---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3216 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 17G 61G 22% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 653 6411 4 8924 14992 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:35:26:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.7/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85010sec preferred_lft 85010sec inet6 fe80::f816:3eff:fe35:2649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:98:c2:2e:e2:94 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-3216) 09/19/26 _x86_64_ (4 CPU) 05:19:25 LINUX RESTART (4 CPU) 05:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 87.61 5.31 66.19 16.11 523.99 17274.24 373345.91 05:40:02 231.55 1.73 221.50 8.32 29.02 14751.54 100134.96 Average: 159.68 3.52 143.96 12.21 276.15 16011.06 236542.36 05:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7747640 13329424 2618996 16.00 191344 5413960 2937576 16.86 1174660 6940924 184796 05:40:02 6679684 15422156 501896 3.07 329440 8179528 1048264 6.02 2170160 6712204 440244 Average: 7213662 14375790 1560446 9.53 260392 6796744 1992920 11.44 1672410 6826564 312520 05:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.84 0.84 0.25 0.25 0.00 0.00 0.00 0.00 05:30:01 ens3 199.96 154.74 2172.08 31.86 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:02 lo 0.24 0.24 0.03 0.03 0.00 0.00 0.00 0.00 05:40:02 ens3 72.74 60.28 339.95 17.00 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 136.26 107.44 1254.69 24.42 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-3216) 09/19/26 _x86_64_ (4 CPU) 05:19:25 LINUX RESTART (4 CPU) 05:20:02 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 30.30 0.00 5.23 0.69 0.03 63.75 05:30:01 0 32.81 0.00 5.19 0.66 0.03 61.32 05:30:01 1 29.07 0.00 5.02 0.51 0.03 65.37 05:30:01 2 30.36 0.00 5.60 0.87 0.03 63.15 05:30:01 3 28.97 0.00 5.11 0.72 0.03 65.17 05:40:02 all 41.10 0.00 3.94 0.31 0.03 54.62 05:40:02 0 38.82 0.00 4.08 0.34 0.03 56.73 05:40:02 1 43.85 0.00 3.60 0.18 0.03 52.33 05:40:02 2 40.40 0.00 3.67 0.47 0.03 55.43 05:40:02 3 41.32 0.00 4.40 0.26 0.03 53.99 Average: all 35.70 0.00 4.58 0.50 0.03 59.18 Average: 0 35.81 0.00 4.63 0.50 0.03 59.03 Average: 1 36.47 0.00 4.31 0.35 0.03 58.84 Average: 2 35.38 0.00 4.63 0.67 0.03 59.29 Average: 3 35.14 0.00 4.76 0.49 0.03 59.58