---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25206 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 696 10475 4 4817 14950 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:51:b5:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84274sec preferred_lft 84274sec inet6 fe80::f816:3eff:fe51:b51f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:8e:26:64:da:44 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-25206) 06/05/26 _x86_64_ (4 CPU) 22:58:19 LINUX RESTART (4 CPU) 23:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:09 9.00 2.54 6.34 0.12 149.31 1436.04 415.91 23:20:06 13.54 0.70 11.68 1.16 27.77 3314.27 2706.53 23:30:09 28.74 0.78 23.56 4.40 26.80 3997.47 5003.27 Average: 17.12 1.34 13.88 1.90 67.96 2917.14 2712.76 23:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:09 12030908 14875516 1089580 6.65 112472 2902696 1567292 9.00 413624 3587344 302380 23:20:06 10346224 13894536 2063640 12.60 143560 3504816 2614092 15.00 624332 4991656 27268 23:30:09 10793748 15366456 584748 3.57 171652 4432812 1110712 6.38 894800 4176432 36 Average: 11056960 14712169 1245989 7.61 142561 3613441 1764032 10.13 644252 4251811 109895 23:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:09 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 23:10:09 ens3 56.24 46.83 767.87 6.92 0.00 0.00 0.00 0.00 23:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:06 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 23:20:06 ens3 65.69 52.41 122.16 18.13 0.00 0.00 0.00 0.00 23:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:09 lo 1694.12 1694.12 1608.92 1608.92 0.00 0.00 0.00 0.00 23:30:09 ens3 85.84 73.43 406.54 81.49 0.00 0.00 0.00 0.00 23:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 568.39 568.39 539.33 539.33 0.00 0.00 0.00 0.00 Average: ens3 69.29 57.59 432.73 35.63 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-25206) 06/05/26 _x86_64_ (4 CPU) 22:58:19 LINUX RESTART (4 CPU) 23:00:09 CPU %user %nice %system %iowait %steal %idle 23:10:09 all 4.28 0.00 0.29 0.05 0.03 95.35 23:10:09 0 4.62 0.00 0.25 0.07 0.04 95.03 23:10:09 1 4.71 0.00 0.31 0.08 0.02 94.89 23:10:09 2 3.87 0.00 0.34 0.01 0.03 95.76 23:10:09 3 3.93 0.00 0.27 0.04 0.02 95.74 23:20:06 all 72.57 0.00 2.24 0.31 0.10 24.78 23:20:06 0 72.21 0.00 2.26 0.02 0.10 25.41 23:20:06 1 70.46 0.00 2.16 1.16 0.10 26.12 23:20:06 2 75.29 0.00 2.28 0.03 0.10 22.30 23:20:06 3 72.33 0.00 2.27 0.03 0.10 25.27 23:30:09 all 54.42 0.00 2.39 0.07 0.09 43.03 23:30:09 0 53.98 0.00 2.64 0.06 0.09 43.24 23:30:09 1 54.24 0.00 2.44 0.06 0.09 43.17 23:30:09 2 53.84 0.00 2.21 0.08 0.09 43.78 23:30:09 3 55.63 0.00 2.28 0.07 0.09 41.93 Average: all 43.70 0.00 1.64 0.14 0.07 54.45 Average: 0 43.55 0.00 1.71 0.05 0.08 54.61 Average: 1 43.07 0.00 1.64 0.43 0.07 54.79 Average: 2 44.27 0.00 1.61 0.04 0.07 54.01 Average: 3 43.90 0.00 1.61 0.05 0.07 54.38