---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38787 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 11G 67G 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 712 10118 4 5158 14934 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:87:3d:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84386sec preferred_lft 84386sec inet6 fe80::f816:3eff:fe87:3d4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:b2:c5:c7:23:c3 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-38787) 08/19/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:13 21.08 2.95 17.04 1.09 186.50 4137.84 27709.04 15:00:12 10.47 0.47 9.04 0.96 16.35 2227.24 2441.23 15:10:01 41.96 0.63 23.11 18.22 25.02 3794.79 243557.11 Average: 24.37 1.36 16.36 6.65 77.00 3388.91 89859.28 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:13 10648012 13978312 1982516 12.11 127064 3343312 2379828 13.66 525448 4834284 29640 15:00:12 9284840 13261340 2693400 16.45 158452 3893988 2893256 16.61 689388 5963528 19660 15:10:01 10449044 15371432 577356 3.53 181272 4758096 1120268 6.43 942864 4459348 244 Average: 10127299 14203695 1751091 10.69 155596 3998465 2131117 12.23 719233 5085720 16515 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:13 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 14:50:13 ens3 94.78 70.30 1044.09 13.16 0.00 0.00 0.00 0.00 14:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:12 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 15:00:12 ens3 63.44 49.02 134.01 15.39 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1765.31 1765.31 1673.09 1673.09 0.00 0.00 0.00 0.00 15:10:01 ens3 99.77 87.85 446.59 154.69 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 577.81 577.81 547.08 547.08 0.00 0.00 0.00 0.00 Average: ens3 85.96 68.95 545.43 60.18 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-38787) 08/19/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:13 all 28.87 0.00 1.29 1.00 0.08 68.77 14:50:13 0 30.61 0.00 1.38 0.68 0.09 67.23 14:50:13 1 27.95 0.00 1.38 0.95 0.08 69.64 14:50:13 2 28.86 0.00 1.28 0.84 0.08 68.93 14:50:13 3 28.05 0.00 1.10 1.51 0.08 69.26 15:00:12 all 71.46 0.00 2.31 0.75 0.39 25.09 15:00:12 0 68.75 0.00 1.88 1.10 0.39 27.88 15:00:12 1 73.23 0.00 2.52 0.56 0.36 23.33 15:00:12 2 73.66 0.00 2.55 0.55 0.46 22.78 15:00:12 3 70.23 0.00 2.28 0.79 0.33 26.37 15:10:01 all 48.62 0.00 2.48 0.44 0.27 48.19 15:10:01 0 48.62 0.00 2.35 0.86 0.19 47.98 15:10:01 1 50.17 0.00 2.78 0.22 0.33 46.50 15:10:01 2 46.70 0.00 2.32 0.37 0.23 50.38 15:10:01 3 48.97 0.00 2.47 0.33 0.33 47.90 Average: all 49.52 0.00 2.02 0.73 0.25 47.48 Average: 0 49.23 0.00 1.87 0.88 0.22 47.81 Average: 1 50.32 0.00 2.22 0.58 0.25 46.63 Average: 2 49.60 0.00 2.04 0.59 0.26 47.50 Average: 3 48.94 0.00 1.94 0.88 0.25 47.98