---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-311 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: 5599.86 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 640 10503 4 4845 15006 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:b2:15:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84741sec preferred_lft 84741sec inet6 fe80::f816:3eff:feb2:15fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:f9:61:40:71:9a 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-311) 07/29/26 _x86_64_ (4 CPU) 09:54:25 LINUX RESTART (4 CPU) 10:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 3.77 0.07 3.53 0.16 7.13 511.24 32.35 10:20:21 19.23 0.51 17.26 1.46 18.75 2424.74 7274.34 Average: 11.57 0.29 10.46 0.82 12.99 1476.82 3686.75 10:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 10706580 13800968 2161820 13.20 115700 3134032 2433832 13.97 504908 4800956 22320 10:20:21 9725672 13645316 2313048 14.13 136292 3898352 2541080 14.59 696504 5545976 379864 Average: 10216126 13723142 2237434 13.67 125996 3516192 2487456 14.28 600706 5173466 201092 10:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 10:10:12 ens3 8.22 7.21 36.40 1.69 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:21 lo 438.82 438.82 417.84 417.84 0.00 0.00 0.00 0.00 10:20:21 ens3 46.77 35.20 481.19 5.32 0.00 0.00 0.00 0.00 10:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 221.73 221.73 211.03 211.03 0.00 0.00 0.00 0.00 Average: ens3 27.68 21.34 260.84 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-311) 07/29/26 _x86_64_ (4 CPU) 09:54:25 LINUX RESTART (4 CPU) 10:00:15 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 46.15 0.00 0.71 0.01 0.07 53.05 10:10:12 0 60.24 0.00 0.68 0.02 0.07 38.98 10:10:12 1 51.87 0.00 0.76 0.02 0.07 47.28 10:10:12 2 32.89 0.00 0.76 0.01 0.08 66.27 10:10:12 3 39.58 0.00 0.65 0.01 0.07 59.69 10:20:21 all 52.56 0.00 1.32 0.06 0.08 45.98 10:20:21 0 48.61 0.00 1.27 0.11 0.08 49.93 10:20:21 1 46.79 0.00 1.28 0.04 0.08 51.81 10:20:21 2 40.47 0.00 1.42 0.05 0.07 57.99 10:20:21 3 74.40 0.00 1.30 0.03 0.09 24.17 Average: all 49.38 0.00 1.02 0.04 0.08 49.49 Average: 0 54.38 0.00 0.98 0.07 0.08 44.50 Average: 1 49.31 0.00 1.02 0.03 0.08 49.56 Average: 2 36.71 0.00 1.09 0.03 0.07 62.09 Average: 3 57.13 0.00 0.98 0.02 0.08 41.79