---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-34151 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 638 12899 1 2471 15045 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:49:6c:bd brd ff:ff:ff:ff:ff:ff inet 10.30.107.60/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86240sec preferred_lft 86240sec inet6 fe80::f816:3eff:fe49:6cbd/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-34151) 08/09/25 _x86_64_ (4 CPU) 19:18:40 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 121.84 16.44 105.40 0.00 939.82 9760.63 0.00 19:21:01 174.77 20.43 154.34 0.00 1316.05 21503.62 0.00 Average: 148.30 18.44 129.87 0.00 1127.92 15631.63 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13400072 15164400 845468 5.16 79788 1862340 1609096 9.23 1016956 1701048 238624 19:21:01 13198204 15393592 600432 3.66 128240 2195144 1225816 7.03 887488 1968676 74976 Average: 13299138 15278996 722950 4.41 104014 2028742 1417456 8.13 952222 1834862 156800 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1.47 1.47 0.17 0.17 0.00 0.00 0.00 0.00 19:20:01 ens3 231.91 160.80 2105.41 28.75 0.00 0.00 0.00 0.00 19:21:01 lo 1.27 1.27 0.14 0.14 0.00 0.00 0.00 0.00 19:21:01 ens3 134.21 111.40 847.89 23.01 0.00 0.00 0.00 0.00 Average: lo 1.37 1.37 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 183.06 136.10 1476.70 25.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-34151) 08/09/25 _x86_64_ (4 CPU) 19:18:40 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 24.43 0.00 1.83 2.09 0.07 71.58 19:20:01 0 15.88 0.00 1.74 4.11 0.05 78.23 19:20:01 1 36.87 0.00 2.60 1.42 0.08 59.03 19:20:01 2 23.73 0.00 1.36 0.52 0.07 74.33 19:20:01 3 21.29 0.00 1.62 2.31 0.07 74.71 19:21:01 all 24.04 0.00 2.33 1.93 0.07 71.62 19:21:01 0 14.57 0.00 2.22 2.40 0.07 80.74 19:21:01 1 55.57 0.00 3.79 1.59 0.10 38.95 19:21:01 2 10.83 0.00 0.98 0.42 0.05 87.73 19:21:01 3 15.26 0.00 2.36 3.35 0.07 78.97 Average: all 24.24 0.00 2.08 2.01 0.07 71.60 Average: 0 15.22 0.00 1.98 3.25 0.06 79.49 Average: 1 46.23 0.00 3.19 1.51 0.09 48.98 Average: 2 17.25 0.00 1.17 0.47 0.06 81.06 Average: 3 18.28 0.00 1.99 2.83 0.07 76.84