---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-17842 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 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 991 12843 4 18257 30632 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:14:36:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.249/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84397sec preferred_lft 84397sec inet6 fe80::f816:3eff:fe14:36e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:b4:fb:25:9a:e6 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::b4:fbff:fe25:9ae6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-17842) 09/04/26 _x86_64_ (8 CPU) 11:51:04 LINUX RESTART (8 CPU) 12:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:15 160.94 0.30 153.38 7.25 15.07 32907.82 35092.11 12:20:01 9.13 0.16 8.75 0.22 5.89 447.91 4870.31 Average: 86.86 0.23 82.80 3.82 10.59 17067.55 20344.03 12:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:15 516192 20112980 12041380 36.64 581352 18148228 18365008 54.16 4778620 23928836 712 12:20:01 241032 19145408 13008296 39.58 563432 17479884 19322516 56.98 4762192 24203740 608 Average: 378612 19629194 12524838 38.11 572392 17814056 18843762 55.57 4770406 24066288 660 12:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:15 lo 0.47 0.47 0.03 0.03 0.00 0.00 0.00 0.00 12:10:15 ens3 105.98 58.14 1684.15 14.66 0.00 0.00 0.00 0.00 12:10:15 docker0 15.13 31.66 0.91 590.06 0.00 0.00 0.00 0.00 12:10:15 br-52c97930766b 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 12:10:15 veth65ced6d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:10:15 vethcdcd94f 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:10:15 veth0a56bd8 47.66 50.61 18.77 23.92 0.00 0.00 0.00 0.00 12:10:15 veth31b5997 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:10:15 veth352cf55 0.42 0.39 0.05 0.22 0.00 0.00 0.00 0.00 12:10:15 vethb8257bd 46.17 42.98 32.71 15.44 0.00 0.00 0.00 0.00 12:10:15 vethf3d87f3 0.72 1.28 0.79 9.77 0.00 0.00 0.00 0.00 12:10:15 vethe459870 1.76 1.39 0.24 1.43 0.00 0.00 0.00 0.00 12:20:01 lo 8.51 8.51 38.75 38.75 0.00 0.00 0.00 0.00 12:20:01 ens3 10.77 6.93 4.28 4.35 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 br-52c97930766b 4.70 4.36 37.85 0.99 0.00 0.00 0.00 0.00 12:20:01 veth65ced6d 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 12:20:01 vethcdcd94f 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 veth0a56bd8 312.36 337.11 254.68 151.75 0.00 0.00 0.00 0.02 12:20:01 veth31b5997 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 veth352cf55 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 12:20:01 vethb8257bd 117.75 108.65 92.35 71.64 0.00 0.00 0.00 0.01 12:20:01 vethe459870 227.26 211.29 103.62 187.01 0.00 0.00 0.00 0.02 Average: lo 4.39 4.39 18.93 18.93 0.00 0.00 0.00 0.00 Average: ens3 59.52 33.15 864.39 9.63 0.00 0.00 0.00 0.00 Average: docker0 7.75 16.21 0.47 302.11 0.00 0.00 0.00 0.00 Average: br-52c97930766b 2.44 2.26 18.48 0.49 0.00 0.00 0.00 0.00 Average: veth65ced6d 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethcdcd94f 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0a56bd8 176.83 190.42 133.89 86.30 0.00 0.00 0.00 0.01 Average: veth31b5997 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth352cf55 0.41 0.30 0.06 0.28 0.00 0.00 0.00 0.00 Average: vethb8257bd 81.10 75.02 61.81 42.86 0.00 0.00 0.00 0.01 Average: vethe459870 111.80 103.82 50.69 91.99 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-17842) 09/04/26 _x86_64_ (8 CPU) 11:51:04 LINUX RESTART (8 CPU) 12:00:00 CPU %user %nice %system %iowait %steal %idle 12:10:15 all 12.46 0.03 3.09 0.78 0.01 83.63 12:10:15 0 12.49 0.04 3.54 1.02 0.02 82.89 12:10:15 1 12.09 0.04 3.40 0.86 0.01 83.60 12:10:15 2 11.83 0.03 3.21 1.14 0.01 83.78 12:10:15 3 12.40 0.02 3.00 0.48 0.01 84.08 12:10:15 4 11.58 0.02 3.00 0.66 0.01 84.73 12:10:15 5 13.45 0.03 3.11 0.72 0.01 82.68 12:10:15 6 14.12 0.01 2.89 0.55 0.01 82.42 12:10:15 7 11.73 0.04 2.56 0.81 0.01 84.84 12:20:01 all 7.71 0.00 1.70 0.05 0.01 90.53 12:20:01 0 7.31 0.00 2.29 0.03 0.01 90.36 12:20:01 1 8.09 0.00 1.88 0.07 0.02 89.95 12:20:01 2 7.36 0.00 1.68 0.04 0.01 90.91 12:20:01 3 6.92 0.00 1.62 0.02 0.02 91.43 12:20:01 4 8.85 0.00 1.59 0.04 0.01 89.50 12:20:01 5 8.15 0.00 1.54 0.03 0.02 90.25 12:20:01 6 6.88 0.00 1.52 0.03 0.01 91.56 12:20:01 7 8.09 0.00 1.50 0.15 0.01 90.26 Average: all 10.14 0.02 2.41 0.43 0.01 86.99 Average: 0 9.96 0.02 2.93 0.54 0.01 86.53 Average: 1 10.14 0.02 2.66 0.47 0.01 86.69 Average: 2 9.65 0.01 2.47 0.60 0.01 87.25 Average: 3 9.73 0.01 2.33 0.26 0.01 87.66 Average: 4 10.25 0.01 2.31 0.36 0.01 87.06 Average: 5 10.87 0.01 2.35 0.39 0.01 86.36 Average: 6 10.60 0.01 2.22 0.29 0.01 86.87 Average: 7 9.95 0.02 2.04 0.49 0.01 87.48