---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18480 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 21G 135G 14% / 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 798 17333 4 13960 30825 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:e0:35:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.121/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85123sec preferred_lft 85123sec inet6 fe80::f816:3eff:fee0:351c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:87:dd:20:a7:fd 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::3c87:ddff:fe20:a7fd/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-18480) 09/07/26 _x86_64_ (8 CPU) 09:58:03 LINUX RESTART (8 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 294.43 6.00 260.68 27.74 589.49 44856.24 575931.78 Average: 294.43 6.00 260.68 27.74 589.49 44856.24 575931.78 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 15672496 28725296 3514712 10.70 231664 12736296 11243388 33.16 2726244 13580160 568 Average: 15672496 28725296 3514712 10.70 231664 12736296 11243388 33.16 2726244 13580160 568 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.75 0.75 0.08 0.08 0.00 0.00 0.00 0.00 10:10:00 ens3 371.08 263.50 4021.91 43.90 0.00 0.00 0.00 0.00 10:10:00 docker0 4.62 6.71 0.25 103.42 0.00 0.00 0.00 0.00 10:10:00 br-c7f87789e1ae 1.69 2.22 0.12 36.06 0.00 0.00 0.00 0.00 10:10:00 veth3eb087f 0.07 0.18 0.01 0.08 0.00 0.00 0.00 0.00 10:10:00 vetha15716b 0.23 0.42 0.04 0.05 0.00 0.00 0.00 0.00 10:10:00 vethf742523 0.17 0.26 0.02 0.56 0.00 0.00 0.00 0.00 10:10:00 veth711dd59 0.93 1.34 0.15 0.15 0.00 0.00 0.00 0.00 10:10:00 veth2b2131d 1.59 2.32 0.14 36.07 0.00 0.00 0.00 0.00 10:10:00 veth94e68ed 0.29 0.30 0.16 0.03 0.00 0.00 0.00 0.00 10:10:00 veth30ef82a 0.30 0.31 0.15 0.04 0.00 0.00 0.00 0.00 10:10:00 veth4c4220a 0.23 0.31 0.15 0.04 0.00 0.00 0.00 0.00 10:10:00 vethfa0ca50 0.29 0.30 0.16 0.04 0.00 0.00 0.00 0.00 10:10:00 vethe3bdffe 0.25 0.30 0.16 0.04 0.00 0.00 0.00 0.00 10:10:00 veth6e4a2be 0.16 0.15 0.02 0.02 0.00 0.00 0.00 0.00 10:10:00 veth769093c 0.18 0.16 0.02 0.03 0.00 0.00 0.00 0.00 Average: lo 0.75 0.75 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 371.08 263.50 4021.91 43.90 0.00 0.00 0.00 0.00 Average: docker0 4.62 6.71 0.25 103.42 0.00 0.00 0.00 0.00 Average: br-c7f87789e1ae 1.69 2.22 0.12 36.06 0.00 0.00 0.00 0.00 Average: veth3eb087f 0.07 0.18 0.01 0.08 0.00 0.00 0.00 0.00 Average: vetha15716b 0.23 0.42 0.04 0.05 0.00 0.00 0.00 0.00 Average: vethf742523 0.17 0.26 0.02 0.56 0.00 0.00 0.00 0.00 Average: veth711dd59 0.93 1.34 0.15 0.15 0.00 0.00 0.00 0.00 Average: veth2b2131d 1.59 2.32 0.14 36.07 0.00 0.00 0.00 0.00 Average: veth94e68ed 0.29 0.30 0.16 0.03 0.00 0.00 0.00 0.00 Average: veth30ef82a 0.30 0.31 0.15 0.04 0.00 0.00 0.00 0.00 Average: veth4c4220a 0.23 0.31 0.15 0.04 0.00 0.00 0.00 0.00 Average: vethfa0ca50 0.29 0.30 0.16 0.04 0.00 0.00 0.00 0.00 Average: vethe3bdffe 0.25 0.30 0.16 0.04 0.00 0.00 0.00 0.00 Average: veth6e4a2be 0.16 0.15 0.02 0.02 0.00 0.00 0.00 0.00 Average: veth769093c 0.18 0.16 0.02 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-18480) 09/07/26 _x86_64_ (8 CPU) 09:58:03 LINUX RESTART (8 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 12.43 0.00 3.36 1.09 0.02 83.09 10:10:00 0 13.24 0.00 3.39 0.70 0.02 82.66 10:10:00 1 11.18 0.00 3.68 1.28 0.02 83.84 10:10:00 2 14.68 0.00 3.34 1.02 0.02 80.93 10:10:00 3 10.15 0.00 3.38 1.37 0.02 85.09 10:10:00 4 12.43 0.00 3.34 1.59 0.02 82.61 10:10:00 5 13.22 0.00 3.30 0.83 0.02 82.62 10:10:00 6 11.12 0.00 3.05 0.91 0.02 84.89 10:10:00 7 13.43 0.00 3.44 1.00 0.03 82.11 Average: all 12.43 0.00 3.36 1.09 0.02 83.09 Average: 0 13.24 0.00 3.39 0.70 0.02 82.66 Average: 1 11.18 0.00 3.68 1.28 0.02 83.84 Average: 2 14.68 0.00 3.34 1.02 0.02 80.93 Average: 3 10.15 0.00 3.38 1.37 0.02 85.09 Average: 4 12.43 0.00 3.34 1.59 0.02 82.61 Average: 5 13.22 0.00 3.30 0.83 0.02 82.62 Average: 6 11.12 0.00 3.05 0.91 0.02 84.89 Average: 7 13.43 0.00 3.44 1.00 0.03 82.11