---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39142 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 624 10388 4 4976 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:c1:2f:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84766sec preferred_lft 84766sec inet6 fe80::f816:3eff:fec1:2f60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:c8:9e:c0:c0:0e 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-39142) 08/20/26 _x86_64_ (4 CPU) 20:09:04 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:00 19.99 3.04 16.20 0.76 170.26 4161.79 396.87 20:30:00 16.21 0.06 2.79 13.37 3.55 324.19 238950.96 Average: 18.10 1.55 9.49 7.06 86.90 2242.97 119674.91 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:00 10171200 13266608 2697108 16.47 114160 3139088 3012668 17.29 493128 5369276 22712 20:30:00 10556040 13751176 2211468 13.51 117772 3226728 2520720 14.47 521516 4948796 28624 Average: 10363620 13508892 2454288 14.99 115966 3182908 2766694 15.88 507322 5159036 25668 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:00 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 20:20:00 ens3 77.88 62.38 863.50 9.71 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 0.48 0.48 0.36 0.36 0.00 0.00 0.00 0.00 20:30:00 ens3 3.67 2.95 0.85 0.81 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 40.78 32.66 432.17 5.26 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-39142) 08/20/26 _x86_64_ (4 CPU) 20:09:04 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:00 all 50.22 0.00 1.20 0.14 0.09 48.34 20:20:00 0 51.15 0.00 1.20 0.08 0.10 47.47 20:20:00 1 47.85 0.00 1.13 0.10 0.09 50.83 20:20:00 2 47.66 0.00 1.29 0.09 0.10 50.87 20:20:00 3 54.23 0.00 1.20 0.28 0.09 44.20 20:30:00 all 43.18 0.00 0.51 0.03 0.08 56.20 20:30:00 0 26.43 0.00 0.45 0.09 0.08 72.95 20:30:00 1 32.83 0.00 0.41 0.02 0.07 66.68 20:30:00 2 82.89 0.00 0.64 0.01 0.10 16.36 20:30:00 3 30.56 0.00 0.54 0.02 0.08 68.80 Average: all 46.70 0.00 0.86 0.09 0.09 52.27 Average: 0 38.77 0.00 0.82 0.08 0.09 60.23 Average: 1 40.34 0.00 0.77 0.06 0.08 58.75 Average: 2 65.29 0.00 0.96 0.05 0.10 33.60 Average: 3 42.39 0.00 0.87 0.15 0.09 56.50