---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2806 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: 5600.02 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 870 15994 4 15227 30753 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:a7:41:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.195/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84106sec preferred_lft 84106sec inet6 fe80::f816:3eff:fea7:4163/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:fc:8c:e6:f7:0d 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::1cfc:8cff:fee6:f70d/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-2806) 10/18/26 _x86_64_ (8 CPU) 12:00:14 LINUX RESTART (8 CPU) 12:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:15 119.91 0.24 114.25 5.43 4.77 25983.86 20104.00 12:30:12 54.42 0.41 49.78 4.23 11.87 8041.80 23103.13 Average: 87.48 0.32 82.33 4.83 8.29 17100.47 21588.92 12:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:15 2086696 22173252 9976672 30.36 593544 18595496 16386664 48.32 5065352 22037664 732 12:30:12 992592 17003084 14205496 43.23 576476 15502796 24445440 72.09 5019932 23074616 15304 Average: 1539644 19588168 12091084 36.79 585010 17049146 20416052 60.20 5042642 22556140 8018 12:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:15 lo 0.38 0.38 0.03 0.03 0.00 0.00 0.00 0.00 12:20:15 ens3 93.79 52.11 1502.84 10.28 0.00 0.00 0.00 0.00 12:20:15 docker0 11.67 18.38 0.74 171.21 0.00 0.00 0.00 0.00 12:20:15 br-ac03864f108b 0.32 0.26 0.01 0.02 0.00 0.00 0.00 0.00 12:20:15 veth4dc9ff2 34.53 35.50 12.50 13.42 0.00 0.00 0.00 0.00 12:20:15 vethaf7e0a5 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:20:15 veth899ae85 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:20:15 vethbdf3495 0.57 0.50 0.06 0.26 0.00 0.00 0.00 0.00 12:20:15 vethfa9c7ee 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:20:15 vethb561b07 30.55 29.67 16.94 8.71 0.00 0.00 0.00 0.00 12:20:15 vetha9b8cfd 0.42 0.70 0.58 4.47 0.00 0.00 0.00 0.00 12:20:15 veth0e66ff8 2.14 1.69 0.29 1.70 0.00 0.00 0.00 0.00 12:30:12 lo 59.49 59.49 265.31 265.31 0.00 0.00 0.00 0.00 12:30:12 ens3 12.48 10.84 43.94 2.38 0.00 0.00 0.00 0.00 12:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:12 br-ac03864f108b 51.60 59.79 66.40 244.80 0.00 0.00 0.00 0.00 12:30:12 veth4dc9ff2 118.13 124.37 88.60 66.19 0.00 0.00 0.00 0.01 12:30:12 vethaf7e0a5 30.44 29.31 264.18 69.53 0.00 0.00 0.00 0.02 12:30:12 veth899ae85 68.36 77.37 66.75 505.79 0.00 0.00 0.00 0.04 12:30:12 vethbdf3495 17.14 17.73 69.23 43.09 0.00 0.00 0.00 0.01 12:30:12 vethfa9c7ee 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 12:30:12 vethb561b07 85.19 78.27 90.18 55.51 0.00 0.00 0.00 0.01 12:30:12 veth0e66ff8 48.65 48.61 29.24 37.48 0.00 0.00 0.00 0.00 Average: lo 29.65 29.65 131.37 131.37 0.00 0.00 0.00 0.00 Average: ens3 53.53 31.68 780.51 6.37 0.00 0.00 0.00 0.00 Average: docker0 5.89 9.28 0.37 86.44 0.00 0.00 0.00 0.00 Average: br-ac03864f108b 25.71 29.73 32.88 121.21 0.00 0.00 0.00 0.00 Average: veth4dc9ff2 75.92 79.50 50.18 39.55 0.00 0.00 0.00 0.00 Average: vethaf7e0a5 15.09 14.58 130.80 34.43 0.00 0.00 0.00 0.01 Average: veth899ae85 33.86 38.36 33.05 250.43 0.00 0.00 0.00 0.02 Average: vethbdf3495 8.77 9.03 34.31 21.47 0.00 0.00 0.00 0.00 Average: vethfa9c7ee 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethb561b07 57.60 53.73 53.20 31.88 0.00 0.00 0.00 0.00 Average: veth0e66ff8 25.17 24.92 14.62 19.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2806) 10/18/26 _x86_64_ (8 CPU) 12:00:14 LINUX RESTART (8 CPU) 12:10:07 CPU %user %nice %system %iowait %steal %idle 12:20:15 all 9.09 0.02 2.04 0.56 0.01 88.29 12:20:15 0 8.51 0.01 2.29 1.04 0.01 88.15 12:20:15 1 8.07 0.03 2.21 0.43 0.01 89.26 12:20:15 2 8.76 0.02 1.97 0.62 0.01 88.63 12:20:15 3 9.38 0.02 1.99 0.56 0.01 88.05 12:20:15 4 9.50 0.03 1.98 0.39 0.01 88.10 12:20:15 5 9.62 0.02 1.98 0.50 0.01 87.87 12:20:15 6 9.68 0.02 1.89 0.53 0.01 87.87 12:20:15 7 9.19 0.03 2.01 0.40 0.01 88.36 12:30:12 all 18.90 0.01 4.05 0.19 0.01 76.84 12:30:12 0 18.69 0.00 4.83 0.35 0.01 76.12 12:30:12 1 18.73 0.01 4.50 0.19 0.01 76.55 12:30:12 2 19.02 0.01 4.05 0.13 0.01 76.77 12:30:12 3 18.23 0.02 3.92 0.16 0.01 77.66 12:30:12 4 19.33 0.00 3.96 0.21 0.01 76.48 12:30:12 5 19.61 0.00 3.75 0.13 0.01 76.50 12:30:12 6 18.53 0.01 3.84 0.11 0.01 77.49 12:30:12 7 19.08 0.01 3.51 0.22 0.02 77.16 Average: all 13.94 0.01 3.03 0.38 0.01 82.62 Average: 0 13.56 0.00 3.55 0.69 0.01 82.18 Average: 1 13.35 0.02 3.35 0.31 0.01 82.96 Average: 2 13.83 0.01 3.00 0.38 0.01 82.77 Average: 3 13.76 0.02 2.95 0.36 0.01 82.91 Average: 4 14.36 0.02 2.96 0.30 0.01 82.35 Average: 5 14.56 0.01 2.86 0.32 0.01 82.25 Average: 6 14.05 0.01 2.86 0.33 0.01 82.74 Average: 7 14.08 0.02 2.75 0.31 0.01 82.83