---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3138 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 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 1010 11886 4 19194 30613 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:6a:6b:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.40/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84877sec preferred_lft 84877sec inet6 fe80::f816:3eff:fe6a:6b15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:3d:c9:02:31:37 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::503d:c9ff:fe02:3137/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3138) 10/19/26 _x86_64_ (8 CPU) 08:26:03 LINUX RESTART (8 CPU) 08:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 487.61 1.11 473.43 13.07 44.84 57177.14 109740.77 08:50:01 29.96 0.22 28.30 1.44 2.69 2248.73 8081.64 Average: 257.73 0.66 249.84 7.23 23.67 29586.35 58676.92 08:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 5045428 24243436 7914928 24.08 586064 17751856 12567436 37.06 4853892 19342524 620 08:50:01 3061900 22598440 9553144 29.07 592488 18065500 14768764 43.55 4996896 21119244 240 Average: 4053664 23420938 8734036 26.58 589276 17908678 13668100 40.31 4925394 20230884 430 08:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 2.38 2.38 0.66 0.66 0.00 0.00 0.00 0.00 08:40:00 ens3 411.23 238.92 3589.28 87.44 0.00 0.00 0.00 0.00 08:40:00 docker0 26.44 52.53 1.97 776.31 0.00 0.00 0.00 0.00 08:40:00 br-e558a2b7299f 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 08:40:00 vethcbdf84c 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 08:40:00 vethe1551c8 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:40:00 veth9534fe0 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 08:40:00 veth2ec77e7 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 08:40:00 veth1835508 4.36 4.12 1.76 0.87 0.00 0.00 0.00 0.00 08:40:00 veth45ccfe1 4.02 4.32 0.86 1.76 0.00 0.00 0.00 0.00 08:50:01 lo 10.55 10.55 56.92 56.92 0.00 0.00 0.00 0.00 08:50:01 ens3 14.86 11.92 5.70 5.55 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 br-e558a2b7299f 6.22 5.51 55.84 1.21 0.00 0.00 0.00 0.00 08:50:01 vethcbdf84c 0.25 0.30 0.03 0.10 0.00 0.00 0.00 0.00 08:50:01 vethe1551c8 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:50:01 veth9534fe0 0.40 0.28 0.07 0.34 0.00 0.00 0.00 0.00 08:50:01 veth2ec77e7 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:50:01 veth1835508 281.95 283.35 200.97 170.55 0.00 0.00 0.00 0.02 08:50:01 vethc0c24a4 158.85 148.57 146.66 93.03 0.00 0.00 0.00 0.01 Average: lo 6.48 6.48 28.92 28.92 0.00 0.00 0.00 0.00 Average: ens3 212.13 124.90 1789.23 46.31 0.00 0.00 0.00 0.00 Average: docker0 13.16 26.14 0.98 386.37 0.00 0.00 0.00 0.00 Average: br-e558a2b7299f 3.22 2.86 28.05 0.62 0.00 0.00 0.00 0.00 Average: vethcbdf84c 0.14 0.19 0.02 0.05 0.00 0.00 0.00 0.00 Average: vethe1551c8 0.01 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth9534fe0 0.22 0.19 0.04 0.18 0.00 0.00 0.00 0.00 Average: veth2ec77e7 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth1835508 143.80 144.38 101.83 86.10 0.00 0.00 0.00 0.01 Average: vethc0c24a4 79.79 74.63 73.67 46.73 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3138) 10/19/26 _x86_64_ (8 CPU) 08:26:03 LINUX RESTART (8 CPU) 08:30:06 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 40.15 0.02 5.43 1.66 0.02 52.73 08:40:00 0 37.55 0.01 5.89 1.89 0.02 54.63 08:40:00 1 38.03 0.01 5.75 1.30 0.02 54.89 08:40:00 2 41.96 0.01 5.28 1.35 0.03 51.37 08:40:00 3 44.07 0.02 5.17 1.37 0.03 49.34 08:40:00 4 42.16 0.02 5.41 2.24 0.02 50.16 08:40:00 5 39.96 0.02 5.28 1.62 0.03 53.09 08:40:00 6 38.73 0.03 5.08 2.08 0.02 54.05 08:40:00 7 38.72 0.01 5.57 1.40 0.02 54.28 08:50:01 all 11.46 0.01 1.98 0.09 0.01 86.46 08:50:01 0 11.39 0.01 2.57 0.15 0.01 85.87 08:50:01 1 12.52 0.00 2.20 0.05 0.01 85.21 08:50:01 2 11.11 0.00 1.91 0.03 0.01 86.95 08:50:01 3 10.49 0.02 1.97 0.05 0.01 87.46 08:50:01 4 11.29 0.01 1.76 0.05 0.01 86.88 08:50:01 5 11.92 0.01 1.88 0.11 0.01 86.07 08:50:01 6 11.19 0.01 1.86 0.19 0.01 86.75 08:50:01 7 11.74 0.00 1.65 0.08 0.01 86.51 Average: all 25.74 0.01 3.69 0.87 0.02 69.66 Average: 0 24.42 0.01 4.23 1.02 0.02 70.31 Average: 1 25.21 0.01 3.97 0.67 0.02 70.12 Average: 2 26.44 0.01 3.58 0.68 0.02 69.27 Average: 3 27.24 0.02 3.56 0.71 0.02 68.45 Average: 4 26.66 0.01 3.57 1.14 0.02 68.60 Average: 5 25.89 0.01 3.58 0.87 0.02 69.64 Average: 6 24.91 0.02 3.47 1.13 0.02 70.46 Average: 7 25.18 0.01 3.60 0.74 0.02 70.46