---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58672 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 11G 67G 14% / 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 700 10399 4 4889 14945 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:d7:b2:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84836sec preferred_lft 84836sec inet6 fe80::f816:3eff:fed7:b2aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:7a:60:6b:37:2b 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-4c-4g-58672) 09/25/26 _x86_64_ (4 CPU) 15:26:22 LINUX RESTART (4 CPU) 15:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:25 10.17 0.44 8.79 0.94 16.29 2222.89 191.08 15:50:09 27.08 0.65 22.60 3.83 26.14 4041.12 13271.87 Average: 18.36 0.54 15.48 2.34 21.06 3103.88 6529.12 15:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:25 9890224 13523152 2433240 14.86 143224 3587200 2984048 17.13 628432 5420068 28236 15:50:09 10718524 15364324 585320 3.57 176600 4500896 1153792 6.62 898860 4249416 12 Average: 10304374 14443738 1509280 9.22 159912 4044048 2068920 11.88 763646 4834742 14124 15:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:25 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:40:25 ens3 55.32 43.69 89.05 16.04 0.00 0.00 0.00 0.00 15:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 1857.90 1857.90 1762.41 1762.41 0.00 0.00 0.00 0.00 15:50:09 ens3 104.36 89.29 445.81 107.47 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 900.93 900.93 854.01 854.01 0.00 0.00 0.00 0.00 Average: ens3 79.09 65.78 261.91 60.34 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-4c-4g-58672) 09/25/26 _x86_64_ (4 CPU) 15:26:22 LINUX RESTART (4 CPU) 15:30:04 CPU %user %nice %system %iowait %steal %idle 15:40:25 all 72.13 0.00 2.61 0.02 0.03 25.21 15:40:25 0 72.28 0.00 2.55 0.02 0.03 25.12 15:40:25 1 70.19 0.00 2.39 0.02 0.03 27.37 15:40:25 2 73.85 0.00 2.82 0.03 0.03 23.27 15:40:25 3 72.20 0.00 2.67 0.03 0.03 25.08 15:50:09 all 51.25 0.00 2.57 0.08 0.02 46.08 15:50:09 0 47.20 0.00 2.28 0.03 0.02 50.47 15:50:09 1 53.36 0.00 2.96 0.10 0.02 43.56 15:50:09 2 50.52 0.00 2.44 0.07 0.02 46.95 15:50:09 3 53.95 0.00 2.59 0.10 0.02 43.34 Average: all 62.01 0.00 2.59 0.05 0.03 35.32 Average: 0 60.13 0.00 2.42 0.03 0.03 37.40 Average: 1 62.04 0.00 2.66 0.06 0.02 35.22 Average: 2 62.53 0.00 2.64 0.05 0.03 34.75 Average: 3 63.37 0.00 2.63 0.06 0.02 33.92