Top 5 server performance problems and how to resolve them using OpManager
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Transcript of Top 5 server performance problems and how to resolve them using OpManager
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Top 5 Server Performance Management problems
& How to resolve them using
OpManager
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Agenda
– About ManageEngine– Survey inferences– Top 5 server performance problems
– Problem, outcome, and what to monitor
– How to resolve them using OpManager– Discussion
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About ManageEngine
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ManageEngine software is used by over 40,000 customers including 3 out of every 5 fortune 500 companies
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About ManageEngine
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ManageEngine is the only IT Management vendor focused on bringing a complete IT Management portfolio to the mid-sized enterprise
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Survey Thanks
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We thank our customersfor sharing their views on server
performance problems Over 100 survey participants
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Survey – Categories and Concerns
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1. Inventory and Mapping– Physical location of the server– List of servers and their hardware & software configuration details– Connected switch ports information
2. Server Resources crunch– Hard Disk– CPU and Memory crunch– Network I/O
3. Hardware health & environment issues – Server hardware failures– Temperature and humidity in a Data-Center.– UPS health
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Survey – Categories and Concerns
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4. Service Availability and SLA Management– Unstable application services or poor performance of application
components – DNS/ DHCP conflicts– Multi-tier service level visibility
5. Capacity Management– Optimum utilization of server to reduce the floor space and power
consumption (Green IT) – Virtualization management hiccups– Server utilization trending
6. Security Threats– Vulnerability assessment– Service Packs/ Patch deployment– Log Analysis – Compliance reporting
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Top server performance problems
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1.Hard Disk usage problems2.CPU/ Memory related issues3.Server temperature and power
hiccups4.Vulnerability assessment and
patching5.Network Interface bottlenecks
6.Virtualization management troubles
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Server Performance Problems
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Hard Disk Drive#1Data intensive applications or services, viz., File servers,
Database servers.
Problems– Sudden increase in logs like transaction logs,
application logs, error logs– Unsolicited operations
– Disk running out of space than intended– Hard Disk aging factor
– Increasing bad sectors and data loss
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Server Performance Problems
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Hard Disk Drive#10
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What to do!
– Configure log roll-overs– Avoid unwarranted operations – Schedule it for non-
business hours– Routine disk defragmentation– RAID
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Server Performance Problems
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Hard Disk Drive#1What to look for:
Disk Space metrics– Available Free Space/ Used Disk space– Rate of increase in disk space utilization
Disk performance metrics– Disk Speed per second (Reads, Writes & Transfer)– Disk Bytes (Read, Write & Transfer)– Disk Queue Length (Average, Current, Read & Write)
System Event Logs/ Syslogs or SNMP Traps
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Server Performance Problems
CPU & Memory#2Problems– Troubled Application/ Service – Unnecessary processes running
– Sudden spike in CPU/ Memory usage, leading to server crash
– High service response time or unavailability– Defective hardware components
– Unstable server
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Server Performance Problems
CPU & Memory#2 What to do!
– Tweak CPU priority/ affinity – Increase Application’s memory cache– Fine-tune virtual memory – Add more memory– Clustering/ Load balancing– Server Virtualization
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Server Performance Problems
CPU & Memory#2What to look for:
CPU performance metrics– Current CPU utilization– % Processor time & Processor Queue– Deferred Procedure Calls Queues & Interrupts/ Sec.
Memory performance metrics– Current Memory Utilization or Free Memory– Page/ Sec. (Faults, Writes, Input, Output)– Cache Bytes, Peak and Faults/ Sec– Number of processes and their CPU/ Memory usage
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Server Performance Problems
Server Temperature & Power#3
Could happen to any server
Problems– Improper/ Failure of cooling system– Diminishing FAN speed or FAN breakdown– Power outages due to faulty PDU/ SMPS
– Poor server performance followed by application sluggishness
– Frequent server crash– UPS Low battery/ Poor generator health
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Server Performance Problems
Server Temperature & Power#3
Use case
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Server Performance Problems
#3 Server Temperature & Power
What to look for:
Vendor specific metrics– FAN Speed– Server Temperature– System Event Logs/ BIOS System logs/ SNMP Traps– Input/ Output voltage – Monitoring cooling units and temperature sensors for
current room temperature – Automated UPS and Generators health monitoring
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Server Performance Problems
Network Interface bottlenecks#4
Problems– Impulsive bandwidth
– Could be a virus attack or spamming – Excessive Error/ Discard rate
– Packet collision– Intermittent network connectivity and poor
application/ service performance– Bad Network Interface Card/ Cable disconnected
– Equivalent to device outage
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Server Performance Problems
Network Interface bottlenecks#4
Use case
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Server Performance Problems
Network Interface bottlenecks#4
What to look for:
Network Performance counters– Received or Transmitted Bytes per sec– Bandwidth Utilization– Packets Received or Transmitted per sec
Check Event Logs/ SyslogsNetwork Connectivity– Try replacing the cables/ NIC– Check the corresponding switch port performance
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Server Performance Problems
Virtualization Management#5
Problems– Poor application consolidation - Over/ Under
provisioning– Applications starve for resources– Unplanned outages or poor business service
performance– Ad hoc virtual machine management & failure to
identify security lapses– Complexity in managing both physical and virtual
servers
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Server Performance Problems
Virtualization Management#5
What to look for:
Application consolidation– Total usage of CPU, Memory and Network has to be
considered– Verify the nature of data and the security needed
Virtual machines per host count – Syslog and regular virtual machines inventory checks
Integrated common set of tools – For monitoring and managing both physical and virtual
infrastructure
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ManageEngine OpManager
Server Performance Management using OpManager
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ManageEngine OpManager
Microsoft Applications MonitoringExclusive dashboards, Out-of-the-box monitors, pre-configured
thresholds for Exchange, SQL, Active Directory
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ManageEngine OpManager
ESX VMware MonitoringExclusive dashboards with Management options
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ManageEngine OpManager
Other Infrastructure devices MonitoringMonitors load balancers, UPS, sensors, printers and
any SNMP enabled device
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ManageEngine OpManager
Event Log Monitoring, Syslog Monitoring and SNMP TRAP Processing
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ManageEngine OpManager – Other features?
28
Visit us at www.opmanager.com
For support or product demos, mail us at [email protected]
Or Call us at +1 888 720 9500
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Summary
ManageEngine: The broader portfolio of affordable IT Management products, offering 90:10 promise
Survey inferences: 6 main categories and concerns of server performance management problems
The top 5 server performance problems, what to do and what to look for
How to monitor and management them using OpManager.
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Thank you