---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39295 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 68G 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 678 10484 4 4826 14968 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:3e:55:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84663sec preferred_lft 84663sec inet6 fe80::f816:3eff:fe3e:55b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:7b:68:4f:43:a3 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39295) 07/27/26 _x86_64_ (4 CPU) 03:53:19 LINUX RESTART (4 CPU) 04:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:10:01 15.22 2.02 12.08 1.12 131.53 3207.56 3392.14 04:20:09 29.86 0.90 24.62 4.34 32.71 4198.97 11392.79 Average: 22.64 1.45 18.43 2.76 81.44 3710.03 7447.07 04:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:10:01 10395284 13895916 2062840 12.60 139316 3469616 2454932 14.09 597772 4977264 36352 04:20:09 10796800 15379248 571456 3.49 171676 4441716 1101104 6.32 894976 4177084 32 Average: 10596042 14637582 1317148 8.04 155496 3955666 1778018 10.21 746374 4577174 18192 04:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:10:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 04:10:01 ens3 112.37 83.02 605.23 20.82 0.00 0.00 0.00 0.00 04:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:09 lo 1707.81 1707.81 1620.08 1620.08 0.00 0.00 0.00 0.00 04:20:09 ens3 100.25 86.02 411.54 100.71 0.00 0.00 0.00 0.00 04:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 866.25 866.25 821.16 821.16 0.00 0.00 0.00 0.00 Average: ens3 106.23 84.54 507.06 61.31 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39295) 07/27/26 _x86_64_ (4 CPU) 03:53:19 LINUX RESTART (4 CPU) 04:00:09 CPU %user %nice %system %iowait %steal %idle 04:10:01 all 71.91 0.00 2.23 0.07 0.11 25.68 04:10:01 0 74.44 0.00 2.69 0.08 0.11 22.68 04:10:01 1 70.87 0.00 2.22 0.14 0.11 26.66 04:10:01 2 70.96 0.00 1.86 0.03 0.11 27.05 04:10:01 3 71.39 0.00 2.13 0.04 0.11 26.33 04:20:09 all 57.81 0.00 2.41 0.12 0.09 39.55 04:20:09 0 60.71 0.00 2.39 0.13 0.10 36.68 04:20:09 1 52.98 0.00 2.38 0.11 0.09 44.44 04:20:09 2 60.36 0.00 2.64 0.11 0.10 36.79 04:20:09 3 57.21 0.00 2.25 0.15 0.09 40.29 Average: all 64.77 0.00 2.32 0.10 0.10 32.71 Average: 0 67.48 0.00 2.54 0.11 0.10 29.78 Average: 1 61.80 0.00 2.30 0.13 0.10 35.67 Average: 2 65.59 0.00 2.26 0.07 0.10 31.98 Average: 3 64.20 0.00 2.19 0.10 0.10 33.41