---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6815 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 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 695 10420 4 4873 14951 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:c1:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84290sec preferred_lft 84290sec inet6 fe80::f816:3eff:fe4e:c1cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:ce:2b:56:39:78 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-6815) 08/10/26 _x86_64_ (4 CPU) 09:51:29 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:09 11.24 1.88 8.66 0.70 123.16 2623.33 1301.96 10:20:01 25.85 0.84 21.74 3.28 29.93 3238.79 4608.26 Average: 18.50 1.36 15.15 1.98 76.87 2928.93 2943.68 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:09 10348904 13669744 2290832 13.99 130788 3315500 2702852 15.51 545096 5089364 23300 10:20:01 9103080 13287912 2664896 16.28 166772 4069296 2792096 16.03 766400 6034012 34684 Average: 9725992 13478828 2477864 15.13 148780 3692398 2747474 15.77 655748 5561688 28992 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:09 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 10:10:09 ens3 96.23 72.29 642.25 16.31 0.00 0.00 0.00 0.00 10:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1589.82 1589.82 1515.46 1515.46 0.00 0.00 0.00 0.00 10:20:01 ens3 84.53 63.67 341.06 17.99 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.87 789.87 752.54 752.54 0.00 0.00 0.00 0.00 Average: ens3 90.42 68.01 492.70 17.14 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-6815) 08/10/26 _x86_64_ (4 CPU) 09:51:29 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:09 all 48.65 0.00 1.68 0.04 0.09 49.54 10:10:09 0 49.81 0.00 1.55 0.05 0.09 48.50 10:10:09 1 49.52 0.00 1.77 0.02 0.10 48.58 10:10:09 2 47.14 0.00 1.75 0.06 0.09 50.96 10:10:09 3 48.13 0.00 1.65 0.01 0.09 50.12 10:20:01 all 68.61 0.00 2.79 0.05 0.13 28.41 10:20:01 0 70.50 0.00 2.72 0.05 0.12 26.60 10:20:01 1 66.42 0.00 2.59 0.03 0.12 30.84 10:20:01 2 68.27 0.00 2.94 0.04 0.12 28.62 10:20:01 3 69.26 0.00 2.92 0.09 0.16 27.59 Average: all 58.55 0.00 2.23 0.04 0.11 39.06 Average: 0 60.08 0.00 2.13 0.05 0.11 37.63 Average: 1 57.91 0.00 2.18 0.03 0.11 39.77 Average: 2 57.61 0.00 2.34 0.05 0.11 39.89 Average: 3 58.61 0.00 2.28 0.05 0.12 38.94