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When indexes are incorrect, poller should log more information #2357

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jdcoats opened this issue Jan 30, 2019 · 36 comments
Closed

When indexes are incorrect, poller should log more information #2357

jdcoats opened this issue Jan 30, 2019 · 36 comments
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resolved A fixed issue

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@jdcoats
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jdcoats commented Jan 30, 2019

I'm having trouble understanding this issue since I've upgraded from 1.1.38 to 1.2.1. Every time boost runs my poller runs long and I get the Poller Output Table not Empty. Ive tried reducing the data and increasing but it doesn't seem to make any difference.
screen shot 01-30-19 at 09 03 am

@cigamit
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cigamit commented Jan 30, 2019

Setup the MySQL/MariaDB slow query log to like 1 second and capture stats around that time. See which table is blocking.

@jdcoats
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jdcoats commented Jan 30, 2019

There does not appear to be anything out of the ordinary from the slowlog during the issue.

syslog01 /var/log/mysql # cat slowquery.log
# Time: 190130 15:17:37
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 265939  Schema: syslog  QC_hit: No
# Query_time: 2.171571  Lock_time: 0.000122  Rows_sent: 0  Rows_examined: 90790
# Rows_affected: 45395
SET timestamp=1548879457;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=10) AS merge;
# Time: 190130 15:18:50
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 270068  Schema: syslog  QC_hit: No
# Query_time: 2.892002  Lock_time: 0.000115  Rows_sent: 0  Rows_examined: 119968
# Rows_affected: 59984
SET timestamp=1548879530;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=41) AS merge;
# Time: 190130 15:19:46
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 274191  Schema: syslog  QC_hit: No
# Query_time: 2.519348  Lock_time: 0.000127  Rows_sent: 0  Rows_examined: 102028
# Rows_affected: 51014
SET timestamp=1548879586;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=93) AS merge;
# Time: 190130 15:20:47
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 278312  Schema: syslog  QC_hit: No
# Query_time: 2.438350  Lock_time: 0.000107  Rows_sent: 0  Rows_examined: 94152
# Rows_affected: 47076
SET timestamp=1548879647;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=49) AS merge;
# Time: 190130 15:21:48
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 282433  Schema: syslog  QC_hit: No
# Query_time: 2.843300  Lock_time: 0.000114  Rows_sent: 0  Rows_examined: 113810
# Rows_affected: 56905
SET timestamp=1548879708;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=34) AS merge;
# Time: 190130 15:22:58
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 286558  Schema: syslog  QC_hit: No
# Query_time: 3.176440  Lock_time: 0.000147  Rows_sent: 0  Rows_examined: 129026
# Rows_affected: 64513
SET timestamp=1548879778;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=111) AS merge;
# Time: 190130 15:23:54
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 290677  Schema: syslog  QC_hit: No
# Query_time: 2.621358  Lock_time: 0.000103  Rows_sent: 0  Rows_examined: 98656
# Rows_affected: 49328
SET timestamp=1548879834;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=21) AS merge;
# Time: 190130 15:25:35
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 295283  Schema: syslog  QC_hit: No
# Query_time: 4.115833  Lock_time: 0.000095  Rows_sent: 0  Rows_examined: 159740
# Rows_affected: 79870
SET timestamp=1548879935;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=2) AS merge;
# Time: 190130 15:25:36
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 295283  Schema: syslog  QC_hit: No
# Query_time: 1.255461  Lock_time: 0.000054  Rows_sent: 0  Rows_examined: 79870
# Rows_affected: 79870
SET timestamp=1548879936;
DELETE FROM `syslog`.`syslog_incoming` WHERE status=2;
# Time: 190130 15:25:41
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 299147  Schema: syslog  QC_hit: No
# Query_time: 1.002520  Lock_time: 0.000103  Rows_sent: 0  Rows_examined: 40490
# Rows_affected: 20245
SET timestamp=1548879941;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=111) AS merge;
# Time: 190130 15:26:49
# User@Host: cacti123[cacti123] @ localhost []
# Thread_id: 303269  Schema: syslog  QC_hit: No
# Query_time: 2.496374  Lock_time: 0.000126  Rows_sent: 0  Rows_examined: 102528
# Rows_affected: 51264
SET timestamp=1548880009;
INSERT INTO `syslog`.`syslog` (logtime, priority_id, facility_id, program_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, program_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, program_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_hosts AS sh ON sh.host=si.host INNER JOIN syslog_programs AS sp ON sp.program=si.program WHERE status=26) AS merge;

@cigamit
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cigamit commented Jan 31, 2019

Yea, quite weird. Do you have more than one data collector? Do a top during this period to watch load.

