---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36214 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: 5599.94 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 10G 68G 13% / 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 695 10857 4 4436 14951 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:9e:2d:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84568sec preferred_lft 84568sec inet6 fe80::f816:3eff:fe9e:2db1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:e2:c6:fd:48:0e 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-36214) 08/12/26 _x86_64_ (4 CPU) 11:08:06 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 20.67 2.58 16.31 1.78 141.65 3406.46 3545.76 11:30:31 47.27 0.02 38.83 8.42 0.65 3484.39 18615.45 Average: 34.28 1.27 27.84 5.18 69.48 3446.35 11259.32 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 10788492 13997460 1965104 12.00 126304 3232300 2369008 13.60 489816 4732184 129812 11:30:31 10064028 13847220 2108088 12.88 191684 3662504 2295256 13.17 674416 5181912 28940 Average: 10426260 13922340 2036596 12.44 158994 3447402 2332132 13.39 582116 4957048 79376 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1112.27 1112.27 1060.61 1060.61 0.00 0.00 0.00 0.00 11:20:01 ens3 90.01 69.56 828.64 12.49 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:31 lo 4674.59 4674.59 4457.70 4457.70 0.00 0.00 0.00 0.00 11:30:31 ens3 91.42 69.25 23.83 21.80 0.00 0.00 0.00 0.00 11:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2935.68 2935.68 2799.44 2799.44 0.00 0.00 0.00 0.00 Average: ens3 90.73 69.40 416.69 17.25 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-36214) 08/12/26 _x86_64_ (4 CPU) 11:08:06 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 21.88 0.00 1.27 0.08 0.05 76.72 11:20:01 0 22.69 0.00 1.12 0.03 0.06 76.11 11:20:01 1 21.36 0.00 1.21 0.03 0.04 77.35 11:20:01 2 21.55 0.00 1.61 0.12 0.05 76.67 11:20:01 3 21.91 0.00 1.16 0.13 0.05 76.75 11:30:31 all 65.34 0.00 4.09 0.09 0.12 30.36 11:30:31 0 64.46 0.00 3.97 0.10 0.12 31.35 11:30:31 1 65.13 0.00 4.14 0.07 0.13 30.53 11:30:31 2 66.53 0.00 4.46 0.12 0.12 28.77 11:30:31 3 65.22 0.00 3.80 0.05 0.13 30.80 Average: all 44.11 0.00 2.71 0.08 0.09 53.01 Average: 0 44.06 0.00 2.57 0.07 0.09 53.21 Average: 1 43.75 0.00 2.71 0.05 0.09 53.40 Average: 2 44.57 0.00 3.07 0.12 0.08 52.16 Average: 3 44.06 0.00 2.51 0.09 0.09 53.25