---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3457 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 8.6G 69G 12% / 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 602 12585 4 2801 15055 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:d7:62:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85030sec preferred_lft 85030sec inet6 fe80::f816:3eff:fed7:62b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:21:b3:ce:5a:7d 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-3457) 08/08/26 _x86_64_ (4 CPU) 10:48:25 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:15 11.00 0.94 9.48 0.58 35.18 1695.67 661.62 11:10:19 1.98 0.01 1.96 0.00 0.17 23.02 0.20 Average: 6.53 0.48 5.75 0.30 17.83 866.75 333.84 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:15 12907740 15419196 560552 3.42 91944 2613712 1156628 6.64 310748 2828160 8 11:10:19 12908388 15420760 559040 3.41 92820 2613744 1157316 6.64 311764 2830332 8 Average: 12908064 15419978 559796 3.42 92382 2613728 1156972 6.64 311256 2829246 8 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:15 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 11:00:15 ens3 8.25 4.96 136.93 1.40 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:19 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:10:19 ens3 0.32 0.14 0.09 0.05 0.00 0.00 0.00 0.00 11:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 4.32 2.57 69.12 0.73 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-3457) 08/08/26 _x86_64_ (4 CPU) 10:48:25 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:15 all 1.06 0.00 0.22 0.07 0.03 98.63 11:00:15 0 0.56 0.00 0.15 0.03 0.04 99.23 11:00:15 1 2.18 0.00 0.40 0.18 0.02 97.22 11:00:15 2 0.92 0.00 0.17 0.03 0.04 98.85 11:00:15 3 0.57 0.00 0.15 0.02 0.02 99.24 11:10:19 all 0.04 0.00 0.04 0.01 0.03 99.89 11:10:19 0 0.04 0.00 0.04 0.00 0.03 99.88 11:10:19 1 0.04 0.00 0.03 0.03 0.02 99.88 11:10:19 2 0.04 0.00 0.04 0.00 0.04 99.88 11:10:19 3 0.02 0.00 0.04 0.00 0.02 99.92 Average: all 0.55 0.00 0.13 0.04 0.03 99.25 Average: 0 0.30 0.00 0.09 0.02 0.04 99.55 Average: 1 1.12 0.00 0.22 0.11 0.02 98.54 Average: 2 0.48 0.00 0.10 0.02 0.04 99.36 Average: 3 0.30 0.00 0.09 0.01 0.02 99.57