---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37560 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 625 10488 4 4875 15021 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:fb:5a:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84461sec preferred_lft 84461sec inet6 fe80::f816:3eff:fefb:5af4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:a6:4a:c2:14:3c 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-37560) 08/14/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:16 8.34 1.90 6.28 0.16 123.72 1586.61 264.70 15:50:12 10.38 0.49 8.88 1.00 18.66 2297.51 815.71 Average: 9.36 1.20 7.58 0.58 71.41 1940.61 539.08 15:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:16 11239000 14266908 1696684 10.36 118948 3063084 2201340 12.64 481048 4312756 37028 15:50:12 9889992 13576152 2380876 14.54 149964 3626536 2593608 14.89 650136 5406348 24516 Average: 10564496 13921530 2038780 12.45 134456 3344810 2397474 13.76 565592 4859552 30772 15:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:16 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 15:40:16 ens3 64.57 52.43 721.47 8.63 0.00 0.00 0.00 0.00 15:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:12 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 15:50:12 ens3 46.91 40.42 90.56 12.93 0.00 0.00 0.00 0.00 15:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 55.78 46.45 407.30 10.77 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-37560) 08/14/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:15 CPU %user %nice %system %iowait %steal %idle 15:40:16 all 16.07 0.00 0.59 0.03 0.04 83.26 15:40:16 0 16.79 0.00 0.50 0.02 0.04 82.66 15:40:16 1 15.97 0.00 0.58 0.04 0.05 83.36 15:40:16 2 16.41 0.00 0.64 0.05 0.03 82.85 15:40:16 3 15.10 0.00 0.65 0.02 0.04 84.18 15:50:12 all 72.88 0.00 2.35 0.03 0.10 24.63 15:50:12 0 73.79 0.00 2.43 0.02 0.10 23.66 15:50:12 1 72.49 0.00 2.28 0.03 0.10 25.09 15:50:12 2 71.48 0.00 2.23 0.05 0.11 26.14 15:50:12 3 73.76 0.00 2.47 0.02 0.10 23.65 Average: all 44.34 0.00 1.47 0.03 0.07 54.09 Average: 0 45.12 0.00 1.46 0.02 0.07 53.33 Average: 1 44.11 0.00 1.43 0.04 0.08 54.35 Average: 2 43.82 0.00 1.43 0.05 0.07 54.63 Average: 3 44.30 0.00 1.55 0.02 0.07 54.05