---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3263 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 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 640 8999 4 6349 15006 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:23:a8:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84377sec preferred_lft 84377sec inet6 fe80::f816:3eff:fe23:a8c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:1f:d1:01:16:95 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-3263) 08/07/26 _x86_64_ (4 CPU) 22:20:46 LINUX RESTART (4 CPU) 22:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:13 32.95 1.41 31.03 0.52 105.03 1140.96 383.11 22:50:17 34.65 3.37 29.07 2.21 173.95 10132.39 12217.45 Average: 33.81 2.40 30.04 1.37 139.69 5663.57 6335.68 22:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:13 12869168 15428372 550876 3.36 93204 2659448 1157040 6.64 289188 2896412 308996 22:50:17 8338564 13555540 2396888 14.64 146388 5141000 2520964 14.47 1195368 6377844 17648 Average: 10603866 14491956 1473882 9.00 119796 3900224 1839002 10.56 742278 4637128 163322 22:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:13 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 22:40:13 ens3 30.35 21.57 208.54 5.12 0.00 0.00 0.00 0.00 22:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:17 lo 916.53 916.53 873.37 873.37 0.00 0.00 0.00 0.00 22:50:17 ens3 126.89 98.72 1167.63 19.15 0.00 0.00 0.00 0.00 22:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 461.10 461.10 439.31 439.31 0.00 0.00 0.00 0.00 Average: ens3 78.91 60.38 690.95 12.18 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-3263) 08/07/26 _x86_64_ (4 CPU) 22:20:46 LINUX RESTART (4 CPU) 22:30:17 CPU %user %nice %system %iowait %steal %idle 22:40:13 all 2.41 0.00 0.25 0.22 0.03 97.10 22:40:13 0 0.87 0.00 0.16 0.37 0.03 98.57 22:40:13 1 1.22 0.00 0.10 0.02 0.03 98.63 22:40:13 2 1.88 0.00 0.21 0.04 0.03 97.83 22:40:13 3 5.65 0.00 0.51 0.45 0.03 93.36 22:50:17 all 49.79 0.00 2.05 0.11 0.08 47.98 22:50:17 0 49.38 0.00 2.05 0.09 0.07 48.40 22:50:17 1 52.53 0.00 1.89 0.15 0.08 45.36 22:50:17 2 48.97 0.00 2.13 0.05 0.08 48.77 22:50:17 3 48.27 0.00 2.11 0.14 0.08 49.40 Average: all 26.22 0.00 1.15 0.16 0.05 72.42 Average: 0 25.24 0.00 1.11 0.23 0.05 73.37 Average: 1 27.01 0.00 1.00 0.08 0.05 71.86 Average: 2 25.55 0.00 1.18 0.05 0.05 73.17 Average: 3 27.07 0.00 1.31 0.29 0.06 71.27