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Last updated on 2024年7月24日

You're facing server crashes during peak business hours. How can you prevent them proactively?

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Server crashes during peak hours can be a nightmare for any business. They result in lost revenue, frustrated customers, and a tarnished reputation. As a system administrator, you know that preventing these issues is far better than scrambling to fix them in the heat of the moment. Proactive measures can help ensure that your servers remain robust and reliable, even under the strain of high traffic. This article will guide you through essential strategies to prevent server crashes and keep your operations running smoothly.

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1 Assess Load

To prevent server crashes, begin by evaluating your server's load capacity. Use tools to monitor real-time usage and identify peak times . Analyze the data to understand the traffic trends and prepare for high-load periods. If your server is consistently reaching its limits, it’s time to consider load balancing or scaling up resources . Load balancing distributes traffic across multiple servers, reducing the burden on any single machine. Scaling up, on the other hand, involves adding more power to your existing setup, either through enhanced hardware or increased bandwidth.

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AURELE TIOGOUONG

Multiplatform Systems engineer /database administrator and IT support specialists.
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To proactively prevent server crashes during peak business hours, implement robust monitoring and alerting systems to detect potential issues before they escalate. Regularly perform load testing and capacity planning to ensure servers can handle peak traffic. Optimize server performance by tuning configurations and applying updates to address vulnerabilities and bugs. Employ redundancy and failover solutions, such as load balancers and backup servers, to ensure high availability. Additionally, establish and follow a rigorous maintenance schedule, including regular backups and performance reviews, to minimize the risk of crashes and ensure quick recovery if they occur.

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Nagaraj Bhadravati Narasimha

ASSOCIATE MANAGER at DXC Technology
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To prevent Server crashes, need to have sufficient load on CPU, Memory, Network Bandwidth and incoming and outgoing traffic trends to be analysed and optimized to cater to peak and non peak hours

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Vibin Veluppe Poyil

STAMP-1G||MSc in Cybersecurity ||Windows Server Expert ||Azure Administrator || Former Principal Engineer at DELL Technologies
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First, analyze historical data thoroughly to identify patterns and common causes of past crashes. Implement proactive monitoring tools that provide real-time alerts on system performance, allowing administrators to address issues before they escalate. Regularly update and patch the OS and applications to fix vulnerabilities that could lead to crashes. Enhance capacity planning by ensuring servers can handle peak loads. Perform regular stress tests to simulate peak conditions and identify potential failure points. Additionally, ensure robust backup and disaster recovery plans are in place to quickly restore services in case of a crash.

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2 Optimize Code

Server crashes can often be traced back to inefficient code . Regularly review and optimize your applications’ codebase for performance. Look for memory leaks , which occur when an application fails to release unused memory, and inefficient loops or queries that can slow down or overload your server. Employing caching strategies can also significantly reduce the load on your server by storing frequently accessed data in a readily available form, minimizing the need to fetch it from the database on each request.

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3 Update Regularly

Keeping your server's software up to date is crucial for stability and security. Ensure that you regularly apply patches and updates to your operating system, web server software, and any applications running on your servers. These updates often contain fixes for known bugs that could cause crashes. Set up a schedule for maintenance windows during off-peak hours to apply these updates, and always test them in a staging environment before deploying to production.

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Nagaraj Bhadravati Narasimha

ASSOCIATE MANAGER at DXC Technology
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Keep update-to-date of patches and software so that technical glitches shall not arise due to outdated OS patches or softwares

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4 Monitor Performance

Implement a robust monitoring system to keep an eye on server performance indicators such as CPU usage, memory consumption, and disk I/O. Set up alerts to notify you when these metrics approach critical levels so you can take preemptive action. Monitoring tools can also help you track down the root cause of any performance issues by providing detailed logs and performance data over time. This proactive approach allows you to address problems before they escalate into full-blown crashes.

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Nagaraj Bhadravati Narasimha

ASSOCIATE MANAGER at DXC Technology
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Continuously monitor servers using appropriate tools and configure events with required thresholds to automatically generate and assign event tickets to the respective support teams for further investigation and diagnosis during server crashes

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5 Plan for Failover

Design a failover plan to ensure business continuity in case a server does go down. Failover is the process where operations automatically switch to a backup system when the primary system fails. This can involve setting up a redundant server or a cluster of servers that can take over if the main server crashes. Regularly test your failover mechanisms to ensure they work seamlessly when needed. Having a well-executed failover strategy in place can mean the difference between a minor hiccup and a major outage.

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Nagaraj Bhadravati Narasimha

ASSOCIATE MANAGER at DXC Technology
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Develop a failover strategy to ensure uninterrupted service, adhering to the SLA and considering the criticality of the server/service.

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6 Stress Test

Finally, conduct regular stress tests to simulate peak loads and identify potential points of failure. This involves creating a controlled environment where you gradually increase the load on your server until it reaches its maximum capacity. These tests will reveal weaknesses in your infrastructure that you can address before they cause real-world issues. Remember to perform stress tests during low-traffic periods to avoid impacting your users and to analyze the results carefully to make informed improvements.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Hadi Jedari

DevOps Team Lead at Technolife
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To proactively prevent server crashes during peak business hours: -Implement real-time performance monitoring and set up alerts for critical metrics. -Use load balancers and cloud-based auto-scaling to distribute traffic and adjust resources as needed. -Optimize applications and databases for efficiency, utilize caching, and ensure regular maintenance and updates. -Incorporate redundancy and failover mechanisms, use CDNs to offload static content, and conduct regular stress testing to identify potential issues. -Additionally, enhance security measures to protect against DDoS attacks and other vulnerabilities. These strategies collectively help maintain server stability and performance.

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You're facing server crashes during peak business hours. How can you prevent them proactively?

1

2

3

4

5

6

7

1 Assess Load

2 Optimize Code

3 Update Regularly

4 Monitor Performance

5 Plan for Failover

6 Stress Test

7 Here’s what else to consider

System Administration

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You're facing server crashes during peak business hours. How can you prevent them proactively?

1

2

3

4

5

6

7

1 Assess Load

2 Optimize Code

3 Update Regularly

4 Monitor Performance

5 Plan for Failover

6 Stress Test

7 Here’s what else to consider

System Administration

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感谢您的反馈

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