---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38154 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5600.00 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 67G 15% / 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 717 9543 4 5728 14929 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:2a:59:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe2a:59a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:4d:cf:5b:62:f1 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38154) 08/16/26 _x86_64_ (4 CPU) 14:07:16 LINUX RESTART (4 CPU) 14:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:06 26.94 2.64 22.32 1.98 146.61 4909.71 9660.25 14:30:01 32.59 0.05 29.24 3.31 1.57 6184.21 27679.81 Average: 29.75 1.35 25.76 2.64 74.45 5543.79 18625.24 14:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:06 9669772 13468324 2487508 15.19 157088 3725504 2703268 15.52 712316 5534104 12840 14:30:01 7720948 12982204 2967156 18.12 185260 5085748 3167972 18.18 1024880 7106076 36800 Average: 8695360 13225264 2727332 16.66 171174 4405626 2935620 16.85 868598 6320090 24820 14:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:06 lo 921.90 921.90 878.27 878.27 0.00 0.00 0.00 0.00 14:20:06 ens3 104.17 83.38 807.37 18.44 0.00 0.00 0.00 0.00 14:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1334.10 1334.10 1271.07 1271.07 0.00 0.00 0.00 0.00 14:30:01 ens3 64.67 50.20 237.33 13.90 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1126.98 1126.98 1073.69 1073.69 0.00 0.00 0.00 0.00 Average: ens3 84.52 66.88 523.77 16.18 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38154) 08/16/26 _x86_64_ (4 CPU) 14:07:16 LINUX RESTART (4 CPU) 14:10:05 CPU %user %nice %system %iowait %steal %idle 14:20:06 all 64.89 0.00 2.24 0.07 0.11 32.69 14:20:06 0 63.38 0.00 2.03 0.04 0.11 34.43 14:20:06 1 66.50 0.00 2.20 0.04 0.11 31.16 14:20:06 2 65.31 0.00 2.15 0.09 0.10 32.35 14:20:06 3 64.38 0.00 2.58 0.11 0.12 32.82 14:30:01 all 56.83 0.00 2.39 0.11 0.10 40.58 14:30:01 0 57.18 0.00 2.44 0.19 0.10 40.10 14:30:01 1 56.42 0.00 2.34 0.07 0.10 41.07 14:30:01 2 55.68 0.00 2.31 0.07 0.10 41.84 14:30:01 3 58.02 0.00 2.46 0.13 0.10 39.29 Average: all 60.88 0.00 2.31 0.09 0.10 36.61 Average: 0 60.30 0.00 2.23 0.11 0.10 37.25 Average: 1 61.48 0.00 2.27 0.05 0.10 36.09 Average: 2 60.52 0.00 2.23 0.08 0.10 37.08 Average: 3 61.21 0.00 2.52 0.12 0.11 36.04