---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38950 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 10G 68G 13% / 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 648 11032 4 4308 14998 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:4a:db:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84116sec preferred_lft 84116sec inet6 fe80::f816:3eff:fe4a:dba4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:a3:45:c3:42:08 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-38950) 08/20/26 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:42 4.82 0.21 4.22 0.39 25.03 749.03 30861.07 03:20:23 1.19 0.01 1.18 0.00 0.06 14.54 0.00 03:30:01 51.00 5.10 43.00 2.91 293.58 5350.11 9310.19 Average: 18.48 1.72 15.69 1.07 103.23 1989.83 13976.35 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:42 13520548 15511552 502704 3.07 59608 2155312 1145812 6.58 215704 2379636 8 03:20:23 13518844 15510216 504116 3.08 59952 2155324 1145812 6.58 216052 2380152 12 03:30:01 10580616 13998788 1962128 11.98 134048 3434096 2159940 12.40 576272 4859072 23460 Average: 12540003 15006852 989649 6.04 84536 2581577 1483855 8.52 336009 3206287 7827 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:42 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 03:10:42 ens3 20.96 6.94 304.48 0.50 0.00 0.00 0.00 0.00 03:10:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:20:23 ens3 0.26 0.13 0.07 0.04 0.00 0.00 0.00 0.00 03:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 lo 615.38 615.38 586.10 586.10 0.00 0.00 0.00 0.00 03:30:01 ens3 135.30 100.83 1135.12 20.47 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 197.75 197.75 188.27 188.27 0.00 0.00 0.00 0.00 Average: ens3 51.00 34.90 473.02 6.77 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-38950) 08/20/26 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:42 all 0.50 0.00 0.13 0.09 0.02 99.26 03:10:42 0 0.29 0.00 0.12 0.12 0.02 99.46 03:10:42 1 0.44 0.00 0.15 0.09 0.02 99.31 03:10:42 2 0.35 0.00 0.13 0.11 0.03 99.39 03:10:42 3 0.94 0.00 0.11 0.03 0.02 98.91 03:20:23 all 0.22 0.00 0.04 0.08 0.02 99.65 03:20:23 0 0.17 0.00 0.03 0.24 0.01 99.55 03:20:23 1 0.43 0.00 0.06 0.04 0.02 99.45 03:20:23 2 0.15 0.00 0.03 0.02 0.01 99.79 03:20:23 3 0.12 0.00 0.05 0.01 0.01 99.81 03:30:01 all 37.81 0.00 1.85 2.04 0.10 58.21 03:30:01 0 36.56 0.00 1.50 1.03 0.10 60.81 03:30:01 1 37.21 0.00 1.63 2.69 0.10 58.37 03:30:01 2 39.79 0.00 1.81 1.55 0.10 56.75 03:30:01 3 37.69 0.00 2.45 2.87 0.09 56.89 Average: all 12.37 0.00 0.65 0.71 0.04 86.23 Average: 0 11.88 0.00 0.53 0.45 0.04 87.10 Average: 1 12.22 0.00 0.59 0.91 0.04 86.23 Average: 2 12.94 0.00 0.64 0.54 0.05 85.83 Average: 3 12.44 0.00 0.84 0.93 0.04 85.74