---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42098 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 67G 15% / 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 725 9556 4 5706 14920 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:29:fb:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84490sec preferred_lft 84490sec inet6 fe80::f816:3eff:fe29:fbdf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:6c:33:ed:42:75 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42098) 08/28/26 _x86_64_ (4 CPU) 15:09:25 LINUX RESTART (4 CPU) 15:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 27.50 3.66 22.46 1.37 192.76 6297.95 1204.89 15:30:02 37.18 0.05 33.21 3.92 1.30 3612.48 17272.67 15:40:02 18.35 0.15 16.19 2.01 10.37 5539.25 2768.18 Average: 27.68 1.27 23.97 2.44 67.19 5140.32 7132.73 15:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9111520 12910964 3045588 18.60 151916 3735008 3493276 20.05 655700 6172540 156200 15:30:02 8790404 13103404 2847724 17.39 187468 4167480 3101288 17.80 840752 6238368 16444 15:40:02 9892160 15372096 573036 3.50 207568 5247812 1112508 6.39 926964 4988496 328 Average: 9264695 13795488 2155449 13.16 182317 4383433 2569024 14.75 807805 5799801 57657 15:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 383.77 383.77 365.07 365.07 0.00 0.00 0.00 0.00 15:20:01 ens3 112.47 93.78 1091.59 17.38 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 lo 1893.51 1893.51 1805.46 1805.46 0.00 0.00 0.00 0.00 15:30:02 ens3 34.11 27.46 145.98 9.30 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:02 lo 11.98 11.98 1.23 1.23 0.00 0.00 0.00 0.00 15:40:02 ens3 69.18 66.93 123.33 211.17 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 766.74 766.74 727.38 727.38 0.00 0.00 0.00 0.00 Average: ens3 71.60 62.47 448.75 79.68 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42098) 08/28/26 _x86_64_ (4 CPU) 15:09:25 LINUX RESTART (4 CPU) 15:10:14 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 44.89 0.00 1.79 0.23 0.02 53.07 15:20:01 0 44.17 0.00 1.71 0.09 0.02 54.02 15:20:01 1 44.54 0.00 1.75 0.08 0.01 53.62 15:20:01 2 45.15 0.00 1.71 0.11 0.02 53.01 15:20:01 3 45.69 0.00 2.00 0.64 0.02 51.65 15:30:02 all 60.76 0.00 2.89 0.10 0.03 36.23 15:30:02 0 58.39 0.00 3.12 0.15 0.02 38.31 15:30:02 1 62.33 0.00 2.85 0.11 0.03 34.68 15:30:02 2 61.38 0.00 2.81 0.06 0.03 35.72 15:30:02 3 60.92 0.00 2.78 0.06 0.02 36.22 15:40:02 all 41.47 0.00 1.53 0.07 0.02 56.91 15:40:02 0 41.50 0.00 1.90 0.10 0.02 56.47 15:40:02 1 42.47 0.00 1.55 0.05 0.02 55.92 15:40:02 2 44.13 0.00 1.56 0.05 0.02 54.24 15:40:02 3 37.77 0.00 1.13 0.09 0.02 61.00 Average: all 49.07 0.00 2.07 0.13 0.02 48.71 Average: 0 48.05 0.00 2.25 0.11 0.02 49.57 Average: 1 49.82 0.00 2.05 0.08 0.02 48.03 Average: 2 50.26 0.00 2.03 0.08 0.02 47.62 Average: 3 48.15 0.00 1.97 0.26 0.02 49.61