---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26697 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 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 622 10408 4 4957 15024 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:17:40:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84848sec preferred_lft 84848sec inet6 fe80::f816:3eff:fe17:4035/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:4d:85:9d:ce:31 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-26697) 06/11/26 _x86_64_ (4 CPU) 17:09:28 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 41.64 6.08 34.75 0.81 677.90 4932.43 1439.73 17:30:20 4.04 0.24 3.63 0.16 11.56 631.74 39.99 Average: 22.55 3.12 18.95 0.48 339.61 2749.07 729.11 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10258216 13276416 2686880 16.41 112620 3066812 2952168 16.95 479012 5293312 7884 17:30:20 10490572 13717076 2244808 13.71 119692 3250828 2437648 13.99 528100 4976644 27792 Average: 10374394 13496746 2465844 15.06 116156 3158820 2694908 15.47 503556 5134978 17838 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 97.95 74.46 914.14 14.03 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:20 lo 0.79 0.79 0.38 0.38 0.00 0.00 0.00 0.00 17:30:20 ens3 10.72 8.73 59.43 1.79 0.00 0.00 0.00 0.00 17:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.65 0.65 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 53.67 41.09 480.22 7.81 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-26697) 06/11/26 _x86_64_ (4 CPU) 17:09:28 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 44.61 0.00 1.13 0.60 0.09 53.57 17:20:01 0 48.31 0.00 1.10 0.14 0.09 50.36 17:20:01 1 44.39 0.00 1.15 0.22 0.09 54.14 17:20:01 2 41.83 0.00 1.18 1.87 0.09 55.03 17:20:01 3 43.89 0.00 1.10 0.16 0.09 54.76 17:30:20 all 48.44 0.00 0.67 0.04 0.09 50.77 17:30:20 0 44.57 0.00 0.54 0.03 0.08 54.78 17:30:20 1 54.17 0.00 0.76 0.02 0.09 44.96 17:30:20 2 57.77 0.00 0.73 0.02 0.09 41.39 17:30:20 3 37.24 0.00 0.65 0.07 0.08 61.96 Average: all 46.56 0.00 0.90 0.31 0.09 52.15 Average: 0 46.41 0.00 0.81 0.09 0.08 52.60 Average: 1 49.36 0.00 0.95 0.12 0.09 49.48 Average: 2 49.93 0.00 0.95 0.93 0.09 48.10 Average: 3 40.51 0.00 0.87 0.11 0.08 58.42