---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39903 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: 5599.94 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 693 9062 4 6233 14953 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:49:6f:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84308sec preferred_lft 84308sec inet6 fe80::f816:3eff:fe49:6f63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:04:4b:d4:a1:d1 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-39903) 08/22/26 _x86_64_ (4 CPU) 03:20:25 LINUX RESTART (4 CPU) 03:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:00 24.10 0.02 21.65 2.43 0.43 2193.91 7568.32 03:50:00 18.86 0.03 17.12 1.71 0.69 3494.33 5407.65 Average: 21.48 0.03 19.39 2.07 0.56 2844.12 6487.99 03:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:00 8234776 12398344 3556932 21.72 148804 4102912 3544356 20.34 782812 6931456 211708 03:50:00 6113696 10903404 5049752 30.84 156412 4698740 4859072 27.89 1005632 8788608 324 Average: 7174236 11650874 4303342 26.28 152608 4400826 4201714 24.12 894222 7860032 106016 03:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:00 lo 1139.06 1139.06 1084.76 1084.76 0.00 0.00 0.00 0.00 03:40:00 ens3 49.40 37.21 25.50 13.10 0.00 0.00 0.00 0.00 03:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:00 lo 701.97 701.97 2871.69 2871.69 0.00 0.00 0.00 0.00 03:50:00 ens3 26.25 19.44 17.16 7.89 0.00 0.00 0.00 0.00 03:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 920.52 920.52 1978.23 1978.23 0.00 0.00 0.00 0.00 Average: ens3 37.83 28.32 21.33 10.50 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-39903) 08/22/26 _x86_64_ (4 CPU) 03:20:25 LINUX RESTART (4 CPU) 03:30:00 CPU %user %nice %system %iowait %steal %idle 03:40:00 all 67.40 0.00 2.35 0.10 0.12 30.04 03:40:00 0 69.46 0.00 2.67 0.20 0.12 27.54 03:40:00 1 65.89 0.00 2.32 0.04 0.12 31.64 03:40:00 2 67.24 0.00 2.31 0.12 0.12 30.22 03:40:00 3 67.02 0.00 2.09 0.03 0.12 30.74 03:50:00 all 36.96 0.00 1.65 0.06 0.10 61.23 03:50:00 0 33.40 0.00 1.75 0.06 0.11 64.69 03:50:00 1 39.47 0.00 1.46 0.05 0.09 58.93 03:50:00 2 35.84 0.00 1.84 0.07 0.09 62.16 03:50:00 3 39.15 0.00 1.54 0.07 0.10 59.14 Average: all 52.17 0.00 2.00 0.08 0.11 45.64 Average: 0 51.41 0.00 2.21 0.13 0.11 46.14 Average: 1 52.68 0.00 1.89 0.04 0.10 45.28 Average: 2 51.53 0.00 2.07 0.09 0.11 46.19 Average: 3 53.06 0.00 1.82 0.05 0.11 44.97