---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36989 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 12G 66G 16% / 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 649 8828 4 6511 14996 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:72:9a:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84563sec preferred_lft 84563sec inet6 fe80::f816:3eff:fe72:9aa7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:5b:a7:52:ea:f8 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-36989) 08/12/26 _x86_64_ (4 CPU) 19:29:24 LINUX RESTART (4 CPU) 19:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:01 64.66 4.78 56.44 3.45 276.38 6624.30 4790.78 19:50:01 27.91 0.02 25.05 2.83 0.61 2301.48 11514.25 Average: 46.27 2.40 40.73 3.14 138.37 4460.87 8155.65 19:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:01 9990532 13556060 2403088 14.68 133956 3556720 2862004 16.43 654100 5347228 21172 19:50:01 9366984 13343052 2612364 15.96 153984 3913736 2786680 16.00 763488 5825300 23204 Average: 9678758 13449556 2507726 15.32 143970 3735228 2824342 16.21 708794 5586264 22188 19:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:01 lo 1570.15 1570.15 1489.83 1489.83 0.00 0.00 0.00 0.00 19:40:01 ens3 134.19 101.19 1255.57 18.25 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 1372.49 1372.49 1306.95 1306.95 0.00 0.00 0.00 0.00 19:50:01 ens3 27.69 22.15 21.91 6.60 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1471.22 1471.22 1398.30 1398.30 0.00 0.00 0.00 0.00 Average: ens3 80.89 61.63 638.17 12.42 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-36989) 08/12/26 _x86_64_ (4 CPU) 19:29:24 LINUX RESTART (4 CPU) 19:30:01 CPU %user %nice %system %iowait %steal %idle 19:40:01 all 63.65 0.00 2.66 0.31 0.13 33.25 19:40:01 0 62.74 0.00 3.14 0.43 0.12 33.57 19:40:01 1 63.43 0.00 2.64 0.52 0.13 33.29 19:40:01 2 62.73 0.00 2.39 0.14 0.12 34.62 19:40:01 3 65.68 0.00 2.49 0.17 0.13 31.54 19:50:01 all 67.54 0.00 2.36 0.06 0.11 29.93 19:50:01 0 68.28 0.00 1.95 0.10 0.11 29.56 19:50:01 1 66.60 0.00 2.36 0.07 0.11 30.87 19:50:01 2 67.49 0.00 3.01 0.03 0.11 29.37 19:50:01 3 67.80 0.00 2.15 0.04 0.10 29.91 Average: all 65.60 0.00 2.51 0.19 0.12 31.59 Average: 0 65.52 0.00 2.55 0.26 0.12 31.56 Average: 1 65.01 0.00 2.50 0.29 0.12 32.08 Average: 2 65.11 0.00 2.70 0.09 0.11 31.99 Average: 3 66.74 0.00 2.32 0.10 0.12 30.72