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14 lines
1.7 KiB
14 lines
1.7 KiB
# Failure Modes |
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There are several different failure modes that can occur in a database, including: |
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* Read contention: This occurs when multiple clients or processes are trying to read data from the same location in the database at the same time, which can lead to delays or errors. |
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* Write contention: This occurs when multiple clients or processes are trying to write data to the same location in the database at the same time, which can lead to delays or errors. |
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* Thundering herd: This occurs when a large number of clients or processes try to access the same resource simultaneously, which can lead to resource exhaustion and reduced performance. |
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* Cascade: This occurs when a failure in one part of the database system causes a chain reaction that leads to failures in other parts of the system. |
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* Deadlock: This occurs when two or more transactions are waiting for each other to release a lock on a resource, leading to a standstill. |
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* Corruption: This occurs when data in the database becomes corrupted, which can lead to errors or unexpected results when reading or writing to the database. |
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* Hardware failure: This occurs when hardware components, such as disk drives or memory, fail, which can lead to data loss or corruption. |
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* Software failure: This occurs when software components, such as the database management system or application, fail, which can lead to errors or unexpected results. |
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* Network failure: This occurs when the network connection between the database and the client is lost, which can lead to errors or timeouts when trying to access the database. |
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* Denial of service (DoS) attack: This occurs when a malicious actor attempts to overwhelm the database with requests, leading to resource exhaustion and reduced performance.
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