---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7018 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 663 10608 4 4717 14983 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:8d:54:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:fe8d:54ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:d5:f7:50:0e:44 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-7018) 04/23/26 _x86_64_ (4 CPU) 09:21:39 LINUX RESTART (4 CPU) 09:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:19 11.58 0.44 10.04 1.11 16.07 2255.83 2247.81 09:50:15 29.84 0.75 24.83 4.26 26.01 3913.45 10175.48 Average: 20.63 0.59 17.36 2.67 20.99 3077.06 6175.40 09:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:19 10129524 13629768 2328096 14.22 144524 3459120 2518888 14.46 631620 5206732 36512 09:50:15 10880884 15351636 599468 3.66 172104 4338484 1097480 6.30 892580 4087960 12 Average: 10505204 14490702 1463782 8.94 158314 3898802 1808184 10.38 762100 4647346 18262 09:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:19 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 09:40:19 ens3 69.00 54.90 102.20 23.53 0.00 0.00 0.00 0.00 09:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:15 lo 1781.13 1781.13 1689.60 1689.60 0.00 0.00 0.00 0.00 09:50:15 ens3 100.63 89.45 408.75 143.81 0.00 0.00 0.00 0.00 09:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 883.14 883.14 837.15 837.15 0.00 0.00 0.00 0.00 Average: ens3 84.67 72.02 254.07 83.12 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-7018) 04/23/26 _x86_64_ (4 CPU) 09:21:39 LINUX RESTART (4 CPU) 09:30:11 CPU %user %nice %system %iowait %steal %idle 09:40:19 all 71.15 0.00 2.29 0.60 0.11 25.85 09:40:19 0 70.90 0.00 2.04 0.63 0.10 26.32 09:40:19 1 71.57 0.00 2.46 0.83 0.11 25.03 09:40:19 2 69.72 0.00 2.50 0.68 0.11 26.98 09:40:19 3 72.40 0.00 2.16 0.28 0.11 25.06 09:50:15 all 50.49 0.00 2.33 0.24 0.08 46.85 09:50:15 0 48.60 0.00 2.04 0.30 0.08 48.98 09:50:15 1 49.28 0.00 2.55 0.11 0.08 47.99 09:50:15 2 51.89 0.00 2.51 0.34 0.08 45.18 09:50:15 3 52.21 0.00 2.24 0.21 0.08 45.26 Average: all 60.92 0.00 2.31 0.42 0.09 36.25 Average: 0 59.85 0.00 2.04 0.46 0.09 37.55 Average: 1 60.53 0.00 2.51 0.47 0.09 36.40 Average: 2 60.89 0.00 2.50 0.51 0.09 36.00 Average: 3 62.40 0.00 2.20 0.25 0.10 35.06