---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42609 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 67G 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 656 10362 4 4970 14989 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:3b:84:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83535sec preferred_lft 83535sec inet6 fe80::f816:3eff:fe3b:844f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:8d:b8:86:65:c9 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42609) 08/29/26 _x86_64_ (4 CPU) 19:44:41 LINUX RESTART (4 CPU) 19:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:03 1.47 0.01 1.47 0.01 0.04 16.73 0.19 20:10:03 36.46 4.12 31.71 0.63 242.63 3620.35 633.57 20:20:03 4.52 0.22 4.13 0.17 22.73 963.81 27.49 20:30:03 31.57 0.53 16.30 14.75 20.24 2396.37 243121.82 Average: 18.51 1.22 13.40 3.89 71.41 1749.32 60945.77 19:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:03 13742156 15519748 498840 3.05 53688 1951744 1141812 6.55 192052 2184640 20 20:10:03 11423336 14334712 1629512 9.95 108948 2975228 2154328 12.37 421476 4194572 98588 20:20:03 8074292 11168744 4793856 29.28 115192 3137880 4881200 28.02 496424 7453328 448 20:30:03 8816940 12651648 3306672 20.20 135340 3818344 3790812 21.76 713828 6455436 272344 Average: 10514181 13418713 2557220 15.62 103292 2970799 2992038 17.17 455945 5071994 92850 19:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:03 ens3 0.71 0.13 0.11 0.05 0.00 0.00 0.00 0.00 20:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:03 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 20:10:03 ens3 76.95 62.38 859.94 11.56 0.00 0.00 0.00 0.00 20:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 20:20:03 ens3 13.48 11.21 80.49 2.71 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:03 lo 572.00 572.00 545.36 545.36 0.00 0.00 0.00 0.00 20:30:03 ens3 38.31 29.16 433.11 4.19 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 143.26 143.26 136.44 136.44 0.00 0.00 0.00 0.00 Average: ens3 32.36 25.72 343.41 4.63 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42609) 08/29/26 _x86_64_ (4 CPU) 19:44:41 LINUX RESTART (4 CPU) 19:50:03 CPU %user %nice %system %iowait %steal %idle 20:00:03 all 0.06 0.00 0.03 0.02 0.00 99.89 20:00:03 0 0.17 0.00 0.03 0.00 0.00 99.81 20:00:03 1 0.04 0.00 0.04 0.00 0.00 99.92 20:00:03 2 0.03 0.00 0.02 0.01 0.00 99.94 20:00:03 3 0.03 0.00 0.02 0.05 0.00 99.89 20:10:03 all 10.21 0.00 0.65 0.29 0.01 88.84 20:10:03 0 9.40 0.00 0.59 0.15 0.01 89.85 20:10:03 1 12.81 0.00 0.74 0.12 0.01 86.32 20:10:03 2 8.54 0.00 0.74 0.76 0.01 89.95 20:10:03 3 10.09 0.00 0.53 0.12 0.01 89.25 20:20:03 all 47.72 0.00 0.89 0.04 0.03 51.33 20:20:03 0 47.29 0.00 1.00 0.03 0.02 51.65 20:20:03 1 38.16 0.00 0.79 0.06 0.02 60.98 20:20:03 2 50.45 0.00 0.83 0.02 0.03 48.67 20:20:03 3 54.99 0.00 0.95 0.03 0.03 44.01 20:30:03 all 55.04 0.00 1.52 0.07 0.03 43.34 20:30:03 0 64.47 0.00 1.43 0.07 0.04 34.00 20:30:03 1 59.37 0.00 1.51 0.07 0.03 39.03 20:30:03 2 45.41 0.00 1.53 0.05 0.02 53.00 20:30:03 3 50.90 0.00 1.64 0.10 0.02 47.35 Average: all 28.26 0.00 0.77 0.10 0.02 70.85 Average: 0 30.34 0.00 0.76 0.06 0.02 68.82 Average: 1 27.60 0.00 0.77 0.06 0.02 71.56 Average: 2 26.09 0.00 0.78 0.21 0.01 72.91 Average: 3 29.02 0.00 0.79 0.07 0.02 70.10