed that the compact record logger's Legend could be improved to only include Partition related info when the partition is actually printed as well (i.e. when there are multiple partitions).

This is another PR in a series of QoL improvements I've recently made to the compact record logger.

Before

--------
	[Partition] ['C'ommand/'E'event/'R'ejection] [valueType] [intent] - #[position]->#[source record position]  P[partitionId]K[key] - [summary of value]
	P9K999 - key; #999 - record position; "ID" element/process id; @"elementid"/[P9K999] - element with ID and key
	Keys are decomposed into partition id and per partition key (e.g. 2251799813685253 -> P1K005). If single partition, the partition is omitted.
	Long IDs are shortened (e.g. 'startEvent_5d56488e-0570-416c-ba2d-36d2a3acea78' -> 'star..acea78'
--------
C DPLY CREATE            - #1->-1 -1 - 
E PROC CREATED           - #2->#1 K1 - process.xml -> "process" (version:1)
E TIME CREATED           - #3->#1 K3 -  @"start_1"[-1]  in <process "K1"[?]> due T15:10:34.329
E DPLY CREATED           - #4->#1 K2 - process.xml
E DPLY FULLY_DISTRIBUTED - #5->#1 K2 - 

After

With Timer records:

--------
	[Timestamp] ['C'ommand/'E'event/'R'ejection] [valueType] [intent] - #[position]->#[source record position] K[key] - [summary of value]
	P9K999 - key; #999 - record position; "ID" element/process id; @"elementid"/[P9K999] - element with ID and key
	Keys are decomposed into partition id and per partition key (e.g. 2251799813685253 -> P1K005). If single partition, the partition is omitted.
	Long IDs are shortened (e.g. 'startEvent_5d56488e-0570-416c-ba2d-36d2a3acea78' -> 'star..acea78'
--------
15:28:01 C DPLY CREATE            - #1->-1 -1 - 
15:28:02 E PROC CREATED           - #2->#1 K1 - process.xml -> "process" (version:1)
15:28:02 E TIME CREATED           - #3->#1 K3 -  @"start_1"[-1]  in <process "K1"[?]> due T15:28:03.087
15:28:02 E DPLY CREATED           - #4->#1 K2 - process.xml
15:28:02 E DPLY FULLY_DISTRIBUTED - #5->#1 K2 - 

Without Timer records:

--------
	['C'ommand/'E'event/'R'ejection] [valueType] [intent] - #[position]->#[source record position] K[key] - [summary of value]
	P9K999 - key; #999 - record position; "ID" element/process id; @"elementid"/[P9K999] - element with ID and key
	Keys are decomposed into partition id and per partition key (e.g. 2251799813685253 -> P1K005). If single partition, the partition is omitted.
	Long IDs are shortened (e.g. 'startEvent_5d56488e-0570-416c-ba2d-36d2a3acea78' -> 'star..acea78'
--------
C DPLY CREATE            - #01-> -1  -1 - 
E PROC CREATED           - #02->#01 K01 - process.xml -> "process" (version:1)
E DPLY CREATED           - #03->#01 K02 - process.xml
E DPLY FULLY_DISTRIBUTED - #04->#01 K02 - 

When there are multiple partitions:

--------
	[Partition] ['C'ommand/'E'event/'R'ejection] [valueType] [intent] - #[position]->#[source record position] P[partitionId]K[key] - [summary of value]
	P9K999 - key; #999 - record position; "ID" element/process id; @"elementid"/[P9K999] - element with ID and key
	Keys are decomposed into partition id and per partition key (e.g. 2251799813685253 -> P1K005). If single partition, the partition is omitted.
	Long IDs are shortened (e.g. 'startEvent_5d56488e-0570-416c-ba2d-36d2a3acea78' -> 'star..acea78'
--------
1 C DPLY CREATE            - #1->-1   -1 - 
1 E PROC CREATED           - #2->#1 P1K1 - process.bpmn -> "shouldR..ecovery" (version:1)
1 E DPLY CREATED           - #3->#1 P1K2 - process.bpmn
1 E DSTR DISTRIBUTING      - #4->#1 P1K2 - on partition 2
1 E DSTR DISTRIBUTING      - #5->#1 P1K2 - on partition 3
1 C DSTR COMPLETE          - #6->-1 P1K2 - on partition 2
1 C DSTR COMPLETE          - #7->-1 P1K2 - on partition 3
1 E DSTR COMPLETED         - #8->#6 P1K2 - on partition 2
1 E DSTR COMPLETED         - #9->#7 P1K2 - on partition 3
1 E DPLY FULLY_DISTRIBUTED - #10->#7 P1K2 - 
2 C DPLY DISTRIBUTE        - #1->-1 P1K2 - process.bpmn
2 E DPLY DISTRIBUTED       - #2->#1 P1K2 - process.bpmn
3 C DPLY DISTRIBUTE        - #1->-1 P1K2 - process.bpmn
3 E DPLY DISTRIBUTED       - #2->#1 P1K2 - process.bpmn

