Questions tagged [monitoring]

An ongong check of various statistics and events, which can be used to spot telltale signs of underlying issues.

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36 views

Understanding BinLogDiskUsage Metric behavior

We are using AWS-RDS. The following is the screenshot of how the binary log disk usage has varied over the last 6 weeks. The log retention period is 3 days. Tables are optimized and archived once a ...
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queries to active live test health of a galera cluster

What queries could be used to foresee or better fine tune alerts to check the health status of a Galera (MariaDB) cluster? The problem I am facing is that randomly the cluster gest stalled because of ...
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Temboard: when monitoring a server modifying postgresql.conf on the server is not effective?

I've installed the Temboard tool (http://temboard.io/) to start monitoring my postgresql server. I've noticed that when I modify the postgresql.conf on the server and I restart it, the change is not ...
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Which MySQL shows CPU usage?

I am monitoring MySQL server using phpMyAdmin [Status => Monitor] function. And it shows a number of useful graphs. Which variables (or which mechanism) is phpMyAdmin using to pull this data? ps. ...
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23 views

Monitoring PostgreSQL backup

I am new to PostgreSQL and have questions regarding the backup procedure. How do I check whether a PostgreSQL database was backed up successfully? And how do I monitor the backup? I have tried the ...
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55 views

How to get CPU usage in MySQL per user?

I want to know is there anyway to get CPU usage per user in MySQL? for example I have 3 different users 'user1', 'user2' and 'user3'. I want to get the average/real time memory usage and CPU usage of ...
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19 views

MYSQL need log executed query in table along with executed user name

I would to like the executed quires with entire database tables for some mysql users only. Because some of users executed wrong query in production environment. And needs to store this log in new ...
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25 views

How to know the size of data returned from a select statement using extended event in azure sql MI?

When a select statement is issued I would like to know the the query issued by the user and the number of rows returned along with the bytes/MB of data returned using extended events. With event ...
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How to Measure data consumed by an user in Azure sql server database?

For an Azure sql server MI, we have multiple external users consuming data, I would like to know how much data an user is consuming/extracting from the DB? Can this be checked from, 1.) From SSMS ...
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Query showing which queries are processing with info about it in PostgreSQL

I'm pretty sure there is a query that shows which queries / processes are running in realtime. It shows which machine or user are running it, when they started and when they finish, and info like that ...
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113 views

How to monitor a file share witness for accessibility

In the context of a SQL Server Availability Group, what's the best way to monitor a file share witness for accessibility? I want to make sure the witness can be accessed by the Availability Group ...
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25 views

Monitoring Maintenance Tasks in AlwaysOn Clusters

I have an environment with multiple AGs on a single server and they encounter a split situation in which some end up on one node and some end up on the other node (in a failover event, perhaps). When ...
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How to minimize\plan ahead the effect of running sp_delete_backuphistory? Measure the gains too!

while running the following query: -- DATEADD (datepart , number , date ) DECLARE @dt DATETIME SELECT @dt = DATEADD(month,-6,getdate()) select @dt EXEC msdb.dbo.sp_delete_backuphistory @...
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how does CXPACKETS relates to CXCONSUMER wait types?

when running a delete query to a table that has many foreign keys I get the following waits. I noticed that I have both CXPACKETS and CXCONSUMER wait types at the same time during of the execution ...
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127 views

Grafana Dashboard for postgres_exporter queries

Who uses postgres_exporter, tell me if you use https://github.com/wrouesnel/postgres_exporter/blob/master/queries.yaml ? if so, what Grafana Dashboard do you use? Thank you
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Is there a “@SkipChecks…” parameter equivalent for sp_BlitzFirst and sp_BlitzCache?

Silly question, how do I skip over certain databases when running sp_BlitzFirst and sp_BlitzCache? I'm on SQL Server 2008 R2 - Enterprise (10.50.4042.0). (I'm not sure how to get the First Responder ...
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22 views

Find Source & Details of APL Heap Table Insert

I have been running system monitor(sysmon) on Sybase ASE 15.7(SP139) on HP-UX(Itanium) with below command: sp_sysmon "00:10:00" go Observed that number of inserts are very high in any time of a day, ...
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SQL Server: how to monitor activity in several databases

I have several dbs in production and I'd like to have a high level overview of the activity. Ideally I'd like to know: number of users accessing the db per day number of inserts per table per day ...
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Is there any way to determine how many rows a transaction has modified (before the transaction ends)?

I have a ~320 million row table on which I run the following query: UPDATE my_table SET state = TRIM(state) Needless to say this has been running for 90+ hours (since thursday afternoon) and has not ...
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220 views

How to trace security_error_ring_buffer_recorded errors in SQL Server 2014 Express

Just so everyone doesn't have a high expectation of my level of knowledge on this topic, I'm not a DBA; I'm a .NET developer who has to try and figure this out by virtue of being "the one most likely ...
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853 views

MySQL crashing at about 70k open files

Server running community 8.0.14, we hit the number of open files a few days ago, so I increased the limit but after a while the server crashed with this in the error log: InnoDB: We intentionally ...
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90 views

Integrating MongoDB metrices with Cloud watch

We are hosting mongodb in AWS environment and planning to create incident in Servicenow using AWS Cloud watch alarm facility Has anyone integrated MongoDB Monitoring metrices with Cloud watch to ...
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50 views

Using SQL Server Reporting Services for monitoring database performance

I'd like to know whether it is a good idea to use SSRS for db monitoring or not? I want to check different parameters of a db such as Deadlock, page splits, and page reads/sec to improve db ...
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50 views

How full is my innodb shared table space?

