---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-5486 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8.8G 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 677 12684 1 2646 15005 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:96:9c:6d brd ff:ff:ff:ff:ff:ff inet 10.30.106.144/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86245sec preferred_lft 86245sec inet6 fe80::f816:3eff:fe96:9c6d/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-5486) 09/26/26 _x86_64_ (4 CPU) 19:17:49 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:02 290.62 39.49 251.12 0.00 3597.00 21890.08 0.00 19:20:01 181.12 28.76 152.36 0.00 1606.24 34450.58 0.00 Average: 236.33 34.17 202.16 0.00 2609.98 28117.57 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:02 13601168 15363272 644572 3.93 76068 1866120 1233408 7.07 804628 1708860 281600 19:20:01 12999028 15371984 618728 3.77 128076 2364512 1191696 6.83 906344 2134156 207148 Average: 13300098 15367628 631650 3.85 102072 2115316 1212552 6.95 855486 1921508 244374 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:02 ens3 330.93 233.34 2046.65 74.00 0.00 0.00 0.00 0.00 19:19:02 lo 1.27 1.27 0.15 0.15 0.00 0.00 0.00 0.00 19:20:01 ens3 251.65 185.82 2626.47 47.30 0.00 0.00 0.00 0.00 19:20:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 291.62 209.78 2334.12 60.77 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-5486) 09/26/26 _x86_64_ (4 CPU) 19:17:49 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:02 all 21.71 0.00 2.26 2.99 0.01 73.03 19:19:02 0 23.38 0.00 2.73 3.20 0.02 70.67 19:19:02 1 23.01 0.00 2.37 3.75 0.00 70.86 19:19:02 2 26.62 0.00 2.16 3.09 0.02 68.11 19:19:02 3 13.80 0.00 1.78 1.93 0.00 82.50 19:20:01 all 26.41 0.00 2.77 1.57 0.01 69.24 19:20:01 0 25.94 0.00 2.37 0.63 0.02 71.04 19:20:01 1 37.33 0.00 3.62 1.50 0.02 57.54 19:20:01 2 26.56 0.00 3.00 3.76 0.00 66.68 19:20:01 3 15.77 0.00 2.08 0.41 0.02 81.73 Average: all 24.04 0.00 2.51 2.29 0.01 71.15 Average: 0 24.65 0.00 2.55 1.92 0.02 70.86 Average: 1 30.11 0.00 2.99 2.63 0.01 64.26 Average: 2 26.59 0.00 2.57 3.43 0.01 67.40 Average: 3 14.77 0.00 1.93 1.17 0.01 82.11