@jdcoats
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jdcoats commented Jan 31, 2019

no significant load issues but i do find that every now and then script_server process will hang and will need to be killed. There were 2 hung this morning that had been there for 16hrs and now another 2 that have been hung for over an hour:
root 12761 99.6 0.1 150356 28560 ? R 09:28 73:18 /usr/bin/php -q /var/www/localhost/htdocs/cacti/script_server.php spine 1
root 32330 98.3 0.1 155028 28924 ? R 09:27 73:20 /usr/bin/php -q /var/www/localhost/htdocs/cacti/script_server.php spine 1

The spine Problems parsing Multi SNMP OID! are new with this version of spine.
spine.txt
spineV7.txt

@cigamit
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cigamit commented Feb 1, 2019

Okay, you have some damaged Data Sources. Were you running any of the 1.2 Betas? Let me know. For each of those Data Source with the issue, edit the Data Source and re-establish the correct index for the Data Sources and the issue will go away. This was a bug introduced in one of the 1.2 Beta's.

@jdcoats
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jdcoats commented Feb 1, 2019

I went directly from 1.1.38 to 1.2.1 no betas. I may have to delete all graphs and DS then, it seems wide spread as far as which devices are left hanging. Is there an easier way to determine which are causing it? I did already delete over 10k DS (mostly esxi host queries(changed all of the esxi to ping only until i can sort this out)) just trying to get it as stable as it is now so that I can troubleshoot.

@cigamit
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cigamit commented Feb 2, 2019

Search the poller cache with arg1 that ends with a period.

SELECT COUNT(*) FROM poller_item WHERE arg1 LIKE '%.';

Let me know what type of Data Template they are coming from. Also, what device type.

@jdcoats
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jdcoats commented Feb 2, 2019

MariaDB [cacti]> SELECT COUNT(*) FROM poller_item WHERE arg1 LIKE '%.'; +----------+ | COUNT(*) | +----------+ | 12550 | +----------+ 1 row in set (0.00 sec)

@cigamit
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cigamit commented Feb 2, 2019

Oh that sucks. Can you do some querying around to see if there is a common Data Template?

@cigamit
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cigamit commented Feb 2, 2019

You might want to try re-indexing those devices. They might be bad, but man that is a lot of data sources.

@jdcoats
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jdcoats commented Feb 2, 2019

re-indexing all hosts

@cigamit
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cigamit commented Feb 2, 2019

Keep me posted.

@jdcoats
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jdcoats commented Feb 2, 2019

most prevalent when running reindex is

PHP Notice: Undefined offset: 0 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 1 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 2 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 3 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 4 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 5 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 6 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93
PHP Notice: Undefined offset: 7 in /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line 93

@jdcoats
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jdcoats commented Feb 2, 2019

Timeout: No Response from 10.1.4.52:161 .......Timeout: No Response from 10.1.4.54:161 Timeout: No Response from 10.1.4.54:161 ...Timeout: No Response from 10.1.4.55:161 Timeout: No Response from 10.1.4.55:161 .............................Timeout: No Response from 10.9.76.186:161 Timeout: No Response from 10.9.76.186:161 ...........Timeout: No Response from 10.9.76.162:161 Timeout: No Response from 10.9.76.162:161 .......Timeout: No Response from 10.9.76.235:161 Timeout: No Response from 10.9.76.235:161 .....Timeout: No Response from 10.9.75.101:161 .....Timeout: No Response from 10.9.76.106:161 Timeout: No Response from 10.9.76.106:161 .Timeout: No Response from 10.9.76.106:161 Timeout: No Response from 10.9.76.106:161 ...Timeout: No Response from 10.9.76.107:161 Timeout: No Response from 10.9.76.107:161 Timeout: No Response from 10.9.76.107:161 Timeout: No Response from 10.9.76.107:161 .Timeout: No Response from 10.9.76.107:161 ..Timeout: No Response from 10.9.76.150:161 ..............Timeout: No Response from 10.9.76.105:161 ....Timeout: No Response from 10.9.75.183:161 ................................Timeout: No Response from 10.9.77.166:161 .Timeout: No Response from 10.9.77.166:161 Timeout: No Response from 10.9.77.166:161 .Timeout: No Response from 10.9.77.166:161 Timeout: No Response from 10.9.77.166:161 ..Timeout: No Response from 10.9.77.158:161 .Timeout: No Response from 10.9.77.158:161 Timeout: No Response from 10.9.77.158:161 .......Timeout: No Response from 10.9.77.95:161 Timeout: No Response from 10.9.77.95:161 Timeout: No Response from 10.9.77.95:161 Timeout: No Response from 10.9.77.95:161 .Timeout: No Response from 10.9.77.95:161 Timeout: No Response from 10.9.77.95:161 ........................Timeout: No Response from 10.9.77.194:161 .Timeout: No Response from 10.9.77.194:161 Timeout: No Response from 10.9.77.194:161 Timeout: No Response from 10.9.77.194:161 Timeout: No Response from 10.9.77.194:161 .Timeout: No Response from 10.9.77.194:161 Timeout: No Response from 10.9.77.194:161
There are hundreds more but all windows servers and all of the snmp interface graphs are NaN after upgrade. Cant believe i hand not noticed that the windows servers weren't graphing :/ Im a network guy and always looking at the switch and router sides :)

