---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6309 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 652 10485 4 4851 14994 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:c0:02:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84781sec preferred_lft 84781sec inet6 fe80::f816:3eff:fec0:255/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:b1:25:d9:0a:a2 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-6309) 04/21/26 _x86_64_ (4 CPU) 20:35:59 LINUX RESTART (4 CPU) 20:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:29 26.24 0.69 11.43 14.12 217.50 2897.55 231972.47 21:00:01 32.51 0.82 27.31 4.39 27.48 4117.56 3666.51 Average: 29.23 0.75 19.01 9.47 126.79 3479.95 122985.91 20:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:29 10048024 13666456 2291288 13.99 145292 3576124 2543676 14.60 696136 5226532 24960 21:00:01 10779696 15387792 562992 3.44 172184 4473552 1100548 6.32 959524 4138792 232 Average: 10413860 14527124 1427140 8.72 158738 4024838 1822112 10.46 827830 4682662 12596 20:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:29 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 20:50:29 ens3 79.66 59.46 155.14 18.15 0.00 0.00 0.00 0.00 20:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1762.71 1762.71 1672.93 1672.93 0.00 0.00 0.00 0.00 21:00:01 ens3 109.12 89.52 426.18 101.85 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 842.21 842.21 798.68 798.68 0.00 0.00 0.00 0.00 Average: ens3 93.72 73.81 284.53 58.10 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-6309) 04/21/26 _x86_64_ (4 CPU) 20:35:59 LINUX RESTART (4 CPU) 20:40:03 CPU %user %nice %system %iowait %steal %idle 20:50:29 all 73.27 0.00 2.29 0.05 0.13 24.26 20:50:29 0 69.52 0.00 2.21 0.07 0.13 28.07 20:50:29 1 73.53 0.00 2.30 0.04 0.13 24.01 20:50:29 2 74.39 0.00 2.30 0.04 0.13 23.14 20:50:29 3 75.65 0.00 2.36 0.04 0.13 21.83 21:00:01 all 54.49 0.00 2.43 0.10 0.10 42.88 21:00:01 0 52.19 0.00 2.16 0.13 0.10 45.42 21:00:01 1 58.36 0.00 2.78 0.06 0.11 38.69 21:00:01 2 53.18 0.00 2.28 0.09 0.10 44.35 21:00:01 3 54.24 0.00 2.49 0.10 0.10 43.06 Average: all 64.31 0.00 2.36 0.07 0.12 33.15 Average: 0 61.25 0.00 2.19 0.10 0.11 36.35 Average: 1 66.29 0.00 2.53 0.05 0.12 31.01 Average: 2 64.26 0.00 2.29 0.06 0.11 33.27 Average: 3 65.43 0.00 2.42 0.07 0.11 31.96