---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39758 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 10G 68G 13% / 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 666 10873 4 4449 14980 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:d9:4c:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84805sec preferred_lft 84805sec inet6 fe80::f816:3eff:fed9:4c37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:d5:28:36:92:f0 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-39758) 08/21/26 _x86_64_ (4 CPU) 21:55:24 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:15 58.66 2.53 35.70 20.42 139.31 4314.78 239301.20 22:20:17 31.12 0.16 25.79 5.17 10.46 3368.37 4044.58 Average: 45.02 1.36 30.79 12.87 75.52 3846.25 122835.90 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:15 10513404 13975024 1982972 12.11 164316 3405732 2219300 12.74 586344 4865208 37760 22:20:17 11164240 15356992 596296 3.64 204112 4039840 1105976 6.35 795816 3916732 240 Average: 10838822 14666008 1289634 7.88 184214 3722786 1662638 9.54 691080 4390970 19000 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:15 lo 3887.30 3887.30 3706.80 3706.80 0.00 0.00 0.00 0.00 22:10:15 ens3 162.58 124.00 799.18 31.88 0.00 0.00 0.00 0.00 22:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:17 lo 2379.07 2379.07 2253.54 2253.54 0.00 0.00 0.00 0.00 22:20:17 ens3 118.11 108.93 148.07 158.14 0.00 0.00 0.00 0.00 22:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3140.65 3140.65 2987.36 2987.36 0.00 0.00 0.00 0.00 Average: ens3 140.57 116.54 476.84 94.39 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-39758) 08/21/26 _x86_64_ (4 CPU) 21:55:24 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:15 all 58.25 0.00 3.58 0.11 0.09 37.96 22:10:15 0 57.85 0.00 3.50 0.09 0.09 38.46 22:10:15 1 58.55 0.00 4.04 0.16 0.09 37.16 22:10:15 2 57.76 0.00 3.24 0.13 0.09 38.77 22:10:15 3 58.86 0.00 3.54 0.07 0.10 37.44 22:20:17 all 40.57 0.00 2.41 0.09 0.08 56.85 22:20:17 0 42.64 0.00 2.48 0.05 0.08 54.76 22:20:17 1 40.79 0.00 2.00 0.04 0.08 57.09 22:20:17 2 41.82 0.00 2.78 0.08 0.08 55.23 22:20:17 3 37.02 0.00 2.39 0.18 0.07 60.34 Average: all 49.50 0.00 3.00 0.10 0.09 47.32 Average: 0 50.31 0.00 2.99 0.07 0.08 46.54 Average: 1 49.75 0.00 3.03 0.10 0.09 47.03 Average: 2 49.86 0.00 3.02 0.11 0.09 46.93 Average: 3 48.06 0.00 2.97 0.12 0.09 48.76