@cigamit
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cigamit commented Feb 2, 2019

Okay, the undefined indexes are a pretty big deal. I'll look at that. But could you also get one of the Windows deivces back up, and after the subsequent re-index, verify that the indexes remap properly, then take it back down again and then re-attempt a re-index and let me know what happens?

@jdcoats
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jdcoats commented Feb 2, 2019

Yes I will, It sure would be nice if on the Datasources and Graphs page you could filter by "device type" It would be a lot easier to find them all. :) I'm close.
MariaDB [cacti]> SELECT COUNT(*) FROM poller_item WHERE arg1 LIKE '%.'; +----------+ | COUNT(*) | +----------+ | 1095 | +----------+ 1 row in set (0.05 sec)

cigamit added a commit that referenced this issue Feb 2, 2019
Issues with data collection
@cigamit
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cigamit commented Feb 2, 2019

I've updated the two ss_host_XXX.php scripts. Sync up with them before you do the test.

@jdcoats
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jdcoats commented Feb 2, 2019

untitled

windows host query

@cigamit
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cigamit commented Feb 2, 2019

Oh holy crap. Is that for timed out devices and before or after the changes?

@cigamit
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cigamit commented Feb 2, 2019

I think you should remove those entries from the various tables. Can you tell me if those devices are on a remote data collector? I'm trying to understand how html streams were inserted into the table.

I will make a change to remove those cleared indexes from the poller cache, and issue a periodic warning, and then ensure that when the poller cache is re-populated, that they don't wind up back in the poller cache.

In the mean time, tell me more about the devices with the bogus information in their snmp cache.

@jdcoats
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jdcoats commented Feb 2, 2019

only 1 local datacollector. it appears all windows hosts and only these 2 data queries. Refreshing the data query on any host produces the same output for these 2 queries.

@cigamit
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cigamit commented Feb 2, 2019

Okay, note the device ID, and due the following:

DELETE FROM host_snmp_cache WHERE host_id = ?

Do that and then re-index, does the problem go away, at least for the disk data query? If it continues for the process data query, you should upload the php script here and we can fix it and make it part of the package, though if I remember, if it was the snmpwalk one, it's horribly unreliable. Better to use hmib.

@jdcoats
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jdcoats commented Feb 2, 2019

no, refresh just re-populates it.

@jdcoats
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jdcoats commented Feb 2, 2019

what php script are you referring to? It looks like its using hmib. I did remove the hmib plugin completely post upgrade because with all the errors it was making things more difficult to troubleshoot. I did overwrite the hmib plugin scripts and resources with the native cacti ones, after uninstalling the plugin.

@cigamit
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cigamit commented Feb 2, 2019

It's weird cause that is not even cacti responses. Can you tcpdump it and see what is going on? Very odd. In the mean time, since I'm working on Plugins today, I'll re-install hmib. I've got to repackage the templates anyway due to this script change. Might as well get to it. But that html is not coming from any Cacti system, so I'm wondering where it's coming from...

Can you run the re-indexing script by hand? Basically:

cd scripts
php -q ss_host_disk.php ...

Just run a verbose query and copy the line you see there into a shell script on the server. Let's see what that returns.

@jdcoats
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jdcoats commented Feb 2, 2019 via email

@cigamit cigamit changed the title Cacti 1.2.1 poller and boost functionality Poller issuing WARNINGS will little way to diagnose Feb 2, 2019
cigamit added a commit that referenced this issue Feb 2, 2019
- Poller issuing WARNING with little way to diagnose
- This change will remove bad items first from the poller cache
- It adds a new option to filter Data Sources with a Status of Bad Index
- It issues a waring every few hours of the prescense of Bad Index in
the system.

