---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22657 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled 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; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 660 10473 4 4855 14986 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:e6:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fe9c:e614/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:ba:45:5d:ca:61 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22657) 06/02/26 _x86_64_ (4 CPU) 17:47:18 LINUX RESTART (4 CPU) 17:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:10 10.77 1.97 8.26 0.55 126.59 2370.13 1221.02 18:10:02 34.47 12.81 19.19 2.46 161.52 3231.52 7098.24 Average: 22.54 7.35 13.69 1.50 143.94 2797.94 4139.94 17:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:10 10841000 14054000 1906832 11.65 125236 3221152 2401244 13.78 532116 4636044 28248 18:10:02 9204196 13340424 2611828 15.95 165696 4013796 2791656 16.02 794144 5890744 8792 Average: 10022598 13697212 2259330 13.80 145466 3617474 2596450 14.90 663130 5263394 18520 17:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:10 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 18:00:10 ens3 76.89 62.86 675.60 13.50 0.00 0.00 0.00 0.00 18:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:02 lo 968.36 968.36 921.94 921.94 0.00 0.00 0.00 0.00 18:10:02 ens3 89.95 65.30 334.58 18.64 0.00 0.00 0.00 0.00 18:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 481.30 481.30 457.92 457.92 0.00 0.00 0.00 0.00 Average: ens3 83.38 64.07 506.23 16.05 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22657) 06/02/26 _x86_64_ (4 CPU) 17:47:18 LINUX RESTART (4 CPU) 17:50:10 CPU %user %nice %system %iowait %steal %idle 18:00:10 all 40.88 0.00 1.32 0.05 0.08 57.68 18:00:10 0 40.57 0.00 1.01 0.02 0.07 58.32 18:00:10 1 40.30 0.00 1.65 0.04 0.08 57.93 18:00:10 2 42.03 0.00 1.24 0.07 0.08 56.58 18:00:10 3 40.61 0.00 1.39 0.05 0.08 57.87 18:10:02 all 69.89 0.07 2.66 0.06 0.11 27.22 18:10:02 0 66.33 0.09 2.29 0.08 0.11 31.10 18:10:02 1 73.97 0.00 3.16 0.05 0.11 22.71 18:10:02 2 68.19 0.18 2.62 0.10 0.10 28.81 18:10:02 3 71.07 0.00 2.56 0.02 0.11 26.24 Average: all 55.28 0.03 1.99 0.05 0.09 42.55 Average: 0 53.37 0.05 1.65 0.05 0.09 44.80 Average: 1 57.01 0.00 2.40 0.04 0.10 40.45 Average: 2 55.01 0.09 1.93 0.09 0.09 42.80 Average: 3 55.74 0.00 1.97 0.04 0.09 42.16