---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1556 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: 5600.00 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 997 11506 4 19587 30625 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:08:5e:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.221/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fe08:5ef5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:bc:59:12:63:4d 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::48bc:59ff:fe12:634d/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-1556) 10/14/26 _x86_64_ (8 CPU) 08:04:00 LINUX RESTART (8 CPU) 08:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:12 261.52 0.71 248.82 11.99 30.36 50617.78 89530.71 08:30:07 10.78 0.04 10.43 0.31 1.44 401.77 953.48 Average: 136.61 0.38 130.06 6.17 15.95 25602.06 45404.87 08:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:12 2054984 22087408 10064028 30.62 586072 18551352 16654492 49.11 5013620 22118924 2640 08:30:07 805200 20909464 11240284 34.20 586608 18616864 17561488 51.79 5053928 23295688 1560 Average: 1430092 21498436 10652156 32.41 586340 18584108 17107990 50.45 5033774 22707306 2100 08:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:12 lo 2.17 2.17 0.64 0.64 0.00 0.00 0.00 0.00 08:20:12 ens3 306.91 178.97 3108.26 58.12 0.00 0.00 0.00 0.00 08:20:12 docker0 24.30 46.36 1.81 730.28 0.00 0.00 0.00 0.00 08:20:12 br-43f3f451b7a6 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 08:20:12 veth5f69ae9 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:20:12 vethc65a4bc 0.32 0.35 0.03 0.13 0.00 0.00 0.00 0.00 08:20:12 veth178bf7d 7.93 8.24 4.98 1.57 0.00 0.00 0.00 0.00 08:20:12 veth90c5a14 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:20:12 vethb9a2321 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:20:12 veth9ab24a1 3.07 2.66 0.56 1.39 0.00 0.00 0.00 0.00 08:20:12 veth3b986bd 0.13 0.20 0.26 0.05 0.00 0.00 0.00 0.00 08:20:12 vethcb23561 1.03 0.86 0.14 0.98 0.00 0.00 0.00 0.00 08:30:07 lo 6.08 6.08 28.39 28.39 0.00 0.00 0.00 0.00 08:30:07 ens3 8.39 6.87 4.39 6.17 0.00 0.00 0.00 0.00 08:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 br-43f3f451b7a6 3.37 3.15 27.70 0.77 0.00 0.00 0.00 0.00 08:30:07 veth5f69ae9 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 08:30:07 vethc65a4bc 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 08:30:07 veth178bf7d 217.85 226.97 165.76 126.18 0.00 0.00 0.00 0.01 08:30:07 veth90c5a14 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 vethb9a2321 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 veth9ab24a1 124.09 114.79 103.60 69.32 0.00 0.00 0.00 0.01 08:30:07 vethcb23561 110.41 109.86 66.06 100.15 0.00 0.00 0.00 0.01 Average: lo 4.11 4.11 14.47 14.47 0.00 0.00 0.00 0.00 Average: ens3 158.20 93.23 1562.03 32.24 0.00 0.00 0.00 0.00 Average: docker0 12.19 23.26 0.91 366.48 0.00 0.00 0.00 0.00 Average: br-43f3f451b7a6 1.82 1.70 13.81 0.39 0.00 0.00 0.00 0.00 Average: veth5f69ae9 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethc65a4bc 0.36 0.28 0.05 0.24 0.00 0.00 0.00 0.00 Average: veth178bf7d 112.51 117.20 85.07 63.65 0.00 0.00 0.00 0.01 Average: veth90c5a14 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb9a2321 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9ab24a1 63.36 58.52 51.89 35.23 0.00 0.00 0.00 0.00 Average: vethcb23561 55.52 55.16 32.98 50.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1556) 10/14/26 _x86_64_ (8 CPU) 08:04:00 LINUX RESTART (8 CPU) 08:10:12 CPU %user %nice %system %iowait %steal %idle 08:20:12 all 24.07 0.02 3.61 1.31 0.01 70.98 08:20:12 0 24.55 0.02 4.01 1.24 0.02 70.16 08:20:12 1 25.79 0.03 3.68 1.41 0.01 69.08 08:20:12 2 21.00 0.02 3.64 1.81 0.02 73.51 08:20:12 3 23.14 0.02 3.79 0.88 0.01 72.15 08:20:12 4 24.86 0.04 3.48 1.36 0.01 70.25 08:20:12 5 23.25 0.02 3.47 1.33 0.01 71.91 08:20:12 6 23.80 0.02 3.30 1.32 0.02 71.54 08:20:12 7 26.16 0.02 3.49 1.09 0.02 69.22 08:30:07 all 7.67 0.00 1.49 0.06 0.03 90.75 08:30:07 0 7.25 0.00 2.08 0.02 0.03 90.62 08:30:07 1 7.91 0.00 1.69 0.01 0.03 90.36 08:30:07 2 7.76 0.00 1.50 0.09 0.03 90.63 08:30:07 3 8.31 0.00 1.36 0.01 0.03 90.29 08:30:07 4 6.73 0.00 1.29 0.04 0.03 91.92 08:30:07 5 7.89 0.00 1.31 0.03 0.02 90.76 08:30:07 6 8.00 0.00 1.29 0.30 0.03 90.39 08:30:07 7 7.53 0.00 1.39 0.02 0.02 91.03 Average: all 15.91 0.01 2.56 0.69 0.02 80.81 Average: 0 15.93 0.01 3.05 0.63 0.02 80.35 Average: 1 16.90 0.01 2.69 0.71 0.02 79.66 Average: 2 14.41 0.01 2.57 0.95 0.02 82.04 Average: 3 15.76 0.01 2.58 0.45 0.02 81.17 Average: 4 15.85 0.02 2.40 0.70 0.02 81.01 Average: 5 15.61 0.01 2.39 0.68 0.02 81.28 Average: 6 15.94 0.01 2.30 0.81 0.02 80.92 Average: 7 16.90 0.01 2.45 0.56 0.02 80.06