The warning threshold may be excessive.  Will have to see as in large
installs indexes can get bad all the time.
@cigamit
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cigamit commented Feb 2, 2019

I've made an update that will do the following:

  1. Remove bad items from the poller cache on Re-Index or Device save
  2. Provide semi daily warning messages of the presence of these bad indexes
  3. Provide a way for you to filter the bad indexes from the Data Sources page

I hope this is enough to at lease uncover the scope of the issue. We still need to correct scripts of course that have issues.

@jdcoats
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jdcoats commented Feb 4, 2019

FYI, if you didn't figure this part out this weekend, the html being inserted is directly from ss_host_disk.php and ss_host_cpu.php

@cigamit
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cigamit commented Feb 4, 2019

Somehow that does not make sense. I saw <span> tags, which those scripts don't include.

@jdcoats
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jdcoats commented Feb 4, 2019

Instead of a screenshot, I copy and paste.
`

DOCTYPE html> DOCTYPE html> DOCTYPE html>  
-- '"` --> -- '"` --> -- '"` -->  
' . "Unknown\n"; ' . "Unknown\n"; ' . "Unknown\n";  
isset($called_by_script_server)) { isset($called_by_script_server)) { isset($called_by_script_server)) {  
isset($arr[$i]['value'])) { isset($arr[$i]['value'])) { isset($arr[$i]['value'])) {  
' . $arr[$i] . "\n"; ' . $arr[$i] . "\n"; ' . $arr[$i] . "\n";  
-- '"` --> -- '"` --> -- '"` -->  
-- blob contrib key: blob_contributors:v21:c33965b20d69ff71118c8a2f0080ce53 --> -- blob contrib key: blob_contributors:v21:c33965b20d69ff71118c8a2f0080ce53 --> -- blob contrib key: blob_contributors:v21:c

Then i grep for blob_contributors and find them.

`

@jdcoats
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jdcoats commented Feb 4, 2019

from the graph creation page when refreshing or hitting the back button it will do this for windows hosts with this query.
screen shot 02-04-19 at 08 53 am

@jdcoats
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jdcoats commented Feb 4, 2019

okay, If i clear the cache from a host
MariaDB [cacti]> DELETE FROM host_snmp_cache WHERE host_id = 3245;
Then requery now, the snmp hrstoragetable and snmp get processor information works but the get mounted partitions does not. at least it isnt populating with the html. Now I have to figure out how to clean up the rest of them.

@jdcoats
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jdcoats commented Feb 4, 2019

Data Query Debug Information
Total: 0.000000, Delta: 0.000000, Running Data Query [8].
Total: 0.000000, Delta: 0.000000, Found Type = '6' [Script Query - Script Server].
Total: 0.000000, Delta: 0.000000, Found data query XML file at '/var/www/localhost/htdocs/cacti/resource/script_server/host_disk.xml'
Total: 0.000000, Delta: 0.000000, XML file parsed ok.
Total: 0.280000, Delta: 0.280000, Executing script for num of indexes '"/usr/bin/php" -q /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php '10.9.75.227' '3245' '2:161:1000:2:10:myString::::::' 'num_indexes''
Total: 0.280000, Delta: 0.000000, Found number of indexes: 5
Total: 0.550000, Delta: 0.270000, ERROR: Data Query returned no indexes.

@jdcoats
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jdcoats commented Feb 4, 2019

`

2019/02/04 09:38:14 - CMDPHP PHP ERROR NOTICE Backtrace: (/scripts/ss_host_disk.php[17]:call_user_func_array(), ss_host_disk(), /scripts/ss_host_disk.php[66]:CactiErrorHandler())

2019/02/04 09:38:14 - ERROR PHP NOTICE: Undefined variable: return_array in file: /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line: 66
2019/02/04 09:38:03 - CMDPHP PHP ERROR NOTICE Backtrace: (/scripts/ss_host_disk.php[17]:call_user_func_array(), ss_host_disk(), /scripts/ss_host_disk.php[66]:CactiErrorHandler())
2019/02/04 09:38:03 - ERROR PHP NOTICE: Undefined variable: return_array in file: /var/www/localhost/htdocs/cacti/scripts/ss_host_disk.php on line: 66

`

@cigamit
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cigamit commented Feb 5, 2019

Look at issue #2372 as well. Fixing this shortly.

cigamit added a commit that referenced this issue Feb 5, 2019
Undefined variable warning
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cigamit commented Feb 9, 2019

Closing.

@cigamit cigamit closed this as completed Feb 9, 2019
@netniV netniV changed the title Poller issuing WARNINGS will little way to diagnose When indexes are incorrect, poller should log more information Feb 24, 2019
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