---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1539 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 832 11671 4 19588 30791 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:98:4a:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.226/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fe98:4a1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:5e:9f:d1:8c:1d 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::d45e:9fff:fed1:8c1d/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-1539) 10/14/26 _x86_64_ (8 CPU) 07:24:21 LINUX RESTART (8 CPU) 07:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:07 266.56 0.68 253.09 12.79 31.82 50165.87 71161.35 07:50:00 7.88 0.03 7.44 0.40 1.21 362.58 2120.03 Average: 138.64 0.36 131.61 6.67 16.68 25537.18 37019.08 07:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:07 2103776 22138708 10011760 30.47 586172 18553820 16514736 48.70 4880444 22217700 1288 07:50:00 860796 20967352 11182192 34.03 586716 18620496 17613924 51.94 4919908 23391540 1752 Average: 1482286 21553030 10596976 32.25 586444 18587158 17064330 50.32 4900176 22804620 1520 07:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:07 lo 2.11 2.11 0.63 0.63 0.00 0.00 0.00 0.00 07:40:07 ens3 306.49 168.81 3036.55 62.12 0.00 0.00 0.00 0.00 07:40:07 docker0 25.57 47.47 1.87 721.38 0.00 0.00 0.00 0.00 07:40:07 br-b6dfd12edc53 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 07:40:07 vethc6c0bb4 18.51 18.42 6.13 5.02 0.00 0.00 0.00 0.00 07:40:07 veth46d9bdc 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:07 vethdd7dfb8 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 07:40:07 vethd9d2b69 0.32 0.34 0.03 0.14 0.00 0.00 0.00 0.00 07:40:07 veth380afd2 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:07 veth684b5fb 13.28 13.32 5.04 2.60 0.00 0.00 0.00 0.00 07:40:07 vetha1bf0cf 0.17 0.25 0.29 1.06 0.00 0.00 0.00 0.00 07:40:07 veth02a09e2 1.08 0.91 0.15 1.02 0.00 0.00 0.00 0.00 07:50:00 lo 6.51 6.51 30.32 30.32 0.00 0.00 0.00 0.00 07:50:00 ens3 10.78 8.49 3.99 4.71 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 br-b6dfd12edc53 3.56 3.35 29.57 0.80 0.00 0.00 0.00 0.00 07:50:00 vethc6c0bb4 216.31 226.53 172.97 127.74 0.00 0.00 0.00 0.01 07:50:00 veth46d9bdc 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 07:50:00 vethdd7dfb8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 vethd9d2b69 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 07:50:00 veth380afd2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 veth684b5fb 117.35 107.46 102.65 70.31 0.00 0.00 0.00 0.01 07:50:00 veth02a09e2 116.86 115.83 69.55 106.45 0.00 0.00 0.00 0.01 Average: lo 4.29 4.29 15.31 15.31 0.00 0.00 0.00 0.00 Average: ens3 160.26 89.53 1536.89 33.73 0.00 0.00 0.00 0.00 Average: docker0 12.93 24.00 0.95 364.64 0.00 0.00 0.00 0.00 Average: br-b6dfd12edc53 1.91 1.78 14.63 0.41 0.00 0.00 0.00 0.00 Average: vethc6c0bb4 116.33 121.33 88.64 65.71 0.00 0.00 0.00 0.01 Average: veth46d9bdc 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethdd7dfb8 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd9d2b69 0.36 0.27 0.05 0.24 0.00 0.00 0.00 0.00 Average: veth380afd2 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth684b5fb 64.74 59.87 53.31 36.09 0.00 0.00 0.00 0.00 Average: veth02a09e2 58.34 57.74 34.47 53.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1539) 10/14/26 _x86_64_ (8 CPU) 07:24:21 LINUX RESTART (8 CPU) 07:30:00 CPU %user %nice %system %iowait %steal %idle 07:40:07 all 23.62 0.02 3.73 1.04 0.01 71.57 07:40:07 0 23.45 0.02 3.76 0.95 0.01 71.80 07:40:07 1 25.08 0.02 3.94 0.90 0.01 70.04 07:40:07 2 24.60 0.02 3.47 1.19 0.01 70.71 07:40:07 3 24.49 0.02 3.85 0.99 0.01 70.64 07:40:07 4 22.30 0.01 3.53 1.04 0.01 73.11 07:40:07 5 25.01 0.03 4.07 0.97 0.01 69.91 07:40:07 6 23.38 0.02 3.43 0.95 0.01 72.21 07:40:07 7 20.67 0.03 3.80 1.35 0.01 74.14 07:50:00 all 7.01 0.00 1.32 0.03 0.01 91.64 07:50:00 0 6.36 0.00 1.86 0.06 0.01 91.70 07:50:00 1 7.41 0.00 1.48 0.02 0.01 91.08 07:50:00 2 6.92 0.00 1.34 0.02 0.01 91.72 07:50:00 3 6.21 0.00 1.14 0.03 0.01 92.61 07:50:00 4 7.27 0.00 1.18 0.02 0.01 91.52 07:50:00 5 7.71 0.00 1.25 0.03 0.01 91.01 07:50:00 6 6.86 0.00 1.16 0.03 0.01 91.94 07:50:00 7 7.30 0.00 1.18 0.01 0.01 91.50 Average: all 15.42 0.01 2.54 0.54 0.01 81.47 Average: 0 15.02 0.01 2.83 0.52 0.01 81.62 Average: 1 16.36 0.01 2.73 0.47 0.01 80.43 Average: 2 15.87 0.01 2.42 0.61 0.01 81.08 Average: 3 15.47 0.01 2.51 0.51 0.01 81.48 Average: 4 14.88 0.01 2.37 0.54 0.01 82.20 Average: 5 16.47 0.02 2.68 0.50 0.01 80.33 Average: 6 15.22 0.01 2.31 0.50 0.01 81.95 Average: 7 14.07 0.02 2.51 0.69 0.01 82.71