---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2676 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 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 684 10291 4 5012 14962 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:0e:16:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84063sec preferred_lft 84063sec inet6 fe80::f816:3eff:fe0e:16b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:6d:29:04:8e:10 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-2676) 08/06/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:04 17.12 0.25 3.46 13.41 208.17 316.16 240506.67 15:50:00 15.85 1.99 12.89 0.97 131.05 3054.74 2486.45 16:00:01 37.68 0.95 32.24 4.49 33.86 4311.31 3621.01 Average: 23.58 1.06 16.22 6.30 124.28 2560.91 82326.18 15:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:04 12860964 15496608 476144 2.91 101712 2721420 991116 5.69 407548 2766868 192 15:50:00 10045176 13636400 2322716 14.19 142584 3559876 2620540 15.04 645564 5281576 25200 16:00:01 10607524 15380576 570576 3.48 176364 4622636 1099772 6.31 969484 4292304 78220 Average: 11171221 14837861 1123145 6.86 140220 3634644 1570476 9.01 674199 4113583 34537 15:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:04 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 15:40:04 ens3 30.14 23.10 332.43 2.47 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:00 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 15:50:00 ens3 105.15 82.11 619.13 19.76 0.00 0.00 0.00 0.00 15:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1706.81 1706.81 1626.80 1626.80 0.00 0.00 0.00 0.00 16:00:01 ens3 86.13 65.84 450.89 18.41 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 571.51 571.51 544.32 544.32 0.00 0.00 0.00 0.00 Average: ens3 73.75 56.97 467.13 13.53 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-2676) 08/06/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:04 CPU %user %nice %system %iowait %steal %idle 15:40:04 all 0.38 0.00 0.10 0.21 0.02 99.29 15:40:04 0 0.49 0.00 0.11 0.43 0.01 98.97 15:40:04 1 0.19 0.00 0.09 0.01 0.02 99.69 15:40:04 2 0.58 0.00 0.12 0.10 0.02 99.17 15:40:04 3 0.25 0.00 0.09 0.28 0.02 99.35 15:50:00 all 65.17 0.00 2.14 0.72 0.12 31.86 15:50:00 0 64.62 0.00 2.15 2.24 0.12 30.88 15:50:00 1 65.06 0.00 2.10 0.04 0.11 32.68 15:50:00 2 65.83 0.00 2.35 0.16 0.12 31.54 15:50:00 3 65.17 0.00 1.95 0.43 0.12 32.34 16:00:01 all 66.57 0.00 2.85 0.08 0.12 30.37 16:00:01 0 68.19 0.00 2.93 0.06 0.12 28.70 16:00:01 1 66.00 0.00 3.11 0.07 0.12 30.70 16:00:01 2 64.24 0.00 2.79 0.07 0.12 32.78 16:00:01 3 67.86 0.00 2.60 0.10 0.12 29.32 Average: all 43.98 0.00 1.70 0.33 0.09 53.90 Average: 0 44.37 0.00 1.73 0.90 0.08 52.91 Average: 1 43.69 0.00 1.76 0.04 0.09 54.42 Average: 2 43.50 0.00 1.75 0.11 0.09 54.55 Average: 3 44.37 0.00 1.54 0.27 0.09 53.74