---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8505 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: 5599.94 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 625 10431 4 4932 15020 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:24:3f:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84678sec preferred_lft 84678sec inet6 fe80::f816:3eff:fe24:3f3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:14:06:f7:1c:55 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-8505) 04/27/26 _x86_64_ (4 CPU) 15:09:50 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:05 58.73 11.36 46.44 0.93 1715.04 10639.69 3009.63 15:30:05 3.28 0.06 3.11 0.11 6.71 462.65 14.61 Average: 31.10 5.73 24.85 0.52 863.83 5568.79 1517.31 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:05 9663676 12689116 3274444 20.00 110604 3084880 3546816 20.36 535884 5842712 1040 15:30:05 9254088 12409472 3553096 21.70 114920 3200224 3751000 21.53 564064 6191096 192 Average: 9458882 12549294 3413770 20.85 112762 3142552 3648908 20.94 549974 6016904 616 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:05 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 15:20:05 ens3 128.02 90.78 1010.71 15.75 0.00 0.00 0.00 0.00 15:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:05 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 15:30:05 ens3 7.65 6.15 35.71 1.38 0.00 0.00 0.00 0.00 15:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.56 0.56 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 68.04 48.61 524.90 8.59 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-8505) 04/27/26 _x86_64_ (4 CPU) 15:09:50 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:05 all 40.54 0.00 1.25 0.71 0.12 57.38 15:20:05 0 41.51 0.00 1.05 0.36 0.11 56.97 15:20:05 1 33.69 0.00 1.43 1.27 0.11 63.50 15:20:05 2 44.15 0.00 1.32 0.46 0.12 53.95 15:20:05 3 42.82 0.00 1.22 0.74 0.12 55.09 15:30:05 all 45.25 0.00 0.57 0.02 0.10 54.07 15:30:05 0 40.28 0.00 0.61 0.02 0.09 58.98 15:30:05 1 50.16 0.00 0.57 0.02 0.11 49.14 15:30:05 2 44.44 0.00 0.59 0.01 0.09 54.87 15:30:05 3 46.11 0.00 0.52 0.01 0.09 53.26 Average: all 42.89 0.00 0.91 0.36 0.11 55.73 Average: 0 40.90 0.00 0.83 0.19 0.10 57.97 Average: 1 41.91 0.00 1.00 0.65 0.11 56.34 Average: 2 44.29 0.00 0.95 0.24 0.11 54.41 Average: 3 44.46 0.00 0.88 0.37 0.11 54.18