---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2997 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: 5599.94 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 15% / 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 680 9308 4 6000 14966 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:90:49:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84483sec preferred_lft 84483sec inet6 fe80::f816:3eff:fe90:4970/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:f9:cb:2e:57:cf 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-2997) 08/07/26 _x86_64_ (4 CPU) 05:12:24 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 11.03 0.02 9.39 1.62 0.59 709.90 25514.30 05:40:01 38.87 0.19 33.94 4.74 5.96 8523.59 31648.64 Average: 24.94 0.11 21.66 3.18 3.27 4614.76 28579.91 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9840404 13436576 2522236 15.40 133268 3572312 2893324 16.61 683216 5446508 15036 05:40:01 6865924 12667532 3278796 20.03 173568 5630660 3391240 19.47 1554372 7403856 10380 Average: 8353164 13052054 2900516 17.72 153418 4601486 3142282 18.04 1118794 6425182 12708 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 55.58 55.58 13.81 13.81 0.00 0.00 0.00 0.00 05:30:02 ens3 7.05 5.51 4.44 1.78 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 2552.57 2552.57 2454.92 2454.92 0.00 0.00 0.00 0.00 05:40:01 ens3 83.43 62.84 475.65 15.12 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1303.44 1303.44 1233.74 1233.74 0.00 0.00 0.00 0.00 Average: ens3 45.22 34.16 239.93 8.44 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-2997) 08/07/26 _x86_64_ (4 CPU) 05:12:24 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 17.12 0.00 0.85 0.05 0.09 81.89 05:30:02 0 17.91 0.00 0.89 0.08 0.09 81.03 05:30:02 1 16.88 0.00 0.87 0.03 0.09 82.14 05:30:02 2 16.19 0.00 0.79 0.03 0.09 82.89 05:30:02 3 17.50 0.00 0.83 0.07 0.09 81.51 05:40:01 all 51.33 0.00 2.77 0.10 0.09 45.72 05:40:01 0 49.86 0.00 2.83 0.04 0.09 47.18 05:40:01 1 51.00 0.00 2.51 0.11 0.09 46.30 05:40:01 2 51.85 0.00 3.01 0.06 0.09 45.00 05:40:01 3 52.61 0.00 2.73 0.17 0.09 44.40 Average: all 34.20 0.00 1.81 0.07 0.09 63.84 Average: 0 33.85 0.00 1.86 0.06 0.09 64.14 Average: 1 33.92 0.00 1.69 0.07 0.09 64.24 Average: 2 34.00 0.00 1.90 0.04 0.09 63.97 Average: 3 35.02 0.00 1.78 0.12 0.09 63.00