---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46134 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 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 692 9239 4 6057 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:ac:79:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84501sec preferred_lft 84501sec inet6 fe80::f816:3eff:feac:7993/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:ba:56:d3:94:2d 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-46134) 08/30/26 _x86_64_ (4 CPU) 16:14:15 LINUX RESTART (4 CPU) 16:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:17 15.63 0.02 12.95 2.66 0.58 980.67 32172.85 16:40:15 27.12 0.18 23.14 3.80 5.33 2294.47 27932.29 Average: 21.38 0.10 18.05 3.23 2.95 1638.03 30051.08 16:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:17 9422308 13007724 2949452 18.01 134912 3562148 3236056 18.57 681940 5866356 640 16:40:15 8417016 13077272 2874680 17.56 157748 4561252 2965036 17.02 1059488 6435456 578284 Average: 8919662 13042498 2912066 17.79 146330 4061700 3100546 17.80 870714 6150906 289462 16:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:17 lo 37.63 37.63 8.92 8.92 0.00 0.00 0.00 0.00 16:30:17 ens3 11.18 8.43 12.36 3.15 0.00 0.00 0.00 0.00 16:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:15 lo 1763.02 1763.02 1661.39 1661.39 0.00 0.00 0.00 0.00 16:40:15 ens3 53.30 39.25 377.54 11.09 0.00 0.00 0.00 0.00 16:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 900.93 900.93 835.74 835.74 0.00 0.00 0.00 0.00 Average: ens3 32.25 23.85 195.08 7.12 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46134) 08/30/26 _x86_64_ (4 CPU) 16:14:15 LINUX RESTART (4 CPU) 16:20:20 CPU %user %nice %system %iowait %steal %idle 16:30:17 all 24.03 0.00 1.06 0.12 0.02 74.77 16:30:17 0 25.42 0.00 1.06 0.15 0.02 73.35 16:30:17 1 23.75 0.00 1.05 0.05 0.02 75.12 16:30:17 2 23.39 0.00 1.06 0.10 0.01 75.45 16:30:17 3 23.57 0.00 1.07 0.18 0.01 75.16 16:40:15 all 40.37 0.00 2.34 0.09 0.02 57.18 16:40:15 0 41.44 0.00 2.13 0.06 0.02 56.35 16:40:15 1 39.57 0.00 2.50 0.12 0.02 57.80 16:40:15 2 41.06 0.00 2.11 0.06 0.02 56.76 16:40:15 3 39.41 0.00 2.64 0.10 0.02 57.83 Average: all 32.20 0.00 1.70 0.10 0.02 65.97 Average: 0 33.43 0.00 1.60 0.10 0.02 64.85 Average: 1 31.66 0.00 1.77 0.09 0.02 66.46 Average: 2 32.23 0.00 1.58 0.08 0.01 66.09 Average: 3 31.50 0.00 1.85 0.14 0.02 66.49