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Type: Problem report
Resolution: Unresolved
Priority: Critical
Fix Version/s: 6.0.30rc1, 6.4.15rc1, 7.0.0rc1 (master), 7.0 (plan)
Affects Version/s: 4.2.1
Component/s: Frontend (F)
Labels:
- graph
- item
- preprocessing
Environment:
Any starting from Zabbix-Server 4.2+

Team:
Team B
Sprint:
Sprint 56 (Sep 2019), Sprint 55 (Aug 2019), Sprint 53 (Jun 2019), Sprint 54 (Jul 2019), Sprint 57 (Oct 2019), Sprint 58 (Nov 2019), Sprint 59 (Dec 2019), Sprint 60 (Jan 2020), Sprint 61 (Feb 2020), Sprint 62 (Mar 2020), Sprint 63 (Apr 2020), Sprint 64 (May 2020), Sprint 65 (Jun 2020), Sprint 66 (Jul 2020), Sprint 67 (Aug 2020), Sprint 68 (Sep 2020), Sprint 69 (Oct 2020), Sprint 70 (Nov 2020), Sprint 71 (Dec 2020), Sprint 72 (Jan 2021), Sprint 73 (Feb 2021), Sprint 74 (Mar 2021), Sprint 75 (Apr 2021)
Story Points:
1

Steps to reproduce:

Create a new Item with an uptade interval ov 1m
Add a Preprocessing step "Discard with Heartbeat" and set it to 1h
Wait a for some data to be collected (2-3h in this example)

Result:
See screenshot...
The result looks counter intuitive, as you think the values might not be fetched
Expected:
Connecting the dots if the "Discard .*" Preprocessing step is added as we KNOW the values have been there.

May be dont draw the lines if the connection was really dropped, but Idk if those stati are somewhere visible to the Item when drawing a graph.

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heartbead_gaps.png
22 kB
2019 May 23 12:29
Screenshot_20190523_133420.png
24 kB
2019 May 23 14:34
hover.gif
2.99 MB
2019 Jul 15 18:27
morse_code.png
24 kB
2019 Jul 15 18:28
classic.png
27 kB
2019 Jul 15 18:30
graph_preview.gif
2.71 MB
2019 Jul 25 14:31
misleading_line.gif
2.63 MB
2019 Jul 25 15:59
constant_value_graph.gif
3.28 MB
2019 Jul 25 16:31
future_data_on_graph.gif
2.79 MB
2019 Jul 25 17:58
g1.png
103 kB
2019 Aug 08 15:12
trends.png
48 kB
2019 Aug 23 11:59
lines.png
86 kB
2019 Aug 23 11:59
unconnected.png
54 kB
2019 Aug 28 12:49
classic_graph.png
19 kB
2019 Nov 27 15:01
graph_diff.png
32 kB
2019 Nov 28 17:47
points.png
89 kB
2019 Nov 28 18:48
21_1.png
26 kB
2019 Dec 03 09:31
21_2.png
26 kB
2019 Dec 03 09:31
2019-12-13-130822_1882x306_scrot.png
31 kB
2019 Dec 13 13:08
2019-12-13-130925_1884x535_scrot.png
55 kB
2019 Dec 13 13:09
dots_in_draphs.gif
2.33 MB
2020 Feb 17 12:17
dots_in_graphs_2.gif
5.50 MB
2020 Feb 17 15:17
data_point_exists.png
24 kB
2020 Apr 08 13:01
data_point_missing.png
25 kB
2020 Apr 08 13:01
zabbix_graph_bug1_ed.jpg
60 kB
2020 May 20 15:09
trottling_graphs.jpg
52 kB
2020 Jun 16 22:49
image-2020-11-02-15-18-56-022.png
10 kB
2020 Nov 02 15:18
image-2020-11-02-15-27-45-149.png
8 kB
2020 Nov 02 15:27
image-2020-11-02-15-56-22-620.png
10 kB
2020 Nov 02 15:56
image-2020-11-02-15-57-11-388.png
10 kB
2020 Nov 02 15:57
draw.png
10 kB
2020 Nov 02 16:42
draw2.png
10 kB
2020 Nov 02 17:15
image-2020-11-02-18-24-13-224.png
10 kB
2020 Nov 02 18:24
image-2020-11-02-19-07-52-448.png
9 kB
2020 Nov 02 19:07
image-2020-11-02-21-56-29-027.png
23 kB
2020 Nov 02 20:56
image-2020-11-02-21-57-38-719.png
26 kB
2020 Nov 02 20:57
image-2020-11-29-18-01-09-890.png
26 kB
2020 Nov 29 18:01
image-2020-11-29-18-01-54-313.png
34 kB
2020 Nov 29 18:01
image-2022-11-29-12-23-56-980.png
26 kB
2022 Nov 29 17:23

causes

ZBX-17642 Runtime error on graph page

Closed

ZBX-17680 Graphs now show continuous line with connected dots when data is absent

Closed

ZBX-17683 Strange points on classic graphs

Closed

ZBX-17712 Graphs on screen page with filter > 2 days not filled correctly

Closed

ZBX-17800 Dashboard -> Graph widget not painting latest data correctly

Closed

ZBX-17847 2 day graphs embedded in screens have missing data

Closed

depends on

ZBXNEXT-8416 zabbix avg calculation wrong when measurement interval is not constant

Confirmed

ZBXNEXT-5691 increase 'float' precision & data length (frontend)

Closed

is duplicated by

ZBXNEXT-9004 Calculating the trigger value when throttling

Reopened

ZBXNEXT-5272 Interpolate values on graph if throttling is enabled

Closed

ZBX-16456 Problem with drawing graphs of the items with "Discard unchanged" preprocessing

Closed

ZBX-17057 Throttled items draws as dots on the graph

Closed

ZBX-24034 Calculating the value when trottling.

Closed

(1 causes, 2 depends on, 5 is duplicated by)

Assignee:: Zabbix Development Team

Reporter:: M P

Team:: Team B

Votes:: 74 Vote for this issue

Watchers:: 74 Start watching this issue

Created:: 2019 May 23 12:32

Updated:: 3 days ago 13:50

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