---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30816 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 697 10347 4 4943 14949 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:57:8e:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84646sec preferred_lft 84646sec inet6 fe80::f816:3eff:fe57:8e40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:c6:9b:14:b1: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-30816) 06/26/26 _x86_64_ (4 CPU) 10:16:24 LINUX RESTART (4 CPU) 10:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 14.74 2.21 11.54 0.99 338.70 3258.11 1888.90 10:40:13 26.73 0.76 22.49 3.48 27.42 4129.59 3600.48 Average: 20.86 1.47 17.13 2.26 179.77 3703.04 2762.74 10:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 9950860 13404692 2554172 15.60 133188 3441940 2871000 16.48 616092 5414996 24624 10:40:13 8587300 13180912 2769296 16.91 169080 4462652 3473704 19.94 924600 6384780 13548 Average: 9269080 13292802 2661734 16.26 151134 3952296 3172352 18.21 770346 5899888 19086 10:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 10:30:01 ens3 101.89 80.11 711.82 18.06 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:13 lo 1549.14 1549.14 1476.81 1476.81 0.00 0.00 0.00 0.00 10:40:13 ens3 92.50 68.15 420.96 18.61 0.00 0.00 0.00 0.00 10:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 791.45 791.45 754.04 754.04 0.00 0.00 0.00 0.00 Average: ens3 97.10 74.01 563.32 18.34 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-30816) 06/26/26 _x86_64_ (4 CPU) 10:16:24 LINUX RESTART (4 CPU) 10:20:13 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 52.72 0.00 1.84 0.12 0.08 45.24 10:30:01 0 53.28 0.00 1.81 0.24 0.08 44.59 10:30:01 1 51.98 0.00 1.99 0.15 0.08 45.80 10:30:01 2 51.89 0.00 1.87 0.05 0.08 46.10 10:30:01 3 53.74 0.00 1.67 0.05 0.08 44.46 10:40:13 all 69.17 0.00 2.71 0.11 0.10 27.90 10:40:13 0 68.72 0.00 2.54 0.13 0.10 28.51 10:40:13 1 67.92 0.00 2.70 0.14 0.10 29.15 10:40:13 2 72.22 0.00 2.78 0.13 0.10 24.76 10:40:13 3 67.84 0.00 2.83 0.03 0.10 29.19 Average: all 61.12 0.00 2.28 0.12 0.09 36.38 Average: 0 61.16 0.00 2.18 0.18 0.09 36.38 Average: 1 60.12 0.00 2.35 0.14 0.09 37.29 Average: 2 62.27 0.00 2.34 0.10 0.09 35.21 Average: 3 60.95 0.00 2.27 0.04 0.09 36.65