---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6823 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): 8 On-line CPU(s) list: 0-7 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): 8 Stepping: 0 BogoMIPS: 5600.00 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 24G 132G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 833 20429 4 10829 30786 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:93:5e:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.42/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84944sec preferred_lft 84944sec inet6 fe80::f816:3eff:fe93:5eff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:46:74:ca:02:96 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 inet6 fe80::9046:74ff:feca:296/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-6823) 10/31/26 _x86_64_ (8 CPU) 14:28:04 LINUX RESTART (8 CPU) 14:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 597.82 1.27 577.98 18.57 74.13 66415.95 66541.07 14:50:25 77.59 1.76 45.68 30.14 54.95 7662.76 460016.78 Average: 330.98 1.53 304.94 24.51 64.29 36279.45 268368.08 14:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 274472 17805476 14355872 43.68 570684 16153364 20770812 61.25 4430328 24577824 1008 14:50:25 4423400 15597872 16478352 50.14 553708 10007072 23098252 68.11 3839968 21092552 39644 Average: 2348936 16701674 15417112 46.91 562196 13080218 21934532 64.68 4135148 22835188 20326 14:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 0.71 0.71 0.06 0.06 0.00 0.00 0.00 0.00 14:40:01 ens3 469.46 270.03 4436.84 79.15 0.00 0.00 0.00 0.00 14:40:01 docker0 43.16 72.00 2.44 885.34 0.00 0.00 0.00 0.00 14:40:01 br-316b650829d8 0.28 0.26 0.01 0.02 0.00 0.00 0.00 0.00 14:40:01 veth357ed42 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:40:01 vethd4c3a76 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:40:01 veth3104acd 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 14:40:01 veth74075d0 0.08 0.17 0.01 0.03 0.00 0.00 0.00 0.00 14:40:01 veth323d106 7.53 7.19 4.54 1.60 0.00 0.00 0.00 0.00 14:40:01 vetha469c8b 0.88 0.86 0.14 0.93 0.00 0.00 0.00 0.00 14:40:01 vethcb1d27d 0.03 0.06 0.01 0.01 0.00 0.00 0.00 0.00 14:40:01 vethae922d7 0.26 0.31 0.03 0.49 0.00 0.00 0.00 0.00 14:50:25 lo 69.17 69.17 311.32 311.32 0.00 0.00 0.00 0.00 14:50:25 ens3 16.45 13.86 46.50 3.53 0.00 0.00 0.00 0.00 14:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:25 br-316b650829d8 62.99 75.53 84.19 275.66 0.00 0.00 0.00 0.00 14:50:25 veth357ed42 0.16 0.15 0.02 0.05 0.00 0.00 0.00 0.00 14:50:25 vethd4c3a76 36.56 34.66 285.13 70.63 0.00 0.00 0.00 0.02 14:50:25 veth3104acd 83.43 96.61 85.02 557.00 0.00 0.00 0.00 0.05 14:50:25 veth74075d0 20.49 22.15 70.38 65.68 0.00 0.00 0.00 0.01 14:50:25 veth323d106 142.05 148.23 97.94 77.47 0.00 0.00 0.00 0.01 14:50:25 vetha469c8b 106.39 99.14 126.28 62.85 0.00 0.00 0.00 0.01 14:50:25 vethae922d7 54.04 54.03 30.61 40.61 0.00 0.00 0.00 0.00 Average: lo 35.82 35.82 159.72 159.72 0.00 0.00 0.00 0.00 Average: ens3 237.10 138.63 2184.89 40.37 0.00 0.00 0.00 0.00 Average: docker0 21.02 35.07 1.19 431.22 0.00 0.00 0.00 0.00 Average: br-316b650829d8 32.45 38.87 43.19 141.41 0.00 0.00 0.00 0.00 Average: veth357ed42 0.10 0.14 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethd4c3a76 18.77 17.84 146.25 36.23 0.00 0.00 0.00 0.01 Average: veth3104acd 42.81 49.61 43.61 285.71 0.00 0.00 0.00 0.02 Average: veth74075d0 10.55 11.44 36.10 33.70 0.00 0.00 0.00 0.00 Average: veth323d106 76.53 79.54 52.45 40.52 0.00 0.00 0.00 0.00 Average: vetha469c8b 55.00 51.27 64.84 32.69 0.00 0.00 0.00 0.01 Average: vethae922d7 27.84 27.87 15.72 21.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-6823) 10/31/26 _x86_64_ (8 CPU) 14:28:04 LINUX RESTART (8 CPU) 14:30:10 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 29.84 0.02 5.96 1.52 0.02 62.63 14:40:01 0 25.13 0.01 6.10 1.36 0.02 67.38 14:40:01 1 30.75 0.04 6.65 1.89 0.02 60.64 14:40:01 2 34.32 0.02 5.50 1.63 0.03 58.51 14:40:01 3 29.81 0.05 6.23 1.54 0.02 62.35 14:40:01 4 30.69 0.02 6.08 1.59 0.02 61.60 14:40:01 5 30.21 0.02 5.90 1.43 0.02 62.43 14:40:01 6 28.09 0.02 5.21 1.55 0.02 65.11 14:40:01 7 29.74 0.01 6.04 1.18 0.02 63.01 14:50:25 all 23.21 0.01 4.82 0.22 0.02 71.73 14:50:25 0 23.22 0.02 5.63 0.32 0.02 70.79 14:50:25 1 22.19 0.02 5.26 0.32 0.02 72.19 14:50:25 2 23.63 0.01 4.85 0.13 0.02 71.37 14:50:25 3 24.28 0.00 4.84 0.20 0.01 70.66 14:50:25 4 23.47 0.01 4.65 0.20 0.01 71.66 14:50:25 5 23.41 0.00 4.46 0.16 0.02 71.95 14:50:25 6 22.90 0.01 4.35 0.20 0.02 72.53 14:50:25 7 22.57 0.01 4.47 0.23 0.02 72.70 Average: all 26.44 0.02 5.37 0.85 0.02 67.30 Average: 0 24.15 0.02 5.86 0.82 0.02 69.14 Average: 1 26.35 0.03 5.94 1.08 0.02 66.57 Average: 2 28.83 0.01 5.17 0.86 0.02 65.11 Average: 3 26.98 0.02 5.51 0.86 0.01 66.61 Average: 4 26.99 0.01 5.35 0.88 0.02 66.76 Average: 5 26.73 0.01 5.16 0.78 0.02 67.31 Average: 6 25.43 0.02 4.77 0.86 0.02 68.91 Average: 7 26.07 0.01 5.24 0.69 0.02 67.97