---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32607 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 693 10424 4 4871 14953 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:f3:2f:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84172sec preferred_lft 84172sec inet6 fe80::f816:3eff:fef3:2f3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:f6:ed:3f:06:04 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-32607) 07/03/26 _x86_64_ (4 CPU) 09:12:00 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 10.12 1.92 7.77 0.43 124.03 2157.75 1196.43 09:40:05 13.78 0.78 11.74 1.25 27.84 2369.30 3581.23 Average: 11.96 1.35 9.76 0.85 75.78 2263.87 2392.72 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10920564 14138400 1822908 11.13 126196 3217144 2113264 12.13 557580 4504768 27972 09:40:05 9466008 13619476 2333020 14.25 166360 4028392 2492824 14.31 791292 5625620 259340 Average: 10193286 13878938 2077964 12.69 146278 3622768 2303044 13.22 674436 5065194 143656 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 09:30:01 ens3 77.57 60.85 619.38 12.08 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:05 lo 196.65 196.65 186.27 186.27 0.00 0.00 0.00 0.00 09:40:05 ens3 89.15 67.20 331.60 24.34 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 98.96 98.96 93.47 93.47 0.00 0.00 0.00 0.00 Average: ens3 83.38 64.03 475.02 18.23 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-32607) 07/03/26 _x86_64_ (4 CPU) 09:12:00 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 33.66 0.00 1.09 0.05 0.06 65.15 09:30:01 0 34.33 0.00 1.07 0.09 0.06 64.46 09:30:01 1 33.27 0.00 1.05 0.06 0.05 65.57 09:30:01 2 33.77 0.00 1.05 0.02 0.06 65.10 09:30:01 3 33.28 0.00 1.18 0.02 0.06 65.46 09:40:05 all 71.04 0.00 2.38 0.08 0.10 26.40 09:40:05 0 72.46 0.00 2.45 0.13 0.11 24.85 09:40:05 1 68.29 0.00 2.33 0.02 0.10 29.25 09:40:05 2 69.39 0.00 2.22 0.07 0.10 28.21 09:40:05 3 74.00 0.00 2.52 0.10 0.11 23.27 Average: all 52.40 0.00 1.74 0.06 0.08 45.72 Average: 0 53.45 0.00 1.76 0.11 0.08 44.60 Average: 1 50.84 0.00 1.69 0.04 0.08 47.35 Average: 2 51.62 0.00 1.64 0.05 0.08 46.62 Average: 3 53.70 0.00 1.85 0.06 0.08 44.30