---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39702 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 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 673 8747 4 6568 14973 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:4e:98:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fe4e:98a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:35:ea:2d:ba:c1 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-39702) 08/21/26 _x86_64_ (4 CPU) 18:02:34 LINUX RESTART (4 CPU) 18:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:05 39.66 0.03 23.24 16.39 0.67 2097.05 245325.22 18:30:06 20.99 0.03 19.06 1.90 0.64 3947.93 19131.63 Average: 30.36 0.03 21.16 9.17 0.66 3019.35 132612.33 18:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:05 9039840 12861520 3095408 18.91 146460 3779104 3109912 17.85 723700 6205836 24608 18:30:06 5314572 10094580 5858244 35.78 158484 4684072 5554260 31.88 992508 9595144 336 Average: 7177206 11478050 4476826 27.34 152472 4231588 4332086 24.87 858104 7900490 12472 18:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:05 lo 1714.70 1714.70 1629.74 1629.74 0.00 0.00 0.00 0.00 18:20:05 ens3 23.93 19.14 10.43 6.33 0.00 0.00 0.00 0.00 18:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:06 lo 880.97 880.97 5108.39 5108.39 0.00 0.00 0.00 0.00 18:30:06 ens3 21.62 18.48 32.75 5.81 0.00 0.00 0.00 0.00 18:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1299.25 1299.25 3363.16 3363.16 0.00 0.00 0.00 0.00 Average: ens3 22.78 18.81 21.55 6.07 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-39702) 08/21/26 _x86_64_ (4 CPU) 18:02:34 LINUX RESTART (4 CPU) 18:10:01 CPU %user %nice %system %iowait %steal %idle 18:20:05 all 64.22 0.00 2.36 0.43 0.10 32.90 18:20:05 0 64.61 0.00 2.45 0.59 0.10 32.25 18:20:05 1 64.37 0.00 2.50 0.22 0.10 32.81 18:20:05 2 62.75 0.00 2.20 0.32 0.10 34.62 18:20:05 3 65.16 0.00 2.27 0.57 0.10 31.91 18:30:06 all 52.09 0.00 1.86 0.10 0.09 45.87 18:30:06 0 50.88 0.00 2.09 0.15 0.09 46.80 18:30:06 1 52.07 0.00 1.80 0.06 0.09 45.97 18:30:06 2 56.30 0.00 1.83 0.11 0.08 41.67 18:30:06 3 49.09 0.00 1.72 0.08 0.09 49.02 Average: all 58.17 0.00 2.11 0.26 0.09 39.36 Average: 0 57.77 0.00 2.27 0.37 0.09 39.50 Average: 1 58.24 0.00 2.16 0.14 0.10 39.37 Average: 2 59.54 0.00 2.02 0.22 0.09 38.14 Average: 3 57.15 0.00 1.99 0.33 0.09 40.44