---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39302 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: 5600.00 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 657 10504 4 4826 14989 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:9d:4b:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84669sec preferred_lft 84669sec inet6 fe80::f816:3eff:fe9d:4bba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:43:e0:73:a1:0c 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-39302) 07/27/26 _x86_64_ (4 CPU) 04:53:35 LINUX RESTART (4 CPU) 05:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:01 12.05 0.31 10.65 1.08 15.04 2791.70 2885.36 05:20:23 28.44 0.88 23.35 4.21 32.39 4115.63 9428.69 Average: 20.50 0.61 17.20 2.70 23.98 3474.05 6257.75 05:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:01 10232364 13731080 2227660 13.61 138244 3468852 2502484 14.36 596776 5138100 35420 05:20:23 10812988 15395636 554884 3.39 171348 4442268 1101096 6.32 894976 4159080 36 Average: 10522676 14563358 1391272 8.50 154796 3955560 1801790 10.34 745876 4648590 17728 05:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 05:10:01 ens3 68.83 54.29 98.05 17.17 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:23 lo 1609.27 1609.27 1525.92 1525.92 0.00 0.00 0.00 0.00 05:20:23 ens3 104.63 89.02 403.59 101.29 0.00 0.00 0.00 0.00 05:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 830.08 830.08 786.52 786.52 0.00 0.00 0.00 0.00 Average: ens3 87.28 72.19 255.52 60.52 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-39302) 07/27/26 _x86_64_ (4 CPU) 04:53:35 LINUX RESTART (4 CPU) 05:00:16 CPU %user %nice %system %iowait %steal %idle 05:10:01 all 70.66 0.00 2.16 0.68 0.14 26.36 05:10:01 0 69.18 0.00 1.96 0.95 0.22 27.68 05:10:01 1 71.68 0.00 2.26 0.07 0.12 25.86 05:10:01 2 71.30 0.00 2.39 0.05 0.12 26.14 05:10:01 3 70.48 0.00 2.02 1.63 0.12 25.75 05:20:23 all 58.09 0.00 2.43 0.09 0.10 39.30 05:20:23 0 56.64 0.00 2.33 0.04 0.10 40.89 05:20:23 1 59.92 0.00 2.69 0.12 0.10 37.17 05:20:23 2 59.24 0.00 2.07 0.10 0.10 38.49 05:20:23 3 56.55 0.00 2.62 0.09 0.10 40.64 Average: all 64.18 0.00 2.30 0.37 0.12 33.03 Average: 0 62.71 0.00 2.15 0.48 0.16 34.49 Average: 1 65.62 0.00 2.48 0.10 0.11 31.69 Average: 2 65.08 0.00 2.22 0.08 0.11 32.51 Average: 3 63.30 0.00 2.33 0.84 0.11 33.42