---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9437 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 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 636 10505 4 4847 15010 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:d4:c4:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84801sec preferred_lft 84801sec inet6 fe80::f816:3eff:fed4:c4ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:b1:4f:b3:ee:96 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-9437) 04/28/26 _x86_64_ (4 CPU) 20:07:32 LINUX RESTART (4 CPU) 20:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:03 7.83 1.41 6.22 0.20 80.40 2037.17 170.36 20:30:03 8.09 0.52 7.13 0.43 18.81 1558.80 1021.48 Average: 7.95 0.96 6.68 0.32 49.61 1797.99 595.92 20:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:03 9153004 12125484 3838220 23.44 111644 3027272 4095964 23.51 492520 6384896 2044 20:30:03 10164056 13644040 2316376 14.15 129388 3486584 2848044 16.35 621332 5217908 86160 Average: 9658530 12884762 3077298 18.79 120516 3256928 3472004 19.93 556926 5801402 44102 20:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:03 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 20:20:03 ens3 20.84 17.57 154.98 3.44 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:03 lo 98.10 98.10 93.10 93.10 0.00 0.00 0.00 0.00 20:30:03 ens3 39.25 28.19 432.69 3.61 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.38 49.38 46.74 46.74 0.00 0.00 0.00 0.00 Average: ens3 30.05 22.88 293.84 3.52 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-9437) 04/28/26 _x86_64_ (4 CPU) 20:07:32 LINUX RESTART (4 CPU) 20:10:03 CPU %user %nice %system %iowait %steal %idle 20:20:03 all 51.50 0.00 0.86 0.03 0.10 47.51 20:20:03 0 57.50 0.00 0.92 0.02 0.10 41.45 20:20:03 1 55.06 0.00 1.01 0.06 0.11 43.77 20:20:03 2 44.25 0.00 0.82 0.01 0.09 54.82 20:20:03 3 49.17 0.00 0.68 0.05 0.10 50.01 20:30:03 all 46.49 0.00 0.81 0.02 0.08 52.60 20:30:03 0 39.46 0.00 0.71 0.02 0.08 59.74 20:30:03 1 48.67 0.00 0.83 0.01 0.08 50.41 20:30:03 2 47.81 0.00 0.80 0.02 0.08 51.29 20:30:03 3 50.02 0.00 0.90 0.03 0.08 48.98 Average: all 48.99 0.00 0.83 0.03 0.09 50.06 Average: 0 48.49 0.00 0.81 0.02 0.09 50.59 Average: 1 51.86 0.00 0.92 0.03 0.09 47.09 Average: 2 46.03 0.00 0.81 0.02 0.09 53.05 Average: 3 49.59 0.00 0.79 0.04 0.09 49.49