---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40215 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 11G 67G 14% / 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 651 10312 4 5025 14995 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:6a:90:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84656sec preferred_lft 84656sec inet6 fe80::f816:3eff:fe6a:9075/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:68:fe:4c:31:2c 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-40215) 08/23/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 9.41 2.18 7.00 0.23 132.44 2218.07 143.96 00:50:08 10.64 0.51 9.48 0.65 19.03 1720.31 3145.55 Average: 10.03 1.35 8.24 0.44 75.70 1969.01 1645.80 00:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 9377300 12482684 3480468 21.26 114788 3147564 3621836 20.79 495152 6156596 152 00:50:08 10065424 13588308 2371240 14.48 132412 3520432 2510784 14.41 663420 5248872 11144 Average: 9721362 13035496 2925854 17.87 123600 3333998 3066310 17.60 579286 5702734 5648 00:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 00:40:07 ens3 60.24 49.13 684.65 8.24 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 186.79 186.79 177.45 177.45 0.00 0.00 0.00 0.00 00:50:08 ens3 40.30 26.66 407.99 3.66 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 93.80 93.80 88.98 88.98 0.00 0.00 0.00 0.00 Average: ens3 50.26 37.89 546.23 5.95 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-40215) 08/23/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:07 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 51.58 0.00 0.98 0.05 0.08 47.32 00:40:07 0 45.75 0.00 0.92 0.04 0.09 53.20 00:40:07 1 46.26 0.00 0.92 0.06 0.08 52.66 00:40:07 2 55.37 0.00 0.97 0.03 0.08 43.55 00:40:07 3 58.94 0.00 1.08 0.05 0.08 39.84 00:50:08 all 51.08 0.00 0.82 0.04 0.08 47.98 00:50:08 0 37.30 0.00 0.88 0.08 0.09 61.65 00:50:08 1 36.92 0.00 0.98 0.02 0.07 62.00 00:50:08 2 74.44 0.00 0.75 0.01 0.08 24.71 00:50:08 3 55.60 0.00 0.66 0.04 0.08 43.61 Average: all 51.33 0.00 0.90 0.04 0.08 47.65 Average: 0 41.52 0.00 0.90 0.06 0.09 57.43 Average: 1 41.60 0.00 0.95 0.04 0.08 57.33 Average: 2 64.91 0.00 0.86 0.02 0.08 34.12 Average: 3 57.27 0.00 0.87 0.04 0.08 41.73