---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38590 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: 5600.00 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 610 10350 4 5027 15035 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:ee:c4:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84676sec preferred_lft 84676sec inet6 fe80::f816:3eff:feee:c491/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:5b:d1:5c:a3:da 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-38590) 08/19/26 _x86_64_ (4 CPU) 00:25:22 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:13 4.05 0.13 3.73 0.18 9.33 656.16 138.50 00:50:12 17.07 0.52 15.37 1.18 19.28 2317.14 6317.99 Average: 10.50 0.32 9.50 0.68 14.26 1478.66 3198.52 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:13 10626152 13777528 2185536 13.35 116016 3188376 2781904 15.97 503728 4885784 31400 00:50:12 8830364 12718024 3240328 19.79 135568 3866436 3422640 19.65 731720 6417016 277304 Average: 9728258 13247776 2712932 16.57 125792 3527406 3102272 17.81 617724 5651400 154352 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:13 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 00:40:13 ens3 12.69 9.80 35.61 2.78 0.00 0.00 0.00 0.00 00:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 449.63 449.63 428.55 428.55 0.00 0.00 0.00 0.00 00:50:12 ens3 48.56 32.78 443.86 5.20 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 222.96 222.96 212.40 212.40 0.00 0.00 0.00 0.00 Average: ens3 30.45 21.18 237.77 3.98 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-38590) 08/19/26 _x86_64_ (4 CPU) 00:25:22 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:13 all 46.24 0.00 0.77 0.02 0.08 52.89 00:40:13 0 41.35 0.00 0.80 0.03 0.07 57.75 00:40:13 1 44.80 0.00 0.78 0.01 0.08 54.33 00:40:13 2 45.88 0.00 0.68 0.05 0.08 53.31 00:40:13 3 52.91 0.00 0.83 0.01 0.08 46.18 00:50:12 all 56.78 0.00 1.44 0.05 0.08 41.64 00:50:12 0 47.58 0.00 1.63 0.07 0.09 50.63 00:50:12 1 50.08 0.00 1.11 0.04 0.08 48.69 00:50:12 2 84.58 0.00 1.59 0.03 0.09 13.70 00:50:12 3 44.90 0.00 1.43 0.07 0.08 53.52 Average: all 51.46 0.00 1.10 0.04 0.08 47.32 Average: 0 44.44 0.00 1.21 0.05 0.08 54.22 Average: 1 47.41 0.00 0.94 0.03 0.08 51.54 Average: 2 65.04 0.00 1.13 0.04 0.09 33.71 Average: 3 48.95 0.00 1.13 0.04 0.08 49.81