---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8127 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 12G 66G 15% / 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 666 9276 4 6046 14979 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:47:63:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fe47:6376/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:a5:aa:cc:f7:75 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-8127) 09/14/26 _x86_64_ (4 CPU) 05:12:33 LINUX RESTART (4 CPU) 05:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:00 23.55 0.02 8.35 15.19 0.32 574.19 271418.76 05:40:04 37.92 0.30 32.44 5.17 9.67 8287.20 27621.11 Average: 30.78 0.16 20.47 10.15 5.03 4454.35 148772.29 05:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:00 9809332 13404120 2553620 15.60 130744 3578644 2843172 16.32 684144 5486504 5976 05:40:04 9589536 15414964 531516 3.25 171152 5660880 1098924 6.31 1582640 4689708 17140 Average: 9699434 14409542 1542568 9.42 150948 4619762 1971048 11.31 1133392 5088106 11558 05:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:00 lo 60.75 60.75 15.25 15.25 0.00 0.00 0.00 0.00 05:30:00 ens3 5.75 4.25 3.91 1.26 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 05:40:04 lo 2415.74 2415.74 2323.45 2323.45 0.00 0.00 0.00 0.00 05:40:04 ens3 85.97 67.59 501.49 16.15 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1245.47 1245.47 1176.43 1176.43 0.00 0.00 0.00 0.00 Average: ens3 46.10 36.11 254.22 8.75 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-8127) 09/14/26 _x86_64_ (4 CPU) 05:12:33 LINUX RESTART (4 CPU) 05:20:04 CPU %user %nice %system %iowait %steal %idle 05:30:00 all 13.16 0.00 0.93 0.09 0.01 85.81 05:30:00 0 13.28 0.00 0.95 0.07 0.02 85.68 05:30:00 1 13.15 0.00 0.95 0.06 0.02 85.83 05:30:00 2 12.64 0.00 0.92 0.13 0.02 86.30 05:30:00 3 13.57 0.00 0.92 0.09 0.01 85.42 05:40:04 all 49.51 0.00 2.84 0.20 0.02 47.42 05:40:04 0 49.39 0.00 3.31 0.36 0.02 46.92 05:40:04 1 50.76 0.00 2.40 0.26 0.02 46.56 05:40:04 2 48.11 0.00 3.15 0.12 0.02 48.60 05:40:04 3 49.77 0.00 2.52 0.08 0.02 47.61 Average: all 31.44 0.00 1.89 0.15 0.02 66.50 Average: 0 31.45 0.00 2.13 0.22 0.02 66.18 Average: 1 32.07 0.00 1.68 0.16 0.02 66.07 Average: 2 30.48 0.00 2.04 0.13 0.02 67.34 Average: 3 31.78 0.00 1.72 0.08 0.02 66.40