---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3209 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 653 10616 4 4719 14992 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:bc:9f:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84589sec preferred_lft 84589sec inet6 fe80::f816:3eff:febc:9f4e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:69:c7:e4:8d:fa 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-3209) 09/08/26 _x86_64_ (4 CPU) 16:45:17 LINUX RESTART (4 CPU) 16:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:09 13.85 1.97 11.15 0.73 130.65 3696.69 854.48 17:10:09 22.80 0.79 18.84 3.16 24.12 2892.35 2804.20 Average: 18.32 1.38 14.99 1.95 77.39 3294.52 1829.34 16:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:09 10233052 13680268 2278676 13.92 135256 3431228 2673792 15.35 576804 5177376 38504 17:10:09 11002096 15461172 491716 3.00 168096 4339164 1062376 6.10 875044 4003892 304884 Average: 10617574 14570720 1385196 8.46 151676 3885196 1868084 10.72 725924 4590634 171694 16:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:09 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 17:00:09 ens3 80.34 68.23 525.55 13.52 0.00 0.00 0.00 0.00 17:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:09 lo 1583.50 1583.50 1509.80 1509.80 0.00 0.00 0.00 0.00 17:10:09 ens3 66.20 54.74 450.19 27.91 0.00 0.00 0.00 0.00 17:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 792.36 792.36 754.96 754.96 0.00 0.00 0.00 0.00 Average: ens3 73.27 61.49 487.87 20.71 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-3209) 09/08/26 _x86_64_ (4 CPU) 16:45:17 LINUX RESTART (4 CPU) 16:50:09 CPU %user %nice %system %iowait %steal %idle 17:00:09 all 64.70 0.00 2.15 0.07 0.03 33.05 17:00:09 0 65.26 0.00 2.22 0.13 0.03 32.36 17:00:09 1 66.07 0.00 2.51 0.05 0.03 31.35 17:00:09 2 64.37 0.00 1.92 0.03 0.03 33.65 17:00:09 3 63.09 0.00 1.94 0.08 0.04 34.86 17:10:09 all 60.20 0.00 2.61 0.07 0.03 37.08 17:10:09 0 60.69 0.00 2.52 0.06 0.03 36.70 17:10:09 1 59.37 0.00 2.56 0.06 0.03 37.98 17:10:09 2 60.44 0.00 2.51 0.08 0.03 36.94 17:10:09 3 60.30 0.00 2.86 0.08 0.03 36.73 Average: all 62.45 0.00 2.38 0.07 0.03 35.07 Average: 0 62.97 0.00 2.37 0.10 0.03 34.53 Average: 1 62.72 0.00 2.53 0.06 0.03 34.66 Average: 2 62.40 0.00 2.22 0.06 0.03 35.29 Average: 3 61.69 0.00 2.40 0.08 0.03 35.79