---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-16741 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 987 12707 4 18397 30636 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:75:e0:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.112/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84405sec preferred_lft 84405sec inet6 fe80::f816:3eff:fe75:e0ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:cb:4f:cf:0d:59 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::f0cb:4fff:fecf:d59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-16741) 08/31/26 _x86_64_ (8 CPU) 07:16:44 LINUX RESTART (8 CPU) 07:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 527.01 0.88 511.63 14.49 35.21 57891.60 84565.55 07:40:38 26.62 0.33 25.19 1.09 7.76 2042.54 1956.38 Average: 269.57 0.60 261.38 7.60 21.09 29159.04 42065.76 07:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 3882292 23002252 9158548 27.87 578416 17692424 13754048 40.56 4577200 20815960 1872 07:40:38 257224 19350644 12802116 38.96 570972 17653508 19184612 56.57 4777964 24151956 1000 Average: 2069758 21176448 10980332 33.41 574694 17672966 16469330 48.57 4677582 22483958 1436 07:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.63 0.63 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 424.14 275.27 3549.35 106.46 0.00 0.00 0.00 0.00 07:30:01 docker0 29.07 52.87 1.85 765.95 0.00 0.00 0.00 0.00 07:30:01 br-335797ed5fac 0.19 0.19 0.01 0.01 0.00 0.00 0.00 0.00 07:30:01 veth5790baf 4.26 4.12 1.74 0.86 0.00 0.00 0.00 0.00 07:30:01 veth7b5d87a 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 07:30:01 vethc5dba0a 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 07:30:01 veth624d87f 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 vetha07dba5 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 07:30:01 veth663de73 4.01 4.22 0.86 1.74 0.00 0.00 0.00 0.00 07:40:38 lo 3.24 3.24 9.41 9.41 0.00 0.00 0.00 0.00 07:40:38 ens3 6.63 4.66 2.90 2.80 0.00 0.00 0.00 0.00 07:40:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:38 br-335797ed5fac 1.80 1.69 8.97 0.50 0.00 0.00 0.00 0.00 07:40:38 veth5790baf 170.76 183.02 119.29 85.96 0.00 0.00 0.00 0.01 07:40:38 veth7b5d87a 0.52 0.36 0.07 0.35 0.00 0.00 0.00 0.00 07:40:38 vethc5dba0a 0.21 0.22 0.02 0.08 0.00 0.00 0.00 0.00 07:40:38 veth624d87f 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 07:40:38 vetha07dba5 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 07:40:38 veth8256ce3 100.86 94.21 69.31 49.55 0.00 0.00 0.00 0.01 07:40:38 vethd291672 86.96 80.63 39.66 71.57 0.00 0.00 0.00 0.01 Average: lo 1.98 1.98 4.86 4.86 0.00 0.00 0.00 0.00 Average: ens3 209.35 136.05 1724.81 53.13 0.00 0.00 0.00 0.00 Average: docker0 14.11 25.67 0.90 371.89 0.00 0.00 0.00 0.00 Average: br-335797ed5fac 1.02 0.96 4.62 0.26 0.00 0.00 0.00 0.00 Average: veth5790baf 89.92 96.16 62.22 44.64 0.00 0.00 0.00 0.01 Average: veth7b5d87a 0.29 0.23 0.04 0.18 0.00 0.00 0.00 0.00 Average: vethc5dba0a 0.12 0.15 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth624d87f 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetha07dba5 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8256ce3 51.89 48.47 35.66 25.49 0.00 0.00 0.00 0.00 Average: vethd291672 44.74 41.48 20.40 36.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-16741) 08/31/26 _x86_64_ (8 CPU) 07:16:44 LINUX RESTART (8 CPU) 07:20:00 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 37.34 0.02 5.43 1.40 0.04 55.77 07:30:01 0 35.61 0.03 6.08 1.58 0.04 56.68 07:30:01 1 41.35 0.01 5.88 1.69 0.04 51.04 07:30:01 2 37.21 0.04 5.15 1.86 0.04 55.70 07:30:01 3 37.57 0.01 5.96 1.32 0.04 55.10 07:30:01 4 34.94 0.03 5.16 1.32 0.05 58.50 07:30:01 5 37.95 0.01 4.91 0.88 0.04 56.21 07:30:01 6 36.60 0.01 5.14 1.24 0.04 56.98 07:30:01 7 37.50 0.02 5.16 1.29 0.05 55.99 07:40:38 all 9.67 0.01 1.55 0.11 0.05 88.61 07:40:38 0 10.30 0.00 2.01 0.07 0.05 87.57 07:40:38 1 9.33 0.00 1.68 0.08 0.05 88.85 07:40:38 2 10.00 0.01 1.61 0.04 0.05 88.28 07:40:38 3 8.84 0.01 1.55 0.11 0.06 89.43 07:40:38 4 9.99 0.01 1.35 0.06 0.05 88.54 07:40:38 5 10.26 0.03 1.48 0.08 0.06 88.10 07:40:38 6 8.96 0.00 1.27 0.06 0.05 89.66 07:40:38 7 9.65 0.00 1.45 0.38 0.05 88.47 Average: all 23.09 0.01 3.43 0.73 0.05 72.68 Average: 0 22.57 0.01 3.98 0.80 0.05 72.59 Average: 1 24.87 0.00 3.72 0.86 0.05 70.50 Average: 2 23.21 0.02 3.33 0.92 0.05 72.47 Average: 3 22.77 0.01 3.69 0.70 0.05 72.79 Average: 4 22.10 0.02 3.20 0.67 0.05 73.97 Average: 5 23.70 0.02 3.14 0.47 0.05 72.63 Average: 6 22.37 0.00 3.15 0.63 0.04 73.81 Average: 7 23.18 0.01 3.25 0.82 0.05 72.69