---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3208 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 68G 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 675 10595 4 4718 14970 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:e8:34:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84605sec preferred_lft 84605sec inet6 fe80::f816:3eff:fee8:3414/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:81:2c:b2:78:53 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-3208) 09/08/26 _x86_64_ (4 CPU) 16:45:22 LINUX RESTART (4 CPU) 16:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:23 12.12 1.93 9.50 0.69 128.15 3294.98 90.50 17:10:23 23.69 0.80 19.66 3.22 24.19 3895.88 3037.25 Average: 17.85 1.37 14.54 1.94 76.60 3592.96 1551.73 16:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:23 9897772 13338840 2620024 16.00 134508 3426108 2964876 17.02 574620 5508316 33416 17:10:23 10971756 15430772 521916 3.19 168192 4339576 1063528 6.10 874556 4042104 52 Average: 10434764 14384806 1570970 9.59 151350 3882842 2014202 11.56 724588 4775210 16734 16:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:23 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 17:00:23 ens3 75.78 65.68 455.19 13.05 0.00 0.00 0.00 0.00 17:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:23 lo 1677.04 1677.04 1599.37 1599.37 0.00 0.00 0.00 0.00 17:10:23 ens3 62.37 53.54 450.29 29.49 0.00 0.00 0.00 0.00 17:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 832.24 832.24 793.16 793.16 0.00 0.00 0.00 0.00 Average: ens3 69.13 59.66 452.76 21.20 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-3208) 09/08/26 _x86_64_ (4 CPU) 16:45:22 LINUX RESTART (4 CPU) 16:50:13 CPU %user %nice %system %iowait %steal %idle 17:00:23 all 63.13 0.00 2.11 0.07 0.03 34.66 17:00:23 0 60.90 0.00 1.99 0.05 0.03 37.04 17:00:23 1 66.62 0.00 2.34 0.08 0.03 30.93 17:00:23 2 60.70 0.00 1.98 0.10 0.03 37.19 17:00:23 3 64.30 0.00 2.15 0.05 0.04 33.46 17:10:23 all 59.41 0.00 2.65 0.08 0.03 37.82 17:10:23 0 58.04 0.00 2.86 0.08 0.03 39.00 17:10:23 1 60.47 0.00 2.53 0.06 0.03 36.91 17:10:23 2 60.98 0.00 2.54 0.08 0.03 36.38 17:10:23 3 58.16 0.00 2.69 0.11 0.04 39.00 Average: all 61.28 0.00 2.38 0.07 0.03 36.23 Average: 0 59.48 0.00 2.42 0.06 0.03 38.01 Average: 1 63.57 0.00 2.44 0.07 0.03 33.90 Average: 2 60.84 0.00 2.25 0.09 0.03 36.78 Average: 3 61.26 0.00 2.42 0.08 0.04 36.21