---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54146 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 67G 15% / 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 664 9768 4 5556 14982 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:05:ed:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84824sec preferred_lft 84824sec inet6 fe80::f816:3eff:fe05:ed6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:11:4e:b6:7c:20 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54146) 03/30/26 _x86_64_ (4 CPU) 02:36:19 LINUX RESTART (4 CPU) 02:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 28.71 0.54 25.35 2.82 18.94 3817.12 17588.90 03:00:06 26.26 0.04 23.39 2.83 1.55 5922.00 12530.77 Average: 27.48 0.29 24.36 2.82 10.17 4878.90 15037.39 02:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 9049248 12910144 3045836 18.60 156224 3788720 3264212 18.74 737072 6162248 172684 03:00:06 8134248 13221648 2728252 16.66 186508 4920204 3238136 18.59 1010648 6730656 35216 Average: 8591748 13065896 2887044 17.63 171366 4354462 3251174 18.66 873860 6446452 103950 02:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1410.91 1410.91 1344.97 1344.97 0.00 0.00 0.00 0.00 02:50:01 ens3 47.63 38.36 326.48 9.93 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:06 lo 835.58 835.58 795.81 795.81 0.00 0.00 0.00 0.00 03:00:06 ens3 42.90 35.38 227.97 9.43 0.00 0.00 0.00 0.00 03:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1120.69 1120.69 1067.96 1067.96 0.00 0.00 0.00 0.00 Average: ens3 45.25 36.85 276.79 9.68 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54146) 03/30/26 _x86_64_ (4 CPU) 02:36:19 LINUX RESTART (4 CPU) 02:40:06 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 65.84 0.00 2.43 0.04 0.09 31.59 02:50:01 0 64.89 0.00 2.36 0.07 0.09 32.58 02:50:01 1 66.58 0.00 2.40 0.02 0.10 30.90 02:50:01 2 65.81 0.00 2.60 0.04 0.10 31.45 02:50:01 3 66.07 0.00 2.37 0.04 0.09 31.42 03:00:06 all 59.36 0.00 2.13 0.06 0.10 38.34 03:00:06 0 59.19 0.00 2.15 0.06 0.10 38.49 03:00:06 1 57.90 0.00 1.98 0.09 0.10 39.92 03:00:06 2 58.91 0.00 2.12 0.04 0.09 38.84 03:00:06 3 61.44 0.00 2.29 0.06 0.10 36.12 Average: all 62.57 0.00 2.28 0.05 0.10 35.00 Average: 0 62.01 0.00 2.26 0.07 0.10 35.56 Average: 1 62.20 0.00 2.19 0.06 0.10 35.45 Average: 2 62.33 0.00 2.35 0.04 0.10 35.18 Average: 3 63.73 0.00 2.33 0.05 0.10 33.79