---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34217 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 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 711 9223 4 6053 14934 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:52:22:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84564sec preferred_lft 84564sec inet6 fe80::f816:3eff:fe52:229d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:62:a2:b2:01:0f 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-34217) 08/11/26 _x86_64_ (4 CPU) 05:12:44 LINUX RESTART (4 CPU) 05:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:15 11.16 0.02 9.45 1.69 0.57 715.43 23833.76 05:40:01 53.14 12.50 35.04 5.60 146.19 8462.82 24786.50 Average: 31.89 6.18 22.09 3.62 72.48 4541.38 24304.26 05:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:15 9892200 13463124 2496180 15.25 131196 3552980 2787832 16.00 677320 5400392 356 05:40:01 9535920 15369824 577048 3.52 175260 5650048 1096540 6.29 1595952 4693140 24588 Average: 9714060 14416474 1536614 9.39 153228 4601514 1942186 11.15 1136636 5046766 12472 05:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:15 lo 52.16 52.16 13.14 13.14 0.00 0.00 0.00 0.00 05:30:15 ens3 8.02 6.21 7.97 2.02 0.00 0.00 0.00 0.00 05:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 2500.17 2500.17 2404.01 2404.01 0.00 0.00 0.00 0.00 05:40:01 ens3 82.85 64.00 487.48 15.85 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1261.08 1261.08 1193.84 1193.84 0.00 0.00 0.00 0.00 Average: ens3 44.98 34.75 244.77 8.85 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-34217) 08/11/26 _x86_64_ (4 CPU) 05:12:44 LINUX RESTART (4 CPU) 05:20:15 CPU %user %nice %system %iowait %steal %idle 05:30:15 all 16.95 0.00 0.85 0.08 0.09 82.03 05:30:15 0 16.74 0.00 0.92 0.03 0.09 82.21 05:30:15 1 17.25 0.00 0.96 0.24 0.09 81.47 05:30:15 2 16.58 0.00 0.79 0.03 0.09 82.51 05:30:15 3 17.23 0.00 0.72 0.03 0.09 81.92 05:40:01 all 53.21 0.08 2.87 0.26 0.10 43.48 05:40:01 0 54.77 0.08 3.29 0.23 0.10 41.54 05:40:01 1 51.52 0.08 2.93 0.54 0.10 44.82 05:40:01 2 53.50 0.12 2.54 0.16 0.10 43.58 05:40:01 3 53.04 0.02 2.74 0.12 0.10 43.99 Average: all 34.86 0.04 1.85 0.17 0.09 62.99 Average: 0 35.53 0.04 2.09 0.13 0.09 62.11 Average: 1 34.18 0.04 1.93 0.39 0.09 63.36 Average: 2 34.82 0.06 1.65 0.09 0.09 63.28 Average: 3 34.91 0.01 1.72 0.07 0.09 63.20