---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-22856 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 68M 68M 0 100% /snap/lxd/22753 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /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 653 12904 1 2451 15021 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:4f:38:78 brd ff:ff:ff:ff:ff:ff inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86242sec preferred_lft 86242sec inet6 fe80::f816:3eff:fe4f:3878/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-22856) 06/21/25 _x86_64_ (4 CPU) 19:18:58 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 345.34 40.56 304.78 0.00 3636.19 88032.93 0.00 19:21:01 165.82 27.69 138.13 0.00 1475.95 17383.24 0.00 Average: 256.34 34.18 222.16 0.00 2565.15 53004.88 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 13874420 15452920 560056 3.42 70316 1704228 1184276 6.79 713212 1550892 159832 19:21:01 13147176 15321876 665228 4.06 125768 2188484 1278424 7.33 956248 1954788 295664 Average: 13510798 15387398 612642 3.74 98042 1946356 1231350 7.06 834730 1752840 227748 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 2.00 2.00 0.23 0.23 0.00 0.00 0.00 0.00 19:20:02 ens3 483.02 330.41 1671.31 80.69 0.00 0.00 0.00 0.00 19:21:01 lo 0.88 0.88 0.10 0.10 0.00 0.00 0.00 0.00 19:21:01 ens3 284.75 221.86 2037.70 37.41 0.00 0.00 0.00 0.00 Average: lo 1.45 1.45 0.17 0.17 0.00 0.00 0.00 0.00 Average: ens3 384.72 276.59 1852.97 59.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-22856) 06/21/25 _x86_64_ (4 CPU) 19:18:58 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 20.08 0.00 2.53 6.12 0.07 71.20 19:20:02 0 19.13 0.00 2.19 1.89 0.07 76.73 19:20:02 1 18.06 0.00 1.80 0.77 0.05 79.32 19:20:02 2 35.11 0.00 4.53 14.23 0.08 46.04 19:20:02 3 8.06 0.00 1.61 7.64 0.08 82.62 19:21:01 all 27.23 0.00 2.27 1.94 0.07 68.49 19:21:01 0 21.04 0.00 1.80 0.81 0.07 76.28 19:21:01 1 16.45 0.00 1.85 3.25 0.10 78.34 19:21:01 2 33.45 0.00 2.02 0.80 0.05 63.69 19:21:01 3 38.00 0.00 3.42 2.91 0.07 55.60 Average: all 23.63 0.00 2.40 4.04 0.07 69.85 Average: 0 20.08 0.00 2.00 1.35 0.07 76.50 Average: 1 17.26 0.00 1.83 2.00 0.08 78.83 Average: 2 34.28 0.00 3.28 7.55 0.07 54.82 Average: 3 22.91 0.00 2.51 5.29 0.08 69.22