---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-38579 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/vda15 105M 6.1M 99M 6% /boot/efi /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 646 12946 1 2415 15036 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:d6:42:3f brd ff:ff:ff:ff:ff:ff inet 10.30.106.119/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86241sec preferred_lft 86241sec inet6 fe80::f816:3eff:fed6:423f/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-38579) 09/14/24 _x86_64_ (4 CPU) 19:20:56 LINUX RESTART (4 CPU) 19:21:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:22:03 255.69 51.02 204.67 0.00 4629.76 66452.92 0.00 19:23:01 157.70 19.94 137.75 0.00 535.36 16292.66 0.00 Average: 207.52 35.75 171.78 0.00 2617.25 41797.81 0.00 19:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:03 13908308 15489240 529416 3.23 68780 1700996 1101248 6.31 696868 1532868 143880 19:23:01 13302904 15434196 557956 3.40 125080 2139796 1186812 6.80 836864 1916028 274760 Average: 13605606 15461718 543686 3.32 96930 1920396 1144030 6.56 766866 1724448 209320 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:22:03 ens3 385.39 245.04 1534.70 73.87 0.00 0.00 0.00 0.00 19:22:03 lo 1.87 1.87 0.20 0.20 0.00 0.00 0.00 0.00 19:23:01 ens3 170.78 143.58 1850.14 36.93 0.00 0.00 0.00 0.00 19:23:01 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 279.90 195.17 1689.75 55.71 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 0.16 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-38579) 09/14/24 _x86_64_ (4 CPU) 19:20:56 LINUX RESTART (4 CPU) 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:03 all 19.95 0.00 2.33 7.22 0.07 70.44 19:22:03 0 34.73 0.00 3.09 3.21 0.05 58.92 19:22:03 1 19.86 0.00 2.71 13.28 0.07 64.08 19:22:03 2 11.03 0.00 1.71 10.49 0.07 76.71 19:22:03 3 14.15 0.00 1.81 1.91 0.08 82.05 19:23:01 all 26.68 0.00 2.23 3.12 0.09 67.87 19:23:01 0 24.50 0.00 1.85 3.68 0.09 69.88 19:23:01 1 43.20 0.00 3.01 3.50 0.09 50.21 19:23:01 2 16.65 0.00 2.05 4.35 0.05 76.90 19:23:01 3 22.41 0.00 2.03 0.95 0.14 74.47 Average: all 23.26 0.00 2.28 5.20 0.08 69.18 Average: 0 29.70 0.00 2.48 3.44 0.07 64.31 Average: 1 31.34 0.00 2.86 8.47 0.08 57.26 Average: 2 13.80 0.00 1.88 7.46 0.06 76.80 Average: 3 18.20 0.00 1.92 1.44 0.11 78.33