---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-44109 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 2 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 8.6G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 44M 44M 0 100% /snap/snapd/15177 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 658 12878 1 2472 15022 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:67:4a:62 brd ff:ff:ff:ff:ff:ff inet 10.30.106.190/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86245sec preferred_lft 86245sec inet6 fe80::f816:3eff:fe67:4a62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-44109) 09/06/25 _x86_64_ (4 CPU) 19:17:56 LINUX RESTART (4 CPU) 19:18:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:01 330.94 40.25 290.70 0.00 3669.07 21632.13 0.00 19:20:01 166.57 27.93 138.64 0.00 1546.94 19077.90 0.00 Average: 248.07 34.04 214.03 0.00 2599.09 20344.29 0.00 19:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:01 13769560 15405112 606880 3.70 74076 1749948 1188648 6.81 761704 1599440 177880 19:20:01 13201520 15390360 598436 3.65 127508 2193072 1190076 6.82 883480 1965364 195820 Average: 13485540 15397736 602658 3.68 100792 1971510 1189362 6.82 822592 1782402 186850 19:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:01 lo 2.03 2.03 0.23 0.23 0.00 0.00 0.00 0.00 19:19:01 ens3 359.75 240.77 1891.13 78.40 0.00 0.00 0.00 0.00 19:20:01 lo 1.20 1.20 0.13 0.13 0.00 0.00 0.00 0.00 19:20:01 ens3 237.48 167.09 1835.23 42.94 0.00 0.00 0.00 0.00 Average: lo 1.61 1.61 0.18 0.18 0.00 0.00 0.00 0.00 Average: ens3 298.10 203.62 1862.94 60.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-44109) 09/06/25 _x86_64_ (4 CPU) 19:17:56 LINUX RESTART (4 CPU) 19:18:02 CPU %user %nice %system %iowait %steal %idle 19:19:01 all 23.64 0.00 2.42 3.01 0.06 70.88 19:19:01 0 10.38 0.00 1.89 6.44 0.07 81.22 19:19:01 1 19.31 0.00 1.70 1.09 0.05 77.84 19:19:01 2 45.02 0.00 4.19 3.69 0.09 47.01 19:19:01 3 19.86 0.00 1.88 0.81 0.03 77.40 19:20:01 all 27.68 0.00 2.44 1.54 0.08 68.26 19:20:01 0 14.02 0.00 2.18 3.09 0.07 80.65 19:20:01 1 40.66 0.00 3.65 1.30 0.07 54.32 19:20:01 2 26.82 0.00 2.08 1.02 0.08 70.00 19:20:01 3 29.32 0.00 1.87 0.75 0.08 67.97 Average: all 25.68 0.00 2.43 2.27 0.07 69.55 Average: 0 12.22 0.00 2.03 4.75 0.07 80.93 Average: 1 30.09 0.00 2.68 1.20 0.06 65.97 Average: 2 35.82 0.00 3.12 2.34 0.08 58.63 Average: 3 24.63 0.00 1.88 0.78 0.06 72.65