---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-30903 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 68M 68M 0 100% /snap/lxd/22753 /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 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 661 12876 1 2471 15020 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:7c:67:50 brd ff:ff:ff:ff:ff:ff inet 10.30.106.185/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86245sec preferred_lft 86245sec inet6 fe80::f816:3eff:fe7c:6750/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-30903) 07/26/25 _x86_64_ (4 CPU) 19:17:57 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:02 342.64 40.09 302.55 0.00 3649.05 81398.47 0.00 19:20:01 162.06 28.32 133.74 0.00 1572.89 18284.65 0.00 Average: 253.11 34.25 218.86 0.00 2619.78 50109.33 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:02 13792912 15421348 594556 3.63 73336 1742564 1211860 6.95 744696 1595176 170184 19:20:01 13225392 15415660 574524 3.50 127228 2193596 1181372 6.77 858500 1968076 238644 Average: 13509152 15418504 584540 3.57 100282 1968080 1196616 6.86 801598 1781626 204414 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:02 ens3 459.13 306.90 1863.68 81.76 0.00 0.00 0.00 0.00 19:19:02 lo 2.00 2.00 0.23 0.23 0.00 0.00 0.00 0.00 19:20:01 ens3 260.09 186.26 1869.25 42.38 0.00 0.00 0.00 0.00 19:20:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 360.46 247.09 1866.44 62.24 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 0.18 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-30903) 07/26/25 _x86_64_ (4 CPU) 19:17:57 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:02 all 23.03 0.00 2.48 3.63 0.06 70.79 19:19:02 0 34.77 0.00 3.04 4.32 0.07 57.80 19:19:02 1 20.08 0.00 2.13 2.70 0.05 75.05 19:19:02 2 14.62 0.00 2.21 4.62 0.05 78.49 19:19:02 3 22.63 0.00 2.55 2.90 0.08 71.84 19:20:01 all 27.43 0.00 2.60 1.61 0.08 68.29 19:20:01 0 55.89 0.00 3.91 2.05 0.07 38.08 19:20:01 1 17.50 0.00 1.77 0.37 0.08 80.28 19:20:01 2 18.70 0.00 2.88 2.64 0.09 75.70 19:20:01 3 17.51 0.00 1.82 1.38 0.09 79.20 Average: all 25.21 0.00 2.54 2.63 0.07 69.55 Average: 0 45.26 0.00 3.48 3.19 0.07 48.01 Average: 1 18.80 0.00 1.95 1.54 0.07 77.64 Average: 2 16.65 0.00 2.54 3.64 0.07 77.11 Average: 3 20.10 0.00 2.19 2.15 0.08 75.48