---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34048 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 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 682 10427 4 4879 14963 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:4c:a6:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84385sec preferred_lft 84385sec inet6 fe80::f816:3eff:fe4c:a616/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c8:1b:e0:cc:e0 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-34048) 08/10/26 _x86_64_ (4 CPU) 20:33:25 LINUX RESTART (4 CPU) 20:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:16 11.26 1.87 8.74 0.65 122.62 2577.03 1175.98 21:00:15 25.68 0.83 21.46 3.38 29.45 3245.45 3713.67 Average: 18.45 1.35 15.09 2.01 76.11 2910.69 2442.73 20:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:16 10493500 13803048 2157480 13.18 130272 3306144 2809168 16.12 543544 4961848 23512 21:00:15 8914404 13179960 2772428 16.93 167288 4146952 3033368 17.41 775540 6216588 114280 Average: 9703952 13491504 2464954 15.05 148780 3726548 2921268 16.77 659542 5589218 68896 20:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:16 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 20:50:16 ens3 86.80 70.99 665.51 15.08 0.00 0.00 0.00 0.00 20:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:15 lo 1729.31 1729.31 1649.01 1649.01 0.00 0.00 0.00 0.00 21:00:15 ens3 83.58 63.70 336.55 17.98 0.00 0.00 0.00 0.00 21:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 863.67 863.67 823.19 823.19 0.00 0.00 0.00 0.00 Average: ens3 85.20 67.35 501.30 16.52 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-34048) 08/10/26 _x86_64_ (4 CPU) 20:33:25 LINUX RESTART (4 CPU) 20:40:14 CPU %user %nice %system %iowait %steal %idle 20:50:16 all 45.95 0.00 1.59 0.03 0.09 52.34 20:50:16 0 45.66 0.00 1.78 0.05 0.08 52.43 20:50:16 1 45.21 0.00 1.25 0.03 0.08 53.42 20:50:16 2 47.39 0.00 1.60 0.02 0.09 50.91 20:50:16 3 45.56 0.00 1.73 0.03 0.09 52.60 21:00:15 all 69.06 0.00 2.83 0.05 0.11 27.96 21:00:15 0 66.16 0.00 2.73 0.06 0.11 30.95 21:00:15 1 68.23 0.00 2.57 0.05 0.10 29.05 21:00:15 2 73.79 0.00 3.39 0.04 0.11 22.67 21:00:15 3 68.06 0.00 2.61 0.04 0.11 29.17 Average: all 57.49 0.00 2.21 0.04 0.10 40.17 Average: 0 55.89 0.00 2.25 0.05 0.09 41.71 Average: 1 56.69 0.00 1.91 0.04 0.09 41.26 Average: 2 60.58 0.00 2.49 0.03 0.10 36.80 Average: 3 56.79 0.00 2.17 0.04 0.10 40.91