---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-3140 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 8.8G 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/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/loop1 68M 68M 0 100% /snap/lxd/22753 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 609 12753 1 2645 15065 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:9c:08:05 brd ff:ff:ff:ff:ff:ff inet 10.30.106.123/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86237sec preferred_lft 86237sec inet6 fe80::f816:3eff:fe9c:805/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-3140) 06/27/26 _x86_64_ (4 CPU) 19:18:19 LINUX RESTART (4 CPU) 19:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 146.89 18.39 128.50 0.00 561.80 16624.86 0.00 19:21:01 148.68 12.98 135.69 0.00 1139.01 20871.72 0.00 Average: 147.79 15.66 132.13 0.00 852.83 18766.13 0.00 19:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 12938984 14984436 1004476 6.13 90324 2129056 1750584 10.04 1215248 1938484 285756 19:21:01 13067068 15434664 551460 3.36 130404 2362832 1140440 6.54 875344 2101496 25612 Average: 13003026 15209550 777968 4.75 110364 2245944 1445512 8.29 1045296 2019990 155684 19:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 ens3 294.81 217.44 3530.67 41.19 0.00 0.00 0.00 0.00 19:20:01 lo 1.29 1.29 0.15 0.15 0.00 0.00 0.00 0.00 19:21:01 ens3 41.41 33.49 255.56 20.19 0.00 0.00 0.00 0.00 19:21:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 167.05 124.69 1879.36 30.60 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-3140) 06/27/26 _x86_64_ (4 CPU) 19:18:19 LINUX RESTART (4 CPU) 19:19:02 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 26.08 0.00 2.12 1.64 0.08 70.08 19:20:01 0 37.09 0.00 2.31 0.59 0.07 59.93 19:20:01 1 15.86 0.00 2.01 1.11 0.09 80.95 19:20:01 2 13.88 0.00 1.58 3.98 0.09 80.47 19:20:01 3 37.46 0.00 2.58 0.88 0.07 59.01 19:21:01 all 20.53 0.00 1.88 1.53 0.07 76.00 19:21:01 0 25.88 0.00 2.25 0.68 0.07 71.11 19:21:01 1 4.94 0.00 1.30 1.63 0.08 92.04 19:21:01 2 27.46 0.00 2.43 3.61 0.07 66.43 19:21:01 3 24.02 0.00 1.53 0.18 0.05 74.21 Average: all 23.28 0.00 2.00 1.58 0.07 73.07 Average: 0 31.44 0.00 2.28 0.64 0.07 65.58 Average: 1 10.31 0.00 1.65 1.37 0.08 86.58 Average: 2 20.73 0.00 2.01 3.80 0.08 73.39 Average: 3 30.68 0.00 2.05 0.53 0.06 66.68