---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-4570 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 62G 21% / 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 651 6454 4 8882 14994 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:6f:a7:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.238/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84955sec preferred_lft 84955sec inet6 fe80::f816:3eff:fe6f:a776/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:d0:a4:e8:d1:b6 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-4570) 09/24/26 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:00 39.21 2.44 35.42 1.35 151.49 13781.41 823.57 05:40:00 235.53 1.11 225.69 8.73 32.89 14912.92 86909.91 Average: 137.37 1.77 130.56 5.04 92.19 14347.17 43866.74 05:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:00 7647340 13580320 2367292 14.46 198716 5729992 2654444 15.24 1136392 7037676 100296 05:40:00 6600160 15340464 584024 3.57 325504 8188328 1159696 6.66 2077528 6903152 8 Average: 7123750 14460392 1475658 9.01 262110 6959160 1907070 10.95 1606960 6970414 50152 05:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:00 lo 0.64 0.64 0.17 0.17 0.00 0.00 0.00 0.00 05:30:00 ens3 178.34 138.85 1600.88 30.30 0.00 0.00 0.00 0.00 05:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:00 lo 9.88 9.88 0.93 0.93 0.00 0.00 0.00 0.00 05:40:00 ens3 88.56 84.05 326.73 108.64 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.26 5.26 0.55 0.55 0.00 0.00 0.00 0.00 Average: ens3 133.45 111.45 963.81 69.47 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-4570) 09/24/26 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:20:00 CPU %user %nice %system %iowait %steal %idle 05:30:00 all 34.83 0.00 3.03 0.54 0.02 61.59 05:30:00 0 36.89 0.00 3.18 0.65 0.02 59.26 05:30:00 1 35.55 0.00 2.86 0.40 0.02 61.17 05:30:00 2 31.95 0.00 2.74 0.61 0.01 64.69 05:30:00 3 34.91 0.00 3.32 0.52 0.02 61.23 05:40:00 all 38.50 0.00 3.90 0.52 0.02 57.06 05:40:00 0 35.22 0.00 3.97 0.28 0.02 60.51 05:40:00 1 39.00 0.00 3.74 0.66 0.02 56.59 05:40:00 2 37.93 0.00 4.12 0.64 0.02 57.29 05:40:00 3 41.84 0.00 3.79 0.50 0.02 53.84 Average: all 36.66 0.00 3.46 0.53 0.02 59.33 Average: 0 36.05 0.00 3.58 0.46 0.02 59.89 Average: 1 37.28 0.00 3.30 0.53 0.02 58.88 Average: 2 34.94 0.00 3.43 0.62 0.02 61.00 Average: 3 38.37 0.00 3.55 0.51 0.02 57.54