Related issues

relates to #10169

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  • The documentation is updated (e.g. BPMN reference, configuration, examples, get-started guides, etc.)
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Please refer to our review guidelines.

When troubleshooting issues or writing tests for Timer related topics,
we're often not only interested in the Duedate of the timer, but also in
the Timestamp of the records.

Since these timestamps are generally irrelevant for other types of
tests, it makes sense to only log them when there are Timer records
present.

As a format I've chosen a small but simple form (HH:mm:ss). If needed we
could investigate more advanced formatting in the future. E.g. a format
that only shows the least amount of data: only seconds if those matter,
or include hours if those matter. For now, this short form in
combination with hiding it when its not useful seems useful and easy to
build.

Timestamps are naturally found at the start of log lines, so I've chosen
to prefix each record summary with it.
If there are timer events, the compact record logger's Legend should
contain [Timestamp], so readers understand the summary.

But, the Timestamp isn't always part of the compact log. In that case,
the [Timestamp] should also be removed from the Legend.
If there are multiple partitions, the compact record logger's Legend
should contain [Partition] and each key will contain a [Pn] prefix, so
readers understand the summary.

But, there aren't always multiple partitions, and then the partition
isn't part of the compact log. In that case, the [Partition] should
also be removed from the Legend.

I've also split up the Legend construction a bit further, to keep it
somewhat readable.
@korthout korthout marked this pull request as ready for review August 24, 2022 13:50
@korthout korthout self-assigned this Aug 24, 2022
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github-actions bot commented Aug 24, 2022

Test Results

   853 files  +  1     853 suites  +1   1h 35m 7s ⏱️ - 9m 6s
6 612 tests +28  6 600 ✔️ +27  11 💤 ±0  1 +1 
6 796 runs  +28  6 784 ✔️ +27  11 💤 ±0  1 +1 

For more details on these failures, see this check.

Results for commit 42936ee. ± Comparison against base commit ec06278.

♻️ This comment has been updated with latest results.

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I like the changes 🏆 Nothing to add LGTM

@korthout
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bors merge

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Build succeeded:

@zeebe-bors-camunda zeebe-bors-camunda bot merged commit 1d90955 into main Aug 24, 2022
@zeebe-bors-camunda zeebe-bors-camunda bot deleted the korthout-timestamp-in-compact-record-log branch August 24, 2022 14:56
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Successfully created backport PR #10175 for stable/1.3.

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Successfully created backport PR #10176 for stable/8.0.

zeebe-bors-camunda bot added a commit that referenced this pull request Aug 24, 2022
10176: [Backport stable/8.0] Print record timestamp in compact record logger r=korthout a=backport-action

# Description
Backport of #10170 to `stable/8.0`.

relates to #10156 #10144 #9885 #10169

Co-authored-by: Nico Korthout <nico.korthout@camunda.com>
zeebe-bors-camunda bot added a commit that referenced this pull request Aug 24, 2022
10175: [Backport stable/1.3] Print record timestamp in compact record logger r=korthout a=backport-action

# Description
Backport of #10170 to `stable/1.3`.

relates to #10156 #10144 #9885 #10169

Co-authored-by: Nico Korthout <nico.korthout@camunda.com>
@saig0 saig0 added release/8.0.8 version:1.3.14 Marks an issue as being completely or in parts released in 1.3.14 labels Sep 1, 2022
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