---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2131 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 661 10435 4 4891 14985 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:25:bb:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84033sec preferred_lft 84033sec inet6 fe80::f816:3eff:fe25:bbc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:37:83:84:8e:46 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-2131) 08/04/26 _x86_64_ (4 CPU) 19:42:33 LINUX RESTART (4 CPU) 19:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:05 7.10 1.84 5.09 0.17 121.73 1489.74 519.57 20:10:01 10.93 0.48 9.35 1.11 19.20 2252.48 2484.55 20:20:01 28.50 0.60 23.66 4.23 22.78 4035.97 12837.29 Average: 15.50 0.98 12.69 1.84 54.77 2591.43 5277.77 19:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:05 11066168 14089068 1874560 11.45 118704 3059340 2360036 13.55 479932 4484712 49224 20:10:01 9697640 13354836 2602640 15.90 148532 3601096 2810060 16.13 645168 5615312 24552 20:20:01 10738528 15388580 562216 3.43 176748 4501708 1112892 6.39 903720 4233272 136 Average: 10500779 14277495 1679805 10.26 147995 3720715 2094329 12.02 676273 4777765 24637 19:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:05 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 20:00:05 ens3 65.02 53.02 718.98 8.62 0.00 0.00 0.00 0.00 20:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 20:10:01 ens3 61.71 50.89 93.85 17.54 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 1857.58 1857.58 1760.03 1760.03 0.00 0.00 0.00 0.00 20:20:01 ens3 114.23 98.39 465.60 148.03 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 619.97 619.97 586.93 586.93 0.00 0.00 0.00 0.00 Average: ens3 80.33 67.44 427.42 58.06 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-2131) 08/04/26 _x86_64_ (4 CPU) 19:42:33 LINUX RESTART (4 CPU) 19:50:01 CPU %user %nice %system %iowait %steal %idle 20:00:05 all 14.86 0.00 0.55 0.12 0.04 84.43 20:00:05 0 14.89 0.00 0.45 0.08 0.05 84.53 20:00:05 1 15.19 0.00 0.56 0.09 0.04 84.13 20:00:05 2 14.63 0.00 0.67 0.25 0.03 84.42 20:00:05 3 14.74 0.00 0.53 0.06 0.04 84.63 20:10:01 all 72.07 0.00 2.24 0.34 0.12 25.23 20:10:01 0 69.19 0.00 2.00 0.18 0.13 28.51 20:10:01 1 75.15 0.00 2.70 0.37 0.11 21.68 20:10:01 2 74.14 0.00 2.14 0.39 0.11 23.22 20:10:01 3 69.81 0.00 2.13 0.44 0.11 27.50 20:20:01 all 47.17 0.00 2.24 0.25 0.10 50.25 20:20:01 0 46.33 0.00 2.25 0.28 0.10 51.03 20:20:01 1 45.61 0.00 2.16 0.15 0.09 51.99 20:20:01 2 48.33 0.00 2.45 0.40 0.10 48.72 20:20:01 3 48.41 0.00 2.08 0.17 0.10 49.24 Average: all 44.56 0.00 1.67 0.24 0.08 53.45 Average: 0 43.36 0.00 1.56 0.18 0.09 54.81 Average: 1 45.15 0.00 1.80 0.20 0.08 52.77 Average: 2 45.56 0.00 1.75 0.35 0.08 52.26 Average: 3 44.17 0.00 1.58 0.22 0.08 53.95