---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3626 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 nrip_save 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 636 10329 4 5023 15010 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:45:8d:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84588sec preferred_lft 84588sec inet6 fe80::f816:3eff:fe45:8d1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:da:2e:2c:a2:21 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-3626) 08/09/26 _x86_64_ (4 CPU) 00:27:26 LINUX RESTART (4 CPU) 00:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:15 9.02 2.13 6.64 0.25 131.05 2177.72 125.52 00:50:14 2.78 0.16 2.49 0.13 5.75 388.85 19.39 Average: 5.90 1.14 4.57 0.19 68.45 1284.00 72.50 00:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:15 9523384 12616348 3347196 20.44 114744 3135396 3607608 20.71 491076 6016932 176 00:50:14 10083360 13648052 2313160 14.13 126552 3567344 2824524 16.21 535612 5353148 346136 Average: 9803372 13132200 2830178 17.29 120648 3351370 3216066 18.46 513344 5685040 173156 00:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:15 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 00:40:15 ens3 65.78 51.52 690.09 8.12 0.00 0.00 0.00 0.00 00:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:14 lo 11.77 11.77 11.10 11.10 0.00 0.00 0.00 0.00 00:50:14 ens3 39.19 23.65 408.99 3.14 0.00 0.00 0.00 0.00 00:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.06 6.06 5.56 5.56 0.00 0.00 0.00 0.00 Average: ens3 52.50 37.60 549.65 5.63 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-3626) 08/09/26 _x86_64_ (4 CPU) 00:27:26 LINUX RESTART (4 CPU) 00:30:15 CPU %user %nice %system %iowait %steal %idle 00:40:15 all 49.94 0.00 0.96 0.04 0.08 48.98 00:40:15 0 52.57 0.00 1.01 0.04 0.08 46.30 00:40:15 1 48.79 0.00 0.86 0.03 0.08 50.24 00:40:15 2 45.57 0.00 1.05 0.04 0.09 53.25 00:40:15 3 52.82 0.00 0.91 0.05 0.08 46.14 00:50:14 all 47.94 0.00 0.57 0.01 0.08 51.40 00:50:14 0 36.52 0.00 0.55 0.01 0.07 62.85 00:50:14 1 58.53 0.00 0.53 0.01 0.09 40.85 00:50:14 2 52.97 0.00 0.59 0.02 0.08 46.34 00:50:14 3 43.72 0.00 0.61 0.01 0.08 55.58 Average: all 48.94 0.00 0.76 0.03 0.08 50.19 Average: 0 44.55 0.00 0.78 0.03 0.08 54.57 Average: 1 53.65 0.00 0.70 0.02 0.08 45.55 Average: 2 49.27 0.00 0.82 0.03 0.08 49.80 Average: 3 48.28 0.00 0.76 0.03 0.08 50.85