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Learning Ceph - Second Edition by Karan Singh, Vaibhav Bhembre, Anthony D'Atri

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OSD logs

Next let's check out entries from osd.8's log. Since Ceph OSDs are more numerous than MONs and process a larger rate of transactions we find that they grow much more quickly. Be sure to allocate ample space for them. As above, this cluster is running Ceph's Jewel release.

2017-09-18 00:19:08.268212 7fe07b990700  1 leveldb: Compacting 4@0 + 5@1 files
2017-09-18 00:19:08.327958 7fe07b990700  1 leveldb: Generated table   #14159: 55666 keys, 2129686 bytes
2017-09-18 00:19:08.382062 7fe07b990700  1 leveldb: Generated table     #14160: 52973 keys, 2129584 bytes
2017-09-18 00:19:08.434451 7fe07b990700  1 leveldb: Generated table   #14161: 54404 keys, 2129467 bytes
2017-09-18 00:19:08.488200 7fe07b990700  1 leveldb: Generated table    #14162: 54929 keys, ...

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