---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6471 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 672 10591 4 4724 14974 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:b9:b4:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84540sec preferred_lft 84540sec inet6 fe80::f816:3eff:feb9:b433/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:26:34:12:21:6b 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-6471) 04/22/26 _x86_64_ (4 CPU) 03:00:49 LINUX RESTART (4 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:04 24.49 0.46 9.70 14.33 17.62 2310.01 241070.26 03:30:10 30.68 0.76 25.69 4.23 25.88 3850.13 5396.27 Average: 27.59 0.61 17.71 9.27 21.76 3081.95 122945.65 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:04 10149612 13645488 2312912 14.13 144420 3456076 2515760 14.44 633900 5179592 24624 03:30:10 10881696 15360356 590580 3.61 171096 4347020 1100324 6.32 896208 4089220 4 Average: 10515654 14502922 1451746 8.87 157758 3901548 1808042 10.38 765054 4634406 12314 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:04 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 03:20:04 ens3 62.10 48.80 101.55 17.08 0.00 0.00 0.00 0.00 03:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:10 lo 1769.74 1769.74 1678.65 1678.65 0.00 0.00 0.00 0.00 03:30:10 ens3 103.46 92.05 404.59 145.22 0.00 0.00 0.00 0.00 03:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 887.74 887.74 841.44 841.44 0.00 0.00 0.00 0.00 Average: ens3 82.83 70.47 253.44 81.31 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-6471) 04/22/26 _x86_64_ (4 CPU) 03:00:49 LINUX RESTART (4 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:04 all 72.72 0.00 2.27 0.03 0.11 24.87 03:20:04 0 73.55 0.00 2.53 0.04 0.11 23.77 03:20:04 1 72.67 0.00 2.35 0.02 0.11 24.84 03:20:04 2 73.97 0.00 2.08 0.01 0.11 23.82 03:20:04 3 70.68 0.00 2.13 0.03 0.11 27.04 03:30:10 all 52.05 0.00 2.31 0.07 0.09 45.47 03:30:10 0 55.03 0.00 2.30 0.09 0.09 42.48 03:30:10 1 53.99 0.00 2.46 0.08 0.09 43.38 03:30:10 2 47.56 0.00 2.25 0.06 0.08 50.04 03:30:10 3 51.62 0.00 2.23 0.07 0.09 45.99 Average: all 62.36 0.00 2.29 0.05 0.10 35.20 Average: 0 64.27 0.00 2.42 0.06 0.10 33.15 Average: 1 63.31 0.00 2.41 0.05 0.10 34.13 Average: 2 60.73 0.00 2.17 0.04 0.10 36.97 Average: 3 61.13 0.00 2.18 0.05 0.10 36.54