---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4854 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 585 10646 4 4757 15061 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:18:36:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84685sec preferred_lft 84685sec inet6 fe80::f816:3eff:fe18:365f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:70:ce:a9:2a:77 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-4854) 04/20/26 _x86_64_ (4 CPU) 09:57:08 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:10 6.41 1.49 4.71 0.21 95.40 1060.89 144.04 10:20:01 2.96 0.18 2.68 0.10 5.52 357.69 14.50 Average: 4.70 0.84 3.70 0.15 50.72 711.32 79.65 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:10 9559716 12531112 3432880 20.97 111656 3026632 3626616 20.82 491660 5988424 492 10:20:01 9961588 13053424 2909616 17.77 115444 3133740 3105936 17.83 518188 5530052 22000 Average: 9760652 12792268 3171248 19.37 113550 3080186 3366276 19.32 504924 5759238 11246 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:10 lo 0.59 0.59 0.33 0.33 0.00 0.00 0.00 0.00 10:10:10 ens3 18.86 16.07 155.19 3.24 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 0.37 0.37 0.08 0.08 0.00 0.00 0.00 0.00 10:20:01 ens3 5.45 4.44 29.42 1.04 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 12.19 10.29 92.67 2.15 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-4854) 04/20/26 _x86_64_ (4 CPU) 09:57:08 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:10 all 53.24 0.00 0.87 0.03 0.09 45.77 10:10:10 0 56.22 0.00 0.68 0.02 0.09 42.99 10:10:10 1 53.38 0.00 1.00 0.02 0.09 45.50 10:10:10 2 47.62 0.00 0.92 0.07 0.09 51.31 10:10:10 3 55.75 0.00 0.88 0.02 0.09 43.26 10:20:01 all 48.03 0.00 0.52 0.02 0.08 51.35 10:20:01 0 42.03 0.00 0.49 0.01 0.08 57.39 10:20:01 1 35.45 0.00 0.50 0.02 0.07 63.96 10:20:01 2 69.07 0.00 0.55 0.01 0.10 30.27 10:20:01 3 45.53 0.00 0.52 0.03 0.08 53.84 Average: all 50.65 0.00 0.69 0.02 0.09 48.54 Average: 0 49.17 0.00 0.59 0.01 0.09 50.15 Average: 1 44.47 0.00 0.76 0.02 0.08 54.68 Average: 2 58.29 0.00 0.73 0.04 0.09 40.85 Average: 3 50.67 0.00 0.70 0.03 0.08 48.52