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How to change data-size config in a running cluster?
ContextThe data-size setting was introduced in Aerospike server 7.0. It specifi...
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How to convert EDIGEST base64 to DIGEST ?
ContextAerospike Backup tool (asbackup) currently stores the DIGEST of a record...
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How to change the cluster-name dynamically?
Contextcluster-name setting can be dynamically changed on a cluster.MethodChang...
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Aerospike won't start due to failing to load key file
Problem DescriptionAerospike server is failing to start due to this error in th...
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How to proceed security authentication without downtime,
ContextStarting from server 5.7, manage roles and users will use asadm. For ref...
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Understanding Consistency Level Overrides
DetailThere are two server side parameters available for tuning consistency in ...
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FAQ - Differences between getting single record versus batch
DetailWhat are the performance considerations/differences between single record...
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FAQ: Considerations while deciding single bin records vs multi bin records
DetailIn data-modeling, it is a common question whether to choose a single-bin ...
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Why can the number of objects after a coldstart be less than before?
DetailBefore you coldstarted Aerospike, you checked in AQL under show sets to l...
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Why is system_free_mem_pct low?
DetailThe system_free_mem_pct is showing 20% but memory_used_bytes is only 22G ...
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What happens when a node is taken out for maintenance and there is a TTL change in between?
DetailIn a running Aerospike cluster where records are written with non-zero TT...
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Health rule to compute storage availability on a single node failure.
DetailFrom the health -v command in asadm, we get a warning saying "Namespace s...
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How does the Aerospike tomb-raider work?
DetailCustomers often see regular CPU spikes every 24 hours and contact Support...
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How to throttle scan UDFs?
ContextRunning scan UDFs can impact system resources and transaction queues and...
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Multiple servers crashed with SIGSEGV on version 6.2.0.11
Problem DescriptionMultiple cluster nodes crashed with SIGSEGV on server versi...
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FAQ- Queries on Client Open Connections
DetailFew queries regarding the client open connections to the server: Is there...
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Backup fails when counting cluster objects
Problem DescriptionI see an error in the backup indicating errors while countin...
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Why do I see migrations with migrate-fill-delay set?
DetailWhy do customers see migrations occurring when the migrate-fill-delay is ...
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How to recover tombstones faster ?
ContextIrrespective of the tuning parameters of the tomb-raider, the tombstones...
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How to set MTU
ContextHow to set MTU which is in the network context for heartbeat.By default,...
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Node fails to start with error "could not allocate x-byte shmem stripe"
Problem DescriptionNode failed to start while installing version 7. Below error...
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Quiesce a node when all nodes hold a copy of all data
ContextIf you are running your cluster with replication-factor equal to the num...
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Can we get the size of a bin in a record?
DetailNormally, we can see the total amount of memory or device size used by a ...
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Client delete metrics when using bin convergence and durable deletes
DetailWhy is it then when issuing a client durable delete that the client_delet...
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What are the advantages and disadvantages of running with higher replication factor values?
AnswerWhat are the Key Advantages to running with a higher replication factor v...
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Converting the LUT of a record to readable time
ContextYou have an LUT for a record, and now you need to see that time in real ...
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How to prevent a client machine from sending its corrupted data to Aerospike
ContextA client machine can get corrupted and send its corrupted data to Aerosp...
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Disabling transparent huge pages (THP) for Aerospike
ContextBackgroundThe physical memory in linux is not directly mapped to virtual...
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How many fabric connections does each server node open
DetailWe do have fabric connections which usually will be static and are used f...
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How to clear tombstones manually?
DetailAs tombstones consume Primary Index space in memory or device, is there a...