---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2436 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 674 10442 4 4872 14972 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:6f:70:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83789sec preferred_lft 83789sec inet6 fe80::f816:3eff:fe6f:702f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:c2:01:49:f0:fe 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-2436) 08/06/26 _x86_64_ (4 CPU) 00:00:28 LINUX RESTART (4 CPU) 00:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 2.00 0.09 1.91 0.01 1.83 104.68 0.27 00:30:10 16.40 2.16 13.16 1.08 134.44 3260.94 2572.99 00:40:16 43.00 0.65 24.37 17.98 25.41 4185.89 242304.07 Average: 20.65 0.97 13.26 6.41 54.57 2543.25 82327.04 00:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 12549168 15238120 728204 4.45 111200 2756420 1286512 7.38 376420 3104004 173756 00:30:10 10034532 13613412 2344692 14.32 146136 3531464 2546604 14.62 625920 5304756 50756 00:40:16 10771280 15401064 550052 3.36 174816 4484360 1107220 6.36 905000 4203500 12 Average: 11118327 14750865 1207649 7.38 144051 3590748 1646779 9.45 635780 4204087 74841 00:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 00:20:01 ens3 37.94 33.14 455.71 4.59 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:10 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 00:30:10 ens3 85.06 67.28 351.68 19.40 0.00 0.00 0.00 0.00 00:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:16 lo 1895.48 1895.48 1802.41 1802.41 0.00 0.00 0.00 0.00 00:40:16 ens3 95.97 77.51 431.15 76.35 0.00 0.00 0.00 0.00 00:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 637.74 637.74 605.98 605.98 0.00 0.00 0.00 0.00 Average: ens3 73.37 59.59 412.30 33.72 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-2436) 08/06/26 _x86_64_ (4 CPU) 00:00:28 LINUX RESTART (4 CPU) 00:10:14 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 2.09 0.00 0.17 0.02 0.04 97.69 00:20:01 0 2.14 0.00 0.15 0.06 0.07 97.58 00:20:01 1 2.51 0.00 0.22 0.00 0.03 97.24 00:20:01 2 2.14 0.00 0.19 0.01 0.04 97.63 00:20:01 3 1.55 0.00 0.11 0.00 0.03 98.31 00:30:10 all 72.29 0.00 2.37 0.06 0.14 25.14 00:30:10 0 71.88 0.00 2.47 0.07 0.19 25.40 00:30:10 1 73.14 0.00 2.59 0.10 0.13 24.04 00:30:10 2 73.12 0.00 2.17 0.03 0.12 24.55 00:30:10 3 71.02 0.00 2.24 0.03 0.13 26.58 00:40:16 all 54.88 0.00 2.47 0.17 0.10 42.38 00:40:16 0 55.49 0.00 2.71 0.05 0.09 41.65 00:40:16 1 55.87 0.00 2.24 0.22 0.10 41.57 00:40:16 2 55.30 0.00 2.81 0.12 0.10 41.67 00:40:16 3 52.85 0.00 2.14 0.30 0.09 44.63 Average: all 43.52 0.00 1.68 0.08 0.09 54.62 Average: 0 43.63 0.00 1.79 0.06 0.12 54.40 Average: 1 44.24 0.00 1.70 0.11 0.08 53.87 Average: 2 43.97 0.00 1.74 0.06 0.09 54.15 Average: 3 42.24 0.00 1.51 0.11 0.08 56.05