---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11451 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 668 10111 4 5209 14978 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:8f:a0:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84626sec preferred_lft 84626sec inet6 fe80::f816:3eff:fe8f:a046/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:d3:39:f1:35:9a 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-11451) 05/06/26 _x86_64_ (4 CPU) 14:22:40 LINUX RESTART (4 CPU) 14:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:12 13.08 0.02 10.87 2.19 0.62 806.48 54588.14 14:50:12 31.19 0.18 26.80 4.21 5.79 5593.93 28165.20 Average: 22.07 0.10 18.78 3.19 3.18 3183.23 41470.35 14:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:12 9709096 13042644 2917480 17.82 151552 3316296 3148788 18.07 664820 5624448 164 14:50:12 7693784 12630236 3321780 20.29 178548 4815392 3390856 19.46 1256972 6966860 137368 Average: 8701440 12836440 3119630 19.05 165050 4065844 3269822 18.77 960896 6295654 68766 14:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:12 lo 49.27 49.27 11.89 11.89 0.00 0.00 0.00 0.00 14:40:12 ens3 5.68 4.81 7.17 1.46 0.00 0.00 0.00 0.00 14:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:12 lo 1965.44 1965.44 1869.65 1869.65 0.00 0.00 0.00 0.00 14:50:12 ens3 55.33 43.58 471.68 9.08 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1000.56 1000.56 934.18 934.18 0.00 0.00 0.00 0.00 Average: ens3 30.33 24.06 237.78 5.24 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-11451) 05/06/26 _x86_64_ (4 CPU) 14:22:40 LINUX RESTART (4 CPU) 14:30:03 CPU %user %nice %system %iowait %steal %idle 14:40:12 all 19.46 0.00 0.86 0.31 0.12 79.25 14:40:12 0 19.23 0.00 0.94 0.22 0.09 79.53 14:40:12 1 19.48 0.00 1.02 0.35 0.09 79.06 14:40:12 2 19.32 0.00 0.77 0.26 0.10 79.55 14:40:12 3 19.81 0.00 0.72 0.41 0.20 78.86 14:50:12 all 48.77 0.00 2.38 0.10 0.12 48.63 14:50:12 0 47.35 0.00 2.55 0.13 0.11 49.87 14:50:12 1 49.69 0.00 2.21 0.08 0.12 47.90 14:50:12 2 50.66 0.00 2.38 0.07 0.12 46.77 14:50:12 3 47.38 0.00 2.39 0.12 0.11 49.99 Average: all 34.01 0.00 1.62 0.21 0.12 64.05 Average: 0 33.20 0.00 1.74 0.17 0.10 64.78 Average: 1 34.49 0.00 1.61 0.22 0.10 63.58 Average: 2 34.87 0.00 1.56 0.16 0.11 63.29 Average: 3 33.47 0.00 1.55 0.27 0.16 64.56