---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-4845 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/loop2 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 608 12762 1 2638 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:88:46:de brd ff:ff:ff:ff:ff:ff inet 10.30.106.188/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86237sec preferred_lft 86237sec inet6 fe80::f816:3eff:fe88:46de/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-4845) 10/24/26 _x86_64_ (4 CPU) 19:17:58 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:02 270.55 41.24 229.31 0.00 3690.98 85622.40 0.00 19:20:01 173.51 28.11 145.40 0.00 1526.79 21160.63 0.00 Average: 222.44 34.73 187.71 0.00 2617.98 53662.32 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:02 13840532 15461164 548224 3.34 71296 1745064 1174540 6.73 701412 1591084 175396 19:20:01 13136820 15480400 505476 3.08 128288 2343284 1154032 6.62 797768 2110160 286472 Average: 13488676 15470782 526850 3.21 99792 2044174 1164286 6.68 749590 1850622 230934 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:02 ens3 350.54 252.62 1810.08 73.82 0.00 0.00 0.00 0.00 19:19:02 lo 1.93 1.93 0.22 0.22 0.00 0.00 0.00 0.00 19:20:01 ens3 266.87 184.26 2849.11 43.86 0.00 0.00 0.00 0.00 19:20:01 lo 0.95 0.95 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 309.06 218.73 2325.23 58.96 0.00 0.00 0.00 0.00 Average: lo 1.45 1.45 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-4845) 10/24/26 _x86_64_ (4 CPU) 19:17:58 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:02 all 20.26 0.00 2.89 3.64 0.01 73.20 19:19:02 0 22.20 0.00 3.27 2.48 0.02 72.04 19:19:02 1 13.35 0.00 2.16 1.75 0.00 82.74 19:19:02 2 14.45 0.00 2.27 6.52 0.00 76.76 19:19:02 3 31.07 0.00 3.86 3.80 0.02 61.25 19:20:01 all 26.83 0.00 2.50 1.71 0.01 68.95 19:20:01 0 19.13 0.00 2.49 1.92 0.00 76.46 19:20:01 1 17.87 0.00 2.00 0.20 0.02 79.90 19:20:01 2 16.47 0.00 1.57 3.33 0.02 78.61 19:20:01 3 53.95 0.00 3.93 1.38 0.02 40.72 Average: all 23.52 0.00 2.69 2.68 0.01 71.09 Average: 0 20.68 0.00 2.88 2.20 0.01 74.23 Average: 1 15.59 0.00 2.08 0.99 0.01 81.33 Average: 2 15.45 0.00 1.93 4.94 0.01 77.68 Average: 3 42.41 0.00 3.90 2.60 0.02 51.08