Trevor
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Activity overview
Latest activity by Trevor-
Trevor created an article, How To Speed Up Cold Start
ContextAerospike cold restart scans all records on the persisted storage layer and rebuilds the primary index (and data if data-in-memory is configured true) and then any secondary indexes in memor...
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Trevor created an article, SSL Key too small error on startup
Problem DescriptionWhen Aerospike and the OS have been upgraded on a node, the server fails at start up with error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small even though the s...
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Trevor created an article, Batch queue full error
Problem DescriptionThe following warning is seen in the Aerospike server logs: WARNING (batch): (batch.c::755) Failed to find active batch queue that is not full ExplanationThis error will be disp...
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Trevor created an article, How To Speed Up Evictions
ContextAerospike intentionally evicts slowly, so that it doesn't overshoot and evict more records than needed. Sometimes, though, reducing data volume quickly is more important.MethodThere are some...
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Trevor created an article, How to clear up set names when they exceed the limit
ContextDeleting sets doesn’t delete the associated meta data. At some point the maximum limit for sets would be breached. The following entry would be logged, indicating no more set names can be ad...
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Trevor created an article, Why Do I See Stalled Migrations And "record too small" Errors In The Log?
Problem DescriptionWhen a cluster is migrating the migration does not complete and nodes with incoming migrations report the following error in the logs. Mar 05 2020 01:41:07 GMT: WARNING (flat): ...
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Trevor created an article, Deletion From a Set With Secondary Index Is Slow
Problem DescriptionDeletion of records from a set that has a secondary index is slow.ExplanationSlow garbage collection for secondary indexes may cause deletion of records covered by the sindex to ...
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Trevor created an article, How to ship records to a different namespace via XDR
ContextNormally, XDR ships records from one namespace to the namespace of the same name in the remote DC. In most use cases, these are considered the "same" namespace and all is well. Some use case...
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Trevor created an article, XDR fails with "abandon result 4"
Problem DescriptionRecords are not getting shipped via XDR, even though it is enabled. The Aerospike logs on the source cluster show {namespace_name} DC dc_name abandon result 4 and the logs on th...
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Trevor created an article, High client connections on certain nodes due to uneven data distribution
Problem DescriptionIf a node has more partitions than the other nodes in the cluster, this may cause it to have more client connections as well.ExplanationBy default, Aerospike optimizes the partit...