---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3805 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): 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 861 12689 4 18541 30754 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:aa:a8:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.212/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84329sec preferred_lft 84329sec inet6 fe80::f816:3eff:feaa:a84c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:78:e2:9c:48:33 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::3478:e2ff:fe9c:4833/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3805) 09/21/26 _x86_64_ (8 CPU) 09:01:46 LINUX RESTART (8 CPU) 09:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:12 181.94 0.36 173.59 7.99 18.90 39697.30 31906.97 09:30:01 12.50 0.18 11.95 0.37 6.89 425.47 3313.21 Average: 98.41 0.27 93.90 4.23 12.98 20336.61 17810.48 09:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:12 427448 20434716 11717592 35.66 582752 18539968 18032672 53.18 4770476 23998172 272 09:30:01 267684 19421136 12730884 38.74 565368 17714420 19052084 56.18 4718728 24192024 1384 Average: 347566 19927926 12224238 37.20 574060 18127194 18542378 54.68 4744602 24095098 828 09:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:12 lo 0.55 0.55 0.04 0.04 0.00 0.00 0.00 0.00 09:20:12 ens3 191.52 105.38 2109.00 33.07 0.00 0.00 0.00 0.00 09:20:12 docker0 22.95 48.92 1.28 595.34 0.00 0.00 0.00 0.00 09:20:12 br-4dd189bf64c1 0.32 0.27 0.01 0.02 0.00 0.00 0.00 0.00 09:20:12 veth0cefbe9 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:20:12 veth24d56ee 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:20:12 veth72e8d81 0.40 0.40 0.04 0.18 0.00 0.00 0.00 0.00 09:20:12 vethb6d895d 25.01 25.34 7.52 6.09 0.00 0.00 0.00 0.00 09:20:12 veth7e08f50 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:20:12 veth1625653 20.03 19.74 6.16 3.84 0.00 0.00 0.00 0.00 09:20:12 veth9607611 0.19 0.27 0.31 1.10 0.00 0.00 0.00 0.00 09:20:12 vetha99a37a 1.49 1.20 0.20 1.23 0.00 0.00 0.00 0.00 09:30:01 lo 6.54 6.54 30.53 30.53 0.00 0.00 0.00 0.00 09:30:01 ens3 9.77 7.36 3.30 4.18 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 br-4dd189bf64c1 3.60 3.38 29.79 0.81 0.00 0.00 0.00 0.00 09:30:01 veth0cefbe9 0.23 0.21 0.02 0.09 0.00 0.00 0.00 0.00 09:30:01 veth24d56ee 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 veth72e8d81 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 09:30:01 vethb6d895d 274.20 295.77 214.56 142.51 0.00 0.00 0.00 0.02 09:30:01 veth7e08f50 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 veth1625653 122.07 112.45 104.07 70.29 0.00 0.00 0.00 0.01 09:30:01 vetha99a37a 181.51 168.85 83.25 148.17 0.00 0.00 0.00 0.01 Average: lo 3.50 3.50 15.07 15.07 0.00 0.00 0.00 0.00 Average: ens3 101.92 57.06 1070.91 18.83 0.00 0.00 0.00 0.00 Average: docker0 11.64 24.80 0.65 301.84 0.00 0.00 0.00 0.00 Average: br-4dd189bf64c1 1.94 1.80 14.69 0.41 0.00 0.00 0.00 0.00 Average: veth0cefbe9 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth24d56ee 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth72e8d81 0.40 0.30 0.05 0.26 0.00 0.00 0.00 0.00 Average: vethb6d895d 147.86 158.66 109.59 73.34 0.00 0.00 0.00 0.01 Average: veth7e08f50 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1625653 70.33 65.45 54.43 36.60 0.00 0.00 0.00 0.00 Average: vetha99a37a 90.24 83.85 41.14 73.67 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3805) 09/21/26 _x86_64_ (8 CPU) 09:01:46 LINUX RESTART (8 CPU) 09:10:06 CPU %user %nice %system %iowait %steal %idle 09:20:12 all 13.88 0.03 2.91 2.14 0.03 81.00 09:20:12 0 13.29 0.01 3.24 1.54 0.03 81.89 09:20:12 1 14.39 0.02 3.25 4.20 0.03 78.10 09:20:12 2 13.96 0.04 3.21 2.01 0.03 80.74 09:20:12 3 14.51 0.03 2.82 1.84 0.03 80.77 09:20:12 4 16.13 0.02 2.83 2.53 0.03 78.46 09:20:12 5 13.62 0.03 2.70 2.12 0.03 81.49 09:20:12 6 12.26 0.03 2.77 1.22 0.03 83.69 09:20:12 7 12.89 0.03 2.49 1.65 0.03 82.90 09:30:01 all 7.85 0.00 1.60 0.04 0.02 90.50 09:30:01 0 7.97 0.00 2.24 0.02 0.02 89.75 09:30:01 1 8.32 0.00 1.71 0.02 0.02 89.93 09:30:01 2 6.67 0.00 1.56 0.05 0.02 91.71 09:30:01 3 9.34 0.00 1.52 0.02 0.02 89.10 09:30:01 4 8.22 0.00 1.53 0.03 0.02 90.21 09:30:01 5 8.02 0.00 1.57 0.09 0.02 90.30 09:30:01 6 7.05 0.00 1.30 0.03 0.02 91.61 09:30:01 7 7.19 0.00 1.36 0.06 0.01 91.38 Average: all 10.91 0.01 2.27 1.11 0.02 85.67 Average: 0 10.67 0.01 2.75 0.79 0.02 85.76 Average: 1 11.40 0.01 2.49 2.15 0.03 83.92 Average: 2 10.37 0.02 2.40 1.04 0.03 86.14 Average: 3 11.97 0.02 2.18 0.95 0.03 84.86 Average: 4 12.24 0.01 2.19 1.30 0.02 84.24 Average: 5 10.87 0.02 2.14 1.12 0.02 85.83 Average: 6 9.70 0.01 2.05 0.63 0.02 87.58 Average: 7 10.09 0.02 1.93 0.87 0.02 87.07