---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-19053 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/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop0 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 62M 62M 0 100% /snap/core20/1405 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 664 12850 1 2493 15017 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:1a:2a:39 brd ff:ff:ff:ff:ff:ff inet 10.30.107.73/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86239sec preferred_lft 86239sec inet6 fe80::f816:3eff:fe1a:2a39/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-19053) 02/21/26 _x86_64_ (4 CPU) 19:20:07 LINUX RESTART (4 CPU) 19:21:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:22:01 166.84 27.21 139.63 0.00 1440.03 18378.82 0.00 Average: 166.84 27.21 139.63 0.00 1440.03 18378.82 0.00 19:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 12789648 14939892 1050916 6.41 113120 2179984 1807020 10.36 1318108 1954652 235584 Average: 12789648 14939892 1050916 6.41 113120 2179984 1807020 10.36 1318108 1954652 235584 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:22:01 lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 19:22:01 ens3 227.88 177.70 2476.83 36.31 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 227.88 177.70 2476.83 36.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-19053) 02/21/26 _x86_64_ (4 CPU) 19:20:07 LINUX RESTART (4 CPU) 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 26.22 0.00 2.36 3.26 0.07 68.09 19:22:01 0 40.65 0.00 3.09 1.55 0.07 54.64 19:22:01 1 22.52 0.00 1.94 1.74 0.07 73.74 19:22:01 2 24.41 0.00 2.16 3.70 0.08 69.65 19:22:01 3 17.23 0.00 2.25 6.09 0.07 74.37 Average: all 26.22 0.00 2.36 3.26 0.07 68.09 Average: 0 40.65 0.00 3.09 1.55 0.07 54.64 Average: 1 22.52 0.00 1.94 1.74 0.07 73.74 Average: 2 24.41 0.00 2.16 3.70 0.08 69.65 Average: 3 17.23 0.00 2.25 6.09 0.07 74.37