Database
General
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Warning: write fail: queue too deep
Problem DescriptionWhen an Aerospike database has one or many namespaces using ...
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How do I speed up cold start eviction?
Problem DescriptionI restarted OS and it resulted in Aerospike to do a cold sta...
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How To Speed Up Cold Start
ContextAerospike cold restart scans all records on the persisted storage layer ...
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How to zeroize multiple storage devices simultaneously?
ContextCustomer may need to dd (erase) multiple disk on a server. This can occ...
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Why is asd process blocked for more than 120 Seconds?
Problem DescriptionCustomer is finding "INFO: task NAME:PID blocked for more th...
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How to completely remove and clean-up an Aerospike server installation?
ContextThe following describes the procedure for the proper removal or uninstal...
Monitoring
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How to access the Unique Data Agent UDA Via the API
ContextThe Aerospike Unique Data Agent (UDA) tracks unique data usage of an Aer...
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Error "failed to verify certificate: x509: certificate relies on legacy Common Name field" observed when running Aerospike Prometheus Eexporter with SSL
Problem DescriptionUsing SSL while configuring Aerospike Prometheus exporter is...
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Should I leave microbenchmarks permanently enabled?
DetailBy default Aerospike has some basic benchmarks enabled which can be used ...
Memory
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Read latency with data-in-memory due to disk slowdown
Problem DescriptionIn an Aerospike cluster where a namespace is configured for ...
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How to understand free contiguous memory segments
ContextWhen a server OOM's, has issues allocating Arena segments or thrashes th...
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How much memory does Aerospike use?
DetailIn addition any Primary Index or Data that you have configured to be stor...
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Does Shared Memory Get Fully Allocated Immediately
DetailWhen using shared memory (shmem), does the full amount requested by Aeros...
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How to Recover Shared Memory (shmem) Usage by adding new nodes
ContextAlternative to rolling cold start, adding new empty nodes may be a bette...
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How do I identify Shared memory segments?
ContextAerospike uses System V shared memory segments for several internal data...
Security
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What user privileges are required to backup and restore Aerospike namespaces
DetailWith the Security option in Aerospike Enterprise Edition it is possible t...
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How do I see users using asadm
DetailI need to see the users on my aerospike system, how can I view them using...
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How to grant back user-admin role to admin user, if revoked
ContextIf user-admin role to admin user is revoked by mistake, then one will no...
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Why do I see additional privileges under the default Aerospike roles
Problem DescriptionAfter upgrading to 6.x, one of the new Aerospike preset role...
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How to add a new node when using security
ContextWhen adding a new node to a cluster using security, it is best practice ...