---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2274 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 688 10427 4 4873 14958 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:a8:ae:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84142sec preferred_lft 84142sec inet6 fe80::f816:3eff:fea8:ae20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b1:eb:94:f0:17 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-2274) 08/05/26 _x86_64_ (4 CPU) 03:11:53 LINUX RESTART (4 CPU) 03:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:02 9.97 1.88 7.68 0.41 122.95 2167.71 784.28 03:40:02 11.96 0.82 9.96 1.19 29.32 2204.91 3314.87 Average: 10.96 1.35 8.82 0.80 76.13 2186.31 2049.57 03:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:02 10988868 14184936 1777060 10.85 124156 3211144 2114408 12.14 517516 4509356 25912 03:40:02 9022464 13248420 2704664 16.52 164296 4112896 2981832 17.12 755616 6128836 395700 Average: 10005666 13716678 2240862 13.69 144226 3662020 2548120 14.63 636566 5319096 210806 03:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:02 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 03:30:02 ens3 87.54 68.54 729.58 12.64 0.00 0.00 0.00 0.00 03:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:02 lo 147.22 147.22 139.24 139.24 0.00 0.00 0.00 0.00 03:40:02 ens3 81.71 61.51 331.24 18.28 0.00 0.00 0.00 0.00 03:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 73.91 73.91 69.65 69.65 0.00 0.00 0.00 0.00 Average: ens3 84.63 65.02 530.41 15.46 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-2274) 08/05/26 _x86_64_ (4 CPU) 03:11:53 LINUX RESTART (4 CPU) 03:20:02 CPU %user %nice %system %iowait %steal %idle 03:30:02 all 32.51 0.00 1.07 0.03 0.07 66.32 03:30:02 0 32.96 0.00 1.06 0.02 0.06 65.90 03:30:02 1 32.23 0.00 1.10 0.04 0.07 66.57 03:30:02 2 33.48 0.00 1.14 0.05 0.07 65.27 03:30:02 3 31.39 0.00 0.98 0.04 0.06 67.52 03:40:02 all 71.18 0.00 2.39 0.03 0.13 26.28 03:40:02 0 70.37 0.00 2.31 0.04 0.12 27.15 03:40:02 1 70.24 0.00 2.17 0.03 0.13 27.44 03:40:02 2 71.59 0.00 2.59 0.02 0.12 25.67 03:40:02 3 72.51 0.00 2.47 0.04 0.13 24.85 Average: all 51.84 0.00 1.73 0.03 0.10 46.31 Average: 0 51.66 0.00 1.69 0.03 0.09 46.53 Average: 1 51.22 0.00 1.63 0.03 0.10 47.02 Average: 2 52.53 0.00 1.86 0.03 0.10 45.48 Average: 3 51.93 0.00 1.73 0.04 0.10 46.20