---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37338 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 12G 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 721 9547 4 5719 14924 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:c5:8e:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84429sec preferred_lft 84429sec inet6 fe80::f816:3eff:fec5:8e1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:b2:63:02:55:3d 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-37338) 08/13/26 _x86_64_ (4 CPU) 14:05:24 LINUX RESTART (4 CPU) 14:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:07 23.61 2.69 19.23 1.69 148.10 4818.54 6826.42 14:30:18 34.26 0.06 30.74 3.46 2.19 6165.39 23387.55 Average: 29.02 1.36 25.07 2.59 74.04 5502.12 15231.92 14:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:07 9479148 13255288 2701208 16.50 156072 3705896 2847392 16.34 709044 5753288 15596 14:30:18 7579376 12828144 3121472 19.06 185624 5072964 3270892 18.77 1020976 7258808 27712 Average: 8529262 13041716 2911340 17.78 170848 4389430 3059142 17.56 865010 6506048 21654 14:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:07 lo 736.82 736.82 701.71 701.71 0.00 0.00 0.00 0.00 14:20:07 ens3 106.99 83.01 828.43 17.86 0.00 0.00 0.00 0.00 14:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:18 lo 1504.20 1504.20 1433.55 1433.55 0.00 0.00 0.00 0.00 14:30:18 ens3 53.47 43.78 230.44 12.66 0.00 0.00 0.00 0.00 14:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1126.30 1126.30 1073.15 1073.15 0.00 0.00 0.00 0.00 Average: ens3 79.83 63.10 524.92 15.22 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-37338) 08/13/26 _x86_64_ (4 CPU) 14:05:24 LINUX RESTART (4 CPU) 14:10:15 CPU %user %nice %system %iowait %steal %idle 14:20:07 all 59.82 0.00 2.06 0.07 0.09 37.96 14:20:07 0 58.33 0.00 2.22 0.06 0.09 39.30 14:20:07 1 58.40 0.00 1.90 0.06 0.09 39.55 14:20:07 2 59.91 0.00 2.03 0.06 0.09 37.91 14:20:07 3 62.65 0.00 2.10 0.09 0.09 35.07 14:30:18 all 56.70 0.00 2.48 0.08 0.10 40.64 14:30:18 0 55.10 0.00 2.28 0.08 0.10 42.44 14:30:18 1 56.51 0.00 2.19 0.09 0.10 41.11 14:30:18 2 55.50 0.00 2.78 0.07 0.10 41.55 14:30:18 3 59.70 0.00 2.66 0.09 0.10 37.44 Average: all 58.24 0.00 2.27 0.08 0.10 39.32 Average: 0 56.69 0.00 2.25 0.07 0.10 40.89 Average: 1 57.44 0.00 2.05 0.07 0.10 40.34 Average: 2 57.67 0.00 2.41 0.07 0.10 39.76 Average: 3 61.16 0.00 2.38 0.09 0.10 36.27