---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40053 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 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 681 10366 4 4941 14965 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:97:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fe9e:9705/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:83:c5:e1:3a:89 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-40053) 08/22/26 _x86_64_ (4 CPU) 14:40:17 LINUX RESTART (4 CPU) 14:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:06 13.31 0.50 11.71 1.10 19.29 3147.06 2212.31 15:10:07 27.07 0.64 22.54 3.89 24.88 3868.93 2630.07 Average: 20.19 0.57 17.13 2.50 22.08 3508.00 2421.19 14:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:06 9954568 13661560 2295724 14.02 150704 3644380 2512320 14.42 652948 5342192 25768 15:10:07 10656724 15356888 593644 3.63 175460 4548172 1119712 6.43 914092 4277864 56 Average: 10305646 14509224 1444684 8.82 163082 4096276 1816016 10.42 783520 4810028 12912 14:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:06 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 15:00:06 ens3 75.49 57.18 137.91 18.07 0.00 0.00 0.00 0.00 15:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:07 lo 1504.58 1504.58 1423.72 1423.72 0.00 0.00 0.00 0.00 15:10:07 ens3 112.64 98.52 442.27 154.56 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 753.01 753.01 711.94 711.94 0.00 0.00 0.00 0.00 Average: ens3 94.06 77.85 290.09 86.32 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-40053) 08/22/26 _x86_64_ (4 CPU) 14:40:17 LINUX RESTART (4 CPU) 14:50:05 CPU %user %nice %system %iowait %steal %idle 15:00:06 all 74.42 0.00 2.26 0.03 0.10 23.20 15:00:06 0 72.41 0.00 1.95 0.02 0.10 25.52 15:00:06 1 75.19 0.00 2.35 0.03 0.10 22.33 15:00:06 2 74.80 0.00 2.22 0.03 0.10 22.86 15:00:06 3 75.27 0.00 2.54 0.02 0.10 22.07 15:10:07 all 47.85 0.00 2.15 0.07 0.08 49.85 15:10:07 0 50.72 0.00 2.24 0.05 0.08 46.91 15:10:07 1 49.81 0.00 2.29 0.11 0.08 47.71 15:10:07 2 46.12 0.00 2.07 0.04 0.08 51.69 15:10:07 3 44.75 0.00 2.01 0.09 0.08 53.07 Average: all 61.13 0.00 2.21 0.05 0.09 36.52 Average: 0 61.56 0.00 2.09 0.04 0.09 36.22 Average: 1 62.50 0.00 2.32 0.07 0.09 35.03 Average: 2 60.46 0.00 2.14 0.03 0.09 37.27 Average: 3 60.01 0.00 2.27 0.05 0.09 37.58