---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3087 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 26G 130G 17% / 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 982 16954 4 14155 30641 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:42:c4:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.33/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84407sec preferred_lft 84407sec inet6 fe80::f816:3eff:fe42:c4d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:f6:9e:95:ba:c2 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::d4f6:9eff:fe95:bac2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3087) 10/19/26 _x86_64_ (8 CPU) 07:04:30 LINUX RESTART (8 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:10 395.06 1.27 380.90 12.90 51.75 53696.43 96194.89 07:30:07 69.68 0.49 42.20 26.99 15.27 7022.90 485257.02 Average: 234.24 0.89 213.49 19.86 33.72 30627.62 288492.37 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:10 845012 21031076 11117716 33.83 595128 18679912 17569264 51.81 5083316 23244196 288 07:30:07 482944 15434344 15665388 47.67 576384 14567144 26581804 78.39 4671164 23959476 20004 Average: 663978 18232710 13391552 40.75 585756 16623528 22075534 65.10 4877240 23601836 10146 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:10 lo 2.33 2.33 0.65 0.65 0.00 0.00 0.00 0.00 07:20:10 ens3 447.63 254.17 3470.04 107.22 0.00 0.00 0.00 0.00 07:20:10 docker0 26.36 50.71 1.95 755.53 0.00 0.00 0.00 0.00 07:20:10 br-a03cbd9541e0 0.27 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:20:10 veth41b88e9 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:20:10 veth3a5dc10 7.80 7.51 4.54 1.49 0.00 0.00 0.00 0.00 07:20:10 veth0f9934d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:20:10 vethaf50510 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 07:20:10 veth320b2cc 0.10 0.17 0.01 0.04 0.00 0.00 0.00 0.00 07:20:10 veth95864dd 2.21 1.99 0.39 1.05 0.00 0.00 0.00 0.00 07:20:10 vetha5dc627 0.09 0.17 0.03 0.05 0.00 0.00 0.00 0.00 07:20:10 veth3590c67 0.40 0.41 0.05 0.57 0.00 0.00 0.00 0.00 07:30:07 lo 59.44 59.44 265.78 265.78 0.00 0.00 0.00 0.00 07:30:07 ens3 12.43 10.13 27.12 2.47 0.00 0.00 0.00 0.00 07:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:07 br-a03cbd9541e0 47.56 57.61 69.12 224.89 0.00 0.00 0.00 0.00 07:30:07 veth41b88e9 29.60 28.65 252.56 65.12 0.00 0.00 0.00 0.02 07:30:07 veth3a5dc10 145.93 151.60 94.53 78.30 0.00 0.00 0.00 0.01 07:30:07 veth0f9934d 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 07:30:07 vethaf50510 63.64 74.17 69.41 474.29 0.00 0.00 0.00 0.04 07:30:07 veth320b2cc 17.57 18.31 64.91 48.26 0.00 0.00 0.00 0.01 07:30:07 veth95864dd 113.15 106.28 111.87 62.16 0.00 0.00 0.00 0.01 07:30:07 veth3590c67 48.91 49.20 29.31 37.33 0.00 0.00 0.00 0.00 Average: lo 30.56 30.56 131.69 131.69 0.00 0.00 0.00 0.00 Average: ens3 232.53 133.55 1768.34 55.45 0.00 0.00 0.00 0.00 Average: docker0 13.33 25.65 0.99 382.10 0.00 0.00 0.00 0.00 Average: br-a03cbd9541e0 23.64 28.60 34.17 111.16 0.00 0.00 0.00 0.00 Average: veth41b88e9 14.65 14.22 124.83 32.19 0.00 0.00 0.00 0.01 Average: veth3a5dc10 76.07 78.73 49.02 39.45 0.00 0.00 0.00 0.00 Average: veth0f9934d 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethaf50510 31.47 36.72 34.30 234.43 0.00 0.00 0.00 0.02 Average: veth320b2cc 8.73 9.14 32.09 23.87 0.00 0.00 0.00 0.00 Average: veth95864dd 57.05 53.53 55.49 31.26 0.00 0.00 0.00 0.00 Average: veth3590c67 24.38 24.52 14.51 18.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3087) 10/19/26 _x86_64_ (8 CPU) 07:04:30 LINUX RESTART (8 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:10 all 34.02 0.03 4.52 3.22 0.02 58.19 07:20:10 0 34.23 0.02 4.98 4.36 0.01 56.40 07:20:10 1 34.38 0.02 4.57 3.20 0.02 57.82 07:20:10 2 31.84 0.04 4.55 3.42 0.02 60.13 07:20:10 3 34.90 0.01 4.67 2.12 0.02 58.28 07:20:10 4 32.92 0.02 4.36 3.56 0.02 59.12 07:20:10 5 35.80 0.03 4.19 3.06 0.02 56.91 07:20:10 6 35.23 0.04 4.42 2.56 0.02 57.74 07:20:10 7 32.89 0.03 4.44 3.49 0.01 59.13 07:30:07 all 22.92 0.01 4.53 0.28 0.01 72.25 07:30:07 0 22.99 0.00 5.35 0.16 0.01 71.49 07:30:07 1 22.34 0.01 4.82 0.23 0.01 72.60 07:30:07 2 22.52 0.00 4.78 0.33 0.01 72.35 07:30:07 3 22.59 0.00 4.40 0.29 0.01 72.70 07:30:07 4 22.70 0.01 4.20 0.26 0.01 72.81 07:30:07 5 23.65 0.03 4.35 0.31 0.02 71.64 07:30:07 6 22.96 0.00 4.19 0.33 0.01 72.50 07:30:07 7 23.59 0.00 4.14 0.32 0.02 71.93 Average: all 28.54 0.02 4.53 1.77 0.02 65.13 Average: 0 28.67 0.01 5.16 2.28 0.01 63.87 Average: 1 28.42 0.01 4.69 1.73 0.01 65.14 Average: 2 27.24 0.02 4.67 1.90 0.02 66.16 Average: 3 28.83 0.01 4.54 1.22 0.02 65.40 Average: 4 27.87 0.02 4.28 1.93 0.02 65.88 Average: 5 29.81 0.03 4.27 1.70 0.02 64.17 Average: 6 29.18 0.02 4.31 1.46 0.02 65.01 Average: 7 28.31 0.02 4.29 1.93 0.02 65.43