Arpitha
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Articles
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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 causing error: aerospike-prometheus-exporter: time="2023-12-19T09:28:45Z" level=error msg="ResultCode: NETWORK_ERROR...
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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 TTL, one of the nodes(Ex: Node A) is taken out for maintenance or is down for some reason. Now, replica node will become...
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Multiple servers crashed with SIGSEGV on version 6.2.0.11
Problem DescriptionMultiple cluster nodes crashed with SIGSEGV on server version 6.2.0.11 when using GeoJson queries and Points-within-Region.ExplanationCrash happened with following stacktrace: ...
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FAQ- Queries on Client Open Connections
DetailFew queries regarding the client open connections to the server: Is there any way to track the open connections?What are the default open connection configurations?Will there be any performan...
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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 set but is it possible to get the bin size or record size of a record?AnswerAerospike stores records - each record can...
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How to clear tombstones manually?
DetailAs tombstones consume Primary Index space in memory or device, is there a way to clear tombstones manually without the intervention of tomb-raider?AnswerThe tombstones will be eligible to be ...
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Why do we see traffic in fabric bulk channel when there are no migrations but cluster has XDR 4.9 configured?
DetailIn a cluster with no migrations happening, we can see traffic on fabric bulk channel which is mainly for migration data.What can cause this traffic on fabric_bulk apart from migrations?Answer...
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What causes "clique based evicted nodes while updating preferred principal" messages in aerospike logs and why?
DetailWhat is meant by the following log message “clique based evicted nodes while updating preferred principal” and why it is getting logged?AnswerIn Aerospike Server v3.13.x and newer we include ...
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How to add a new node to a cluster approaching utilization limits (HWM or stop-writes)?
ContextIn a situation where a cluster is close to reaching configured upper utilisation limits (high-water-memory-pct, high-water-disk-pct, mounts-high-water-pct, stop-writes-pct or min-avail-pct) ...
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Durable delete tombstones never removed in system where load is extremely low
Problem DescriptionWhen a record is deleted durably, a tombstone is created as a marker to that record. To prevent resource issues, tombstones are periodically removed by a process called the tomb ...