---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2935 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 703 9506 4 5779 14942 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:1f:58:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83762sec preferred_lft 83762sec inet6 fe80::f816:3eff:fe1f:5869/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:bb:88:4a:48:57 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2935) 09/07/26 _x86_64_ (4 CPU) 14:07:25 LINUX RESTART (4 CPU) 14:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:30 18.19 2.42 14.82 0.95 141.81 4196.88 2717.23 14:30:01 29.04 0.04 25.79 3.21 1.37 2313.80 8026.88 14:40:26 17.55 0.05 15.09 2.41 0.60 5221.73 8588.63 14:50:23 8.82 0.18 7.90 0.75 13.04 1584.40 383.09 Average: 18.27 0.69 15.77 1.81 40.10 3370.17 4917.43 14:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:30 9163644 13071096 2885396 17.62 150204 3842488 3149136 18.08 704072 6084412 188472 14:30:01 9328912 13372700 2581216 15.77 167528 3947212 3112920 17.87 768840 5826416 19036 14:40:26 6128804 11485456 4461464 27.25 195120 5154648 4638032 26.62 920120 8788628 215336 14:50:23 9846812 15404396 541760 3.31 203272 5329316 1102492 6.33 935024 5040816 8408 Average: 8617043 13333412 2617459 15.99 179031 4568416 3000645 17.22 832014 6435068 107813 14:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:30 lo 578.15 578.15 550.59 550.59 0.00 0.00 0.00 0.00 14:20:30 ens3 97.73 78.14 673.08 18.49 0.00 0.00 0.00 0.00 14:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1624.79 1624.79 1549.03 1549.03 0.00 0.00 0.00 0.00 14:30:01 ens3 30.23 26.21 161.40 5.66 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:26 lo 318.02 318.02 301.96 301.96 0.00 0.00 0.00 0.00 14:40:26 ens3 29.82 27.82 101.30 8.67 0.00 0.00 0.00 0.00 14:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:23 lo 10.96 10.96 1.13 1.13 0.00 0.00 0.00 0.00 14:50:23 ens3 49.78 51.47 23.04 221.38 0.00 0.00 0.00 0.00 14:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 617.95 617.95 586.36 586.36 0.00 0.00 0.00 0.00 Average: ens3 52.29 46.21 242.88 63.14 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2935) 09/07/26 _x86_64_ (4 CPU) 14:07:25 LINUX RESTART (4 CPU) 14:10:11 CPU %user %nice %system %iowait %steal %idle 14:20:30 all 49.68 0.00 2.01 0.99 0.05 47.28 14:20:30 0 48.41 0.00 1.84 1.04 0.04 48.66 14:20:30 1 48.72 0.00 2.46 0.87 0.04 47.91 14:20:30 2 51.31 0.00 1.65 0.54 0.05 46.45 14:20:30 3 50.27 0.00 2.08 1.52 0.05 46.09 14:30:01 all 54.08 0.00 2.68 0.10 0.06 43.07 14:30:01 0 53.58 0.00 2.63 0.12 0.05 43.62 14:30:01 1 53.98 0.00 2.70 0.11 0.05 43.17 14:30:01 2 52.82 0.00 2.62 0.12 0.06 44.38 14:30:01 3 55.96 0.00 2.78 0.07 0.05 41.14 14:40:26 all 55.26 0.00 2.21 0.08 0.05 42.40 14:40:26 0 54.98 0.00 2.51 0.03 0.05 42.44 14:40:26 1 55.86 0.00 2.25 0.07 0.04 41.77 14:40:26 2 50.63 0.00 1.74 0.13 0.05 47.45 14:40:26 3 59.56 0.00 2.36 0.08 0.05 37.95 14:50:23 all 6.48 0.00 0.36 0.05 0.02 93.09 14:50:23 0 7.08 0.00 0.42 0.04 0.02 92.44 14:50:23 1 4.94 0.00 0.51 0.04 0.02 94.49 14:50:23 2 7.06 0.00 0.29 0.11 0.01 92.54 14:50:23 3 6.85 0.00 0.23 0.01 0.02 92.89 Average: all 41.46 0.00 1.81 0.31 0.04 56.37 Average: 0 41.08 0.00 1.85 0.31 0.04 56.72 Average: 1 40.99 0.00 1.98 0.28 0.04 56.72 Average: 2 40.53 0.00 1.57 0.23 0.04 57.63 Average: 3 43.25 0.00 1.86 0.43 0.04 54.42