---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63322 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 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 679 10746 4 4563 14966 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:8e:df:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82068sec preferred_lft 82068sec inet6 fe80::f816:3eff:fe8e:dfdb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:85:d6:b1:93:6a 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-63322) 10/10/26 _x86_64_ (4 CPU) 09:57:06 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:52 4.45 0.23 3.87 0.35 27.07 726.77 15769.57 10:20:52 1.36 0.01 1.35 0.00 0.17 15.29 0.00 10:30:01 1.46 0.00 1.46 0.00 0.00 16.16 0.00 10:40:52 1.44 0.00 1.44 0.00 0.00 15.85 0.00 10:50:06 38.21 4.61 32.87 0.73 274.06 4473.62 554.34 11:00:01 17.47 0.06 3.72 13.68 7.10 563.81 240234.22 Average: 10.28 0.76 7.08 2.44 48.27 920.87 42653.07 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:52 13522024 15525352 488084 2.98 60068 2168024 1188860 6.82 208772 2384692 8 10:20:52 13520276 15524256 489192 2.99 60516 2168200 1188860 6.82 209232 2384416 8 10:30:01 13520128 15524652 488752 2.99 61036 2168208 1188860 6.82 209752 2385556 200 10:40:52 13513288 15518612 495008 3.02 61672 2168348 1189504 6.83 210404 2398356 8 10:50:06 10427324 13646008 2316452 14.15 114096 3271920 2722864 15.63 466596 5144992 15508 11:00:01 8593532 11959996 4001008 24.44 119524 3401696 4307856 24.73 513152 6914964 324 Average: 12182762 14616479 1379749 8.43 79485 2557733 1964467 11.28 302985 3602163 2676 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:52 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:10:52 ens3 13.05 5.88 298.81 0.45 0.00 0.00 0.00 0.00 10:10:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:52 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:52 ens3 0.24 0.08 0.03 0.02 0.00 0.00 0.00 0.00 10:20:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.26 0.10 0.06 0.02 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:52 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 10:40:52 ens3 6.17 4.44 3.95 3.36 0.00 0.00 0.00 0.00 10:40:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 10:50:06 ens3 126.70 95.01 1022.64 18.31 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 11:00:01 ens3 11.81 9.73 46.77 2.68 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.24 0.24 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 25.00 18.12 219.86 3.95 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-63322) 10/10/26 _x86_64_ (4 CPU) 09:57:06 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:52 all 0.33 0.00 0.12 0.15 0.00 99.39 10:10:52 0 0.48 0.00 0.14 0.14 0.00 99.24 10:10:52 1 0.33 0.00 0.13 0.35 0.00 99.20 10:10:52 2 0.29 0.00 0.09 0.09 0.00 99.53 10:10:52 3 0.24 0.00 0.12 0.03 0.00 99.60 10:20:52 all 0.23 0.00 0.02 0.02 0.00 99.73 10:20:52 0 0.05 0.00 0.04 0.01 0.00 99.89 10:20:52 1 0.06 0.00 0.02 0.04 0.00 99.87 10:20:52 2 0.78 0.00 0.01 0.01 0.00 99.20 10:20:52 3 0.01 0.00 0.01 0.00 0.00 99.98 10:30:01 all 0.02 0.00 0.02 0.02 0.00 99.94 10:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 10:30:01 1 0.02 0.00 0.02 0.05 0.00 99.91 10:30:01 2 0.01 0.00 0.02 0.02 0.00 99.95 10:30:01 3 0.01 0.00 0.01 0.02 0.00 99.95 10:40:52 all 0.17 0.00 0.03 0.01 0.00 99.78 10:40:52 0 0.11 0.00 0.03 0.01 0.00 99.85 10:40:52 1 0.42 0.00 0.03 0.05 0.00 99.50 10:40:52 2 0.08 0.00 0.05 0.00 0.00 99.87 10:40:52 3 0.09 0.00 0.01 0.00 0.00 99.90 10:50:06 all 25.22 0.00 0.94 0.39 0.02 73.42 10:50:06 0 26.54 0.00 1.03 0.22 0.03 72.18 10:50:06 1 28.26 0.00 1.12 0.75 0.03 69.84 10:50:06 2 22.26 0.00 0.69 0.37 0.01 76.66 10:50:06 3 23.84 0.00 0.92 0.23 0.02 74.99 11:00:01 all 45.95 0.00 0.84 0.06 0.04 53.11 11:00:01 0 42.60 0.00 0.84 0.07 0.05 56.44 11:00:01 1 49.49 0.00 0.84 0.11 0.04 49.52 11:00:01 2 49.85 0.00 0.94 0.03 0.04 49.15 11:00:01 3 41.88 0.00 0.72 0.04 0.04 57.32 Average: all 11.62 0.00 0.32 0.11 0.01 87.95 Average: 0 11.25 0.00 0.34 0.07 0.01 88.33 Average: 1 12.70 0.00 0.35 0.22 0.01 86.72 Average: 2 11.85 0.00 0.29 0.08 0.01 87.77 Average: 3 10.67 0.00 0.29 0.05 0.01 88.98