---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32637 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 13G 65G 17% / 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 679 8260 4 7049 14967 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:85:f8:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83820sec preferred_lft 83820sec inet6 fe80::f816:3eff:fe85:f8cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:78:53:e9:a3:5c 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-32637) 08/10/26 _x86_64_ (4 CPU) 19:30:46 LINUX RESTART (4 CPU) 19:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:12 19.67 0.07 17.38 2.23 6.61 2027.60 5048.29 20:00:12 34.04 0.04 30.62 3.38 0.95 4522.00 7996.81 20:10:01 9.84 0.15 8.41 1.29 9.87 6752.02 3678.38 Average: 21.24 0.08 18.85 2.31 5.79 4407.20 5582.05 19:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:12 9769456 13534564 2422712 14.80 146248 3722352 2812680 16.14 722244 5471436 25636 20:00:12 8106804 12888124 3063932 18.71 164544 4676060 3313788 19.02 1004112 6808672 1712 20:10:01 8493900 15352052 594104 3.63 184412 6665776 1110108 6.37 1757196 5562660 345096 Average: 8790053 13924913 2026916 12.38 165068 5021396 2412192 13.85 1161184 5947589 124148 19:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:12 lo 1033.13 1033.13 977.77 977.77 0.00 0.00 0.00 0.00 19:50:12 ens3 43.69 34.62 44.38 11.04 0.00 0.00 0.00 0.00 19:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:12 lo 1496.18 1496.18 1422.64 1422.64 0.00 0.00 0.00 0.00 20:00:12 ens3 45.67 35.39 26.25 12.69 0.00 0.00 0.00 0.00 20:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 2586.36 2586.36 9448.46 9448.46 0.00 0.00 0.00 0.00 20:10:01 ens3 28.05 26.96 130.10 191.03 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 Average: lo 1696.47 1696.47 3902.00 3902.00 0.00 0.00 0.00 0.00 Average: ens3 39.23 32.37 66.43 70.58 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-32637) 08/10/26 _x86_64_ (4 CPU) 19:30:46 LINUX RESTART (4 CPU) 19:40:01 CPU %user %nice %system %iowait %steal %idle 19:50:12 all 64.97 0.00 2.11 0.05 0.10 32.76 19:50:12 0 64.81 0.00 2.27 0.08 0.10 32.74 19:50:12 1 64.74 0.00 1.75 0.05 0.10 33.35 19:50:12 2 63.79 0.00 2.18 0.05 0.10 33.87 19:50:12 3 66.55 0.00 2.23 0.04 0.10 31.08 20:00:12 all 60.19 0.00 2.62 0.12 0.10 36.98 20:00:12 0 58.99 0.00 2.76 0.19 0.10 37.96 20:00:12 1 58.52 0.00 2.87 0.09 0.10 38.42 20:00:12 2 61.03 0.00 2.35 0.13 0.10 36.39 20:00:12 3 62.21 0.00 2.49 0.06 0.10 35.14 20:10:01 all 32.31 0.00 1.39 0.14 0.08 66.09 20:10:01 0 29.00 0.00 2.01 0.03 0.08 68.87 20:10:01 1 30.06 0.00 1.10 0.41 0.08 68.36 20:10:01 2 29.57 0.00 1.08 0.03 0.08 69.25 20:10:01 3 40.63 0.00 1.36 0.08 0.08 57.85 Average: all 52.65 0.00 2.04 0.10 0.09 45.11 Average: 0 51.09 0.00 2.35 0.10 0.09 46.36 Average: 1 51.28 0.00 1.91 0.18 0.09 46.54 Average: 2 51.63 0.00 1.87 0.07 0.09 46.33 Average: 3 56.60 0.00 2.03 0.06 0.09 41.21