How can I find out how much data is in the innodb shared table space. I have a massive shared idb file but I suspect that it contains only about 350 Gigs of data. I need to know how full it is so I ...
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18 views

Capture Extended Events Histogram only during time window

We have a problematic time window during night on the weekends. I want to set up multiple Extended Events sessions to capture some data and get insight. Most of them will target a file, which I can ...
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How can I connect the mysql enterprise monitor to its repository database with a socket?

By default the Oracle-MySQL-Monitor MEM (used to monitor MySQL Enterprise Instances) connects to its own repository database through localhost. Since we want to reduce the bindings of that database ...
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53 views

CPU and Hard Drive Spike for 20-30 Minutes

I'm collecting data on the performance of our Microsoft SQL 2008 server in preparation for moving it to Azure. It's a very low load server (currently max concurrent transactions max out at 3), ...
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85 views

Monitoring Log-Shipping for Multiple Databases

We are setting up log-shipping for multiple databases hosted at different server and while process began, I noticed that only one SQL job is being retained at Monitoring Server. Our plan was to have ...
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MariaDB instance in cloud hit 95% CPU utilisation for 30 mins

I've got MariaDB instance in the cloud which I put live about 2 months ago. I'm new to the DBA business and I got the impression the people at the company who I run it through are learning on the hoof ...
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20 views

Monitor volume of data returned to the client application

I've identified ASYNC_NETWORK_IO as our top wait by some distance averaging between 70-77% of wait time for our client application SQL Server. This has been put forward towards the development team ...
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57 views

How to check the errorlog for important messages

I would like to receive an email every day from each of "my" SQL Servers, with information from the ErrorLog. I would like an easy way to determine if there is any important new information, that I ...
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89 views

Performance Tuning ETL

I administer a datawarehouse running on SQL Server 2016. This datawarehouse has most of its ETL processing done during a nightly load, except for a few SSIS packages that run throughout the day, then ...
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36 views

SentryOne timestamp out of sync

We are using SentryOne to monitor the servers and noticed something very peculiar. When looking at the same server data but with SentryOne software running in different timezone, the data seems to be ...
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96 views

mytop to monitor multiple mysql servers

I have multiple MySQL servers running on CentOS. I would like to use mytop to monitor real time database query activities, but do not want to install mytop locally on each of my MySQL instances. How ...
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1k views

Difference between fetched and returned tuples in postgresql

I'm facing a hard time trying to figure it out some performance problems in my database. I'm using a bunch of resources online to learn what to monitor and how to interpret that information. From ...
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126 views

Monitor source SQL code of inserts into table

I have a table with rows which should not be there, means the data is wrong according to business logic. And there is a lot of possible sources the insert statement of the "bad" row is coming from. I'...
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49 views

Monitor RAM/Memory

I'm planning to create a job that automatically gets the status of my server's RAM/memory at the time of the job's activation. My job has the command: use master insert into Rec.dbo.MemoryRec ...
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Cost / Capacity Planning: Quantify Data Ingress / Egress

To evaluate the migration of an on-prem SQL Server to a cloud-hosted VM, I want two fundamental pieces of information: The list of clients that access the on-prem DB Server. I'd like to know: client ...
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49 views

Any system tables/views to determine query volume per table

I was digging through the SQL Server system views and Windows performance counters and can't find any metrics regarding query volume PER TABLE in a given database. I am looking for any type of ...
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552 views

Tracking database and table size growth

Is there way we can get the table size and DB size growth from last one month day-wise? We are able to give the current size of DB and table size.
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79 views

Check connection details to SQL Server 2000/2005

I want to migrate some databases hosted in SQL Server 2000/2005 to SQL Server 2014. I don't have direct access to the databases and I want to know all applications connecting to it and connection ...
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161 views

MySQL innodb_row_lock_time is more than wall clock time

We recently started graphing the innodb_row_lock_time status variable in our monitoring system. I noticed something I can't understand on a graph for a busy server: Between 04:55PM and 04:57PM, the ...
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313 views

Oracle Standard Edition Monitoring Tools

We have 10g and 11g Oracle databases and all of them is Standard Edition. We need monitoring tools like cloud control for standard editions. Do you have any suggestions ?
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379 views

SQL Server 2017 Management Data Warehouse: collection_set_1 not working due to database trigger

The problem I have got an issue setting up Management Data Warehouse on SQL Server 2017 CU 5. The job "collection_set_1_noncached_collect_and_upload" keeps failing. It is related to the "Disk Usage" ...
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1answer
38 views

Select returns users locked or a default value for null rows

I'm don't have much knowlegde on Oracle database and used some questions from here to obtain this query: select case when ((sysdate - timestamp)*24 < 1 and returncode <> 0) then (username ...
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272 views

LOG all SQL Server queries with their durations

Is there a way to log all Microsoft SQL Server queries executed on a certain server, with their respective durations? I'd like to be able to analyze all queries will a tool like what PGBADGER does ...
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812 views

Why doesn't nodetool work on my Cassandra Cluster?

I have never been able to get nodetool to operate correctly to give me information about my cluster. We have a simple 3-node cluster of Cassandra 3.11.1 nodes running under CentOS 7.3 -- using the ...
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348 views

SQL Performance Monitor vs DMV Dynamic Management Views [closed]

We are trying to measure SQL Server Performance metrics. Is it better to record Performance Monitor (PerfMon) or DMV Dynamic Management Views to measure CPU, Memory, Buffer pages, etc? There are ...
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209 views

Long running statement not monitored by Oracle

We are trying to find out why a (pretty complicated) statement has an extremely high variance in runtime. Sometimes it just takes "minutes" (around 40-50) and sometimes it does not finish even after ...
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662 views

Show recent select queries on Firebird database file

Is there a way to log or query the n recent SELECT queries to an FDB database file? I have already tried using the MON$ and RDB$ tables but I didn't find anything useful.