---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2400 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 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 658 9770 4 5559 14988 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:63:0e:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84360sec preferred_lft 84360sec inet6 fe80::f816:3eff:fe63:eec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:86:d7:f2:06:90 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-2400) 08/05/26 _x86_64_ (4 CPU) 18:21:25 LINUX RESTART (4 CPU) 18:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:10 42.98 0.02 36.48 6.48 0.56 1452.65 125603.89 18:50:01 33.95 0.20 29.20 4.55 6.07 6166.43 41965.16 Average: 38.50 0.11 32.87 5.52 3.29 3790.98 84113.73 18:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:10 9306192 12893928 3064440 18.72 157356 3551144 3314424 19.02 701804 5964536 852 18:50:01 7783296 12938736 3011020 18.39 186140 5008756 3084176 17.70 1270384 6837000 4248 Average: 8544744 12916332 3037730 18.55 171748 4279950 3199300 18.36 986094 6400768 2550 18:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:10 lo 45.75 45.75 11.04 11.04 0.00 0.00 0.00 0.00 18:40:10 ens3 11.45 9.41 9.73 3.03 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2016.01 2016.01 1916.21 1916.21 0.00 0.00 0.00 0.00 18:50:01 ens3 72.00 57.61 518.39 13.95 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1023.12 1023.12 956.13 956.13 0.00 0.00 0.00 0.00 Average: ens3 41.48 33.32 262.06 8.44 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-2400) 08/05/26 _x86_64_ (4 CPU) 18:21:25 LINUX RESTART (4 CPU) 18:30:08 CPU %user %nice %system %iowait %steal %idle 18:40:10 all 20.10 0.00 0.90 0.25 0.09 78.66 18:40:10 0 20.36 0.00 0.78 0.15 0.08 78.62 18:40:10 1 19.54 0.00 0.93 0.11 0.09 79.33 18:40:10 2 19.90 0.00 1.00 0.63 0.09 78.39 18:40:10 3 20.61 0.00 0.90 0.09 0.09 78.31 18:50:01 all 46.51 0.00 2.34 0.09 0.09 50.98 18:50:01 0 46.08 0.00 2.27 0.04 0.09 51.51 18:50:01 1 46.77 0.00 2.41 0.03 0.09 50.70 18:50:01 2 47.26 0.00 2.70 0.22 0.10 49.73 18:50:01 3 45.90 0.00 1.97 0.06 0.09 51.97 Average: all 33.20 0.00 1.61 0.17 0.09 64.93 Average: 0 33.11 0.00 1.52 0.10 0.09 65.19 Average: 1 33.05 0.00 1.66 0.07 0.09 65.13 Average: 2 33.47 0.00 1.84 0.42 0.09 64.18 Average: 3 33.16 0.00 1.43 0.08 0.09 65.24