---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3746 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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: 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: 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 25G 131G 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 878 19425 4 11788 30745 Swap: 1023 1 1022 ---> 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:5e:49:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.55/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84860sec preferred_lft 84860sec inet6 fe80::f816:3eff:fe5e:4931/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:91:49:ae:af:88 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::e891:49ff:feae:af88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3746) 10/20/26 _x86_64_ (8 CPU) 15:35:43 LINUX RESTART (8 CPU) 15:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:06 433.18 0.75 397.32 35.11 36.49 52090.81 514879.38 16:00:04 60.18 1.23 52.02 6.94 30.87 8924.79 40496.96 Average: 247.06 0.99 225.03 21.05 33.69 30552.32 278177.39 15:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:06 312520 18131116 14026732 42.68 561760 16433988 20282628 59.81 4378168 24547696 1088 16:00:04 4818600 16928288 15223416 46.32 554708 10831304 20837300 61.45 3853128 20638508 15412 Average: 2565560 17529702 14625074 44.50 558234 13632646 20559964 60.63 4115648 22593102 8250 15:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:06 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 15:50:06 ens3 348.28 214.92 3164.62 80.26 0.00 0.00 0.00 0.00 15:50:06 docker0 29.39 56.50 1.68 768.43 0.00 0.00 0.00 0.00 15:50:06 br-0ed467dbef3a 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 15:50:06 veth67a7d88 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 veth6b1f1e7 49.21 51.19 23.06 30.20 0.00 0.00 0.00 0.00 15:50:06 vethddbe4e4 0.14 0.19 0.02 0.08 0.00 0.00 0.00 0.00 15:50:06 vetha3eba7e 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 vethbe86f08 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 vethee25bae 47.34 44.44 41.42 20.29 0.00 0.00 0.00 0.00 15:50:06 veth6b609f0 0.85 1.61 0.92 12.34 0.00 0.00 0.00 0.00 15:50:06 vethe687da8 0.69 0.61 0.10 0.77 0.00 0.00 0.00 0.00 16:00:04 lo 77.89 77.89 354.92 354.92 0.00 0.00 0.00 0.00 16:00:04 ens3 14.02 12.01 46.23 2.99 0.00 0.00 0.00 0.00 16:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:04 br-0ed467dbef3a 70.38 80.08 88.44 315.47 0.00 0.00 0.00 0.00 16:00:04 veth67a7d88 0.23 0.22 0.03 0.07 0.00 0.00 0.00 0.00 16:00:04 veth6b1f1e7 122.58 128.05 85.05 55.43 0.00 0.00 0.00 0.01 16:00:04 vethddbe4e4 22.73 24.31 84.17 69.53 0.00 0.00 0.00 0.01 16:00:04 vetha3eba7e 91.24 101.53 89.99 656.53 0.00 0.00 0.00 0.05 16:00:04 vethbe86f08 39.04 37.38 345.25 84.42 0.00 0.00 0.00 0.03 16:00:04 vethee25bae 76.24 70.48 91.80 48.59 0.00 0.00 0.00 0.01 16:00:04 vethe687da8 63.10 62.88 34.38 41.41 0.00 0.00 0.00 0.00 Average: lo 39.17 39.17 177.12 177.12 0.00 0.00 0.00 0.00 Average: ens3 181.49 113.67 1608.64 41.70 0.00 0.00 0.00 0.00 Average: docker0 14.72 28.31 0.84 385.01 0.00 0.00 0.00 0.00 Average: br-0ed467dbef3a 35.26 40.09 44.13 157.42 0.00 0.00 0.00 0.00 Average: veth67a7d88 0.13 0.17 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth6b1f1e7 85.82 89.54 53.99 42.79 0.00 0.00 0.00 0.00 Average: vethddbe4e4 11.42 12.23 42.00 34.74 0.00 0.00 0.00 0.00 Average: vetha3eba7e 45.54 50.71 44.90 327.59 0.00 0.00 0.00 0.03 Average: vethbe86f08 19.50 18.71 172.27 42.13 0.00 0.00 0.00 0.01 Average: vethee25bae 61.76 57.44 66.56 34.41 0.00 0.00 0.00 0.01 Average: vethe687da8 31.83 31.68 17.20 21.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3746) 10/20/26 _x86_64_ (8 CPU) 15:35:43 LINUX RESTART (8 CPU) 15:40:06 CPU %user %nice %system %iowait %steal %idle 15:50:06 all 25.89 0.03 4.91 2.22 0.02 66.93 15:50:06 0 22.21 0.02 4.95 1.95 0.02 70.84 15:50:06 1 24.58 0.01 5.13 2.93 0.02 67.34 15:50:06 2 27.53 0.05 4.98 2.14 0.02 65.28 15:50:06 3 24.50 0.03 5.41 1.72 0.02 68.32 15:50:06 4 24.49 0.04 5.14 2.68 0.02 67.63 15:50:06 5 25.00 0.05 4.76 1.92 0.02 68.26 15:50:06 6 27.65 0.02 4.68 2.04 0.02 65.59 15:50:06 7 31.16 0.02 4.25 2.42 0.02 62.12 16:00:04 all 23.69 0.01 5.15 1.75 0.03 69.37 16:00:04 0 23.08 0.01 6.60 1.03 0.03 69.24 16:00:04 1 23.75 0.01 5.60 1.85 0.03 68.76 16:00:04 2 23.52 0.01 5.24 1.08 0.03 70.12 16:00:04 3 23.40 0.01 5.06 2.12 0.03 69.38 16:00:04 4 25.12 0.01 4.84 2.47 0.03 67.53 16:00:04 5 23.35 0.01 4.56 0.73 0.03 71.32 16:00:04 6 23.78 0.02 4.67 2.17 0.03 69.34 16:00:04 7 23.54 0.00 4.62 2.57 0.03 69.24 Average: all 24.79 0.02 5.03 1.99 0.03 68.15 Average: 0 22.65 0.02 5.78 1.49 0.03 70.04 Average: 1 24.16 0.01 5.37 2.39 0.02 68.05 Average: 2 25.52 0.03 5.11 1.61 0.03 67.70 Average: 3 23.95 0.02 5.24 1.92 0.02 68.85 Average: 4 24.80 0.03 4.99 2.58 0.02 67.58 Average: 5 24.17 0.03 4.66 1.32 0.03 69.79 Average: 6 25.72 0.02 4.67 2.10 0.03 67.46 Average: 7 27.36 0.01 4.44 2.50 0.03 65.67