Discourse installation has been getting slower and slower and slower

Installation
36

Glad the reboot seems to have helped!

It might turn out to be informative. I’ll share mine, a much smaller system.

But here’s a thought, a kernel setting which can have a performance impact, do you have transparent huge pages enabled. I don’t:

# cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]

See MKJ’s Opinionated Discourse Deployment Configuration for advice!

Here’s my meminfo, on a much smaller system which is running well:

# cat /proc/meminfo 
MemTotal:        1009140 kB
MemFree:           91888 kB
MemAvailable:      88692 kB
Buffers:            7644 kB
Cached:           137040 kB
SwapCached:       144884 kB
Active:           418972 kB
Inactive:         380324 kB
Active(anon):     345300 kB
Inactive(anon):   345852 kB
Active(file):      73672 kB
Inactive(file):    34472 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       2097144 kB
SwapFree:        1049764 kB
Dirty:               400 kB
Writeback:             0 kB
AnonPages:        620688 kB
Mapped:            67192 kB
Shmem:             36536 kB
Slab:              67768 kB
SReclaimable:      27832 kB
SUnreclaim:        39936 kB
KernelStack:        3804 kB
PageTables:        14968 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2601712 kB
Committed_AS:    3784772 kB
VmallocTotal:   34359738367 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
CmaTotal:              0 kB
CmaFree:               0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      460652 kB
DirectMap2M:      587776 kB