---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23443 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 696 10492 4 4800 14950 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:76:f5:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:fe76:f55b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:62:bd:ba:7a: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-23443) 06/03/26 _x86_64_ (4 CPU) 17:12:40 LINUX RESTART (4 CPU) 17:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:05 26.91 1.95 10.31 14.66 125.44 2850.64 243035.07 17:40:01 34.60 0.90 30.17 3.53 30.53 4214.46 7042.72 Average: 30.76 1.43 20.25 9.08 77.92 3533.56 124863.43 17:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:05 10745804 14095692 1863872 11.38 131528 3340628 2136268 12.26 563756 4667516 26588 17:40:01 8723856 13218508 2731660 16.68 169880 4358484 2818376 16.18 879356 6274024 40912 Average: 9734830 13657100 2297766 14.03 150704 3849556 2477322 14.22 721556 5470770 33750 17:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:05 lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 17:30:05 ens3 100.23 77.31 622.34 19.03 0.00 0.00 0.00 0.00 17:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 1683.20 1683.20 1604.75 1604.75 0.00 0.00 0.00 0.00 17:40:01 ens3 80.29 62.26 429.90 16.47 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 843.42 843.42 803.63 803.63 0.00 0.00 0.00 0.00 Average: ens3 90.25 69.77 525.98 17.75 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-23443) 06/03/26 _x86_64_ (4 CPU) 17:12:40 LINUX RESTART (4 CPU) 17:20:11 CPU %user %nice %system %iowait %steal %idle 17:30:05 all 57.93 0.00 1.91 0.05 0.09 40.02 17:30:05 0 58.06 0.00 2.11 0.03 0.08 39.71 17:30:05 1 56.34 0.00 1.64 0.03 0.09 41.90 17:30:05 2 59.09 0.00 1.89 0.06 0.08 38.88 17:30:05 3 58.22 0.00 2.01 0.09 0.09 39.59 17:40:01 all 69.01 0.00 2.81 0.27 0.10 27.82 17:40:01 0 67.56 0.00 2.67 0.36 0.10 29.30 17:40:01 1 66.30 0.00 2.92 0.49 0.10 30.18 17:40:01 2 74.23 0.00 2.96 0.08 0.10 22.63 17:40:01 3 67.95 0.00 2.66 0.15 0.10 29.14 Average: all 63.48 0.00 2.36 0.16 0.09 33.91 Average: 0 62.82 0.00 2.39 0.20 0.09 34.50 Average: 1 61.33 0.00 2.28 0.26 0.09 36.03 Average: 2 66.67 0.00 2.43 0.07 0.09 30.74 Average: 3 63.09 0.00 2.34 0.12 0.09 34.36