---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7000 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 671 9265 4 6052 14974 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:b5:b9:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84502sec preferred_lft 84502sec inet6 fe80::f816:3eff:feb5:b903/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:1f:9c:ff:ee:99 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-7000) 09/11/26 _x86_64_ (4 CPU) 01:08:20 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 30.81 3.39 23.95 3.47 180.84 5151.04 36642.71 01:30:04 20.32 0.16 17.27 2.89 5.21 1617.43 24955.58 Average: 25.57 1.78 20.61 3.18 93.14 3386.56 30806.83 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 9457648 13040412 2917528 17.82 129772 3568260 3249348 18.65 678824 5845684 10024 01:30:04 9096564 13059084 2895468 17.68 149376 3900924 3343764 19.19 806676 6048908 33492 Average: 9277106 13049748 2906498 17.75 139574 3734592 3296556 18.92 742750 5947296 21758 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 22.68 22.68 4.89 4.89 0.00 0.00 0.00 0.00 01:20:03 ens3 99.87 78.34 720.52 13.76 0.00 0.00 0.00 0.00 01:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:04 lo 1176.86 1176.86 1092.39 1092.39 0.00 0.00 0.00 0.00 01:30:04 ens3 42.90 30.24 275.37 6.79 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 599.01 599.01 547.92 547.92 0.00 0.00 0.00 0.00 Average: ens3 71.42 54.32 498.24 10.28 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-7000) 09/11/26 _x86_64_ (4 CPU) 01:08:20 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 38.84 0.00 1.81 0.17 0.02 59.16 01:20:03 0 38.83 0.00 1.62 0.16 0.02 59.36 01:20:03 1 39.25 0.00 1.67 0.22 0.02 58.83 01:20:03 2 40.42 0.00 1.93 0.11 0.03 57.51 01:20:03 3 36.84 0.00 2.03 0.16 0.02 60.95 01:30:04 all 25.87 0.00 1.57 0.07 0.02 72.48 01:30:04 0 25.85 0.00 1.77 0.09 0.02 72.27 01:30:04 1 25.40 0.00 1.49 0.03 0.02 73.05 01:30:04 2 26.36 0.00 1.57 0.04 0.02 72.01 01:30:04 3 25.88 0.00 1.43 0.10 0.02 72.57 Average: all 32.36 0.00 1.69 0.12 0.02 65.81 Average: 0 32.35 0.00 1.70 0.13 0.02 65.80 Average: 1 32.34 0.00 1.58 0.13 0.02 65.93 Average: 2 33.40 0.00 1.75 0.07 0.02 64.75 Average: 3 31.36 0.00 1.73 0.13 0.02 66.75