---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-113500 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 66G 16% / 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 659 8841 4 6488 14987 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:b5:b3:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:feb5:b34a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:29:5f:b7:7e:db 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-113500) 03/06/26 _x86_64_ (4 CPU) 09:11:01 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:13 26.08 0.02 23.30 2.76 0.24 2229.73 9790.20 09:40:01 20.70 0.03 19.22 1.44 0.39 9132.20 6187.90 Average: 23.44 0.02 21.30 2.11 0.31 5614.45 8023.76 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:13 9121652 12890544 3064908 18.72 152212 3719320 3101496 17.80 756328 6089136 21752 09:40:01 9158192 15433144 514412 3.14 176944 6114528 997800 5.73 1618552 5079068 32040 Average: 9139922 14161844 1789660 10.93 164578 4916924 2049648 11.76 1187440 5584102 26896 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:13 lo 1232.73 1232.73 1174.20 1174.20 0.00 0.00 0.00 0.00 09:30:13 ens3 27.77 22.54 18.76 7.21 0.00 0.00 0.00 0.00 09:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 764.68 764.68 7468.75 7468.75 0.00 0.00 0.00 0.00 09:40:01 ens3 41.18 31.89 148.72 23.58 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1003.21 1003.21 4260.82 4260.82 0.00 0.00 0.00 0.00 Average: ens3 34.34 27.12 82.49 15.24 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-113500) 03/06/26 _x86_64_ (4 CPU) 09:11:01 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:13 all 66.07 0.00 2.35 0.07 0.12 31.38 09:30:13 0 66.49 0.00 2.29 0.07 0.12 31.03 09:30:13 1 67.22 0.00 2.71 0.06 0.12 29.89 09:30:13 2 65.39 0.00 2.40 0.10 0.12 31.99 09:30:13 3 65.20 0.00 2.00 0.05 0.12 32.63 09:40:01 all 46.20 0.00 1.78 0.58 0.10 51.35 09:40:01 0 46.89 0.00 1.73 0.26 0.10 51.03 09:40:01 1 40.10 0.00 1.75 0.24 0.09 57.81 09:40:01 2 53.18 0.00 1.90 0.32 0.10 44.50 09:40:01 3 44.65 0.00 1.73 1.48 0.10 52.04 Average: all 56.32 0.00 2.07 0.32 0.11 41.18 Average: 0 56.87 0.00 2.02 0.17 0.11 40.84 Average: 1 53.92 0.00 2.24 0.15 0.10 43.59 Average: 2 59.40 0.00 2.15 0.21 0.11 38.13 Average: 3 55.11 0.00 1.87 0.75 0.11 42.15