---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5678 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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 13G 65G 17% / 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 644 9302 4 6041 15001 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:9f:b8:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.122/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe9f:b812/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:05:b5:f2:e6:24 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 5.15.0-179-generic (prd-ubuntu2204-docker-v1-8c-8g-5678) 05/31/26 _x86_64_ (4 CPU) 18:54:23 LINUX RESTART (4 CPU) 19:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:14 38.76 2.29 35.63 0.84 129.79 1564.45 617.23 19:20:07 28.17 2.06 25.48 0.63 122.97 13329.42 6740.17 Average: 33.52 2.17 30.61 0.74 126.42 7379.48 3643.59 19:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:14 12969596 15494300 484232 2.96 103808 2613856 1002564 5.75 341260 2750280 275320 19:20:07 9495284 15326456 622300 3.80 188712 5680584 1121852 6.44 1153572 5209204 140 Average: 11232440 15410378 553266 3.38 146260 4147220 1062208 6.10 747416 3979742 137730 19:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:14 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 19:10:14 ens3 32.23 22.99 243.93 7.79 0.00 0.00 0.00 0.00 19:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:07 lo 12.15 12.15 1.17 1.17 0.00 0.00 0.00 0.00 19:20:07 ens3 260.84 243.06 1125.44 279.13 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.13 6.13 0.59 0.59 0.00 0.00 0.00 0.00 Average: ens3 145.22 131.76 679.63 141.90 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 5.15.0-179-generic (prd-ubuntu2204-docker-v1-8c-8g-5678) 05/31/26 _x86_64_ (4 CPU) 18:54:23 LINUX RESTART (4 CPU) 19:00:07 CPU %user %nice %system %iowait %steal %idle 19:10:14 all 2.38 0.00 0.30 0.30 0.03 97.00 19:10:14 0 0.69 0.00 0.19 0.05 0.02 99.04 19:10:14 1 2.03 0.00 0.37 0.76 0.02 96.83 19:10:14 2 4.14 0.00 0.33 0.11 0.04 95.38 19:10:14 3 2.64 0.00 0.31 0.27 0.02 96.76 19:20:07 all 43.89 0.00 2.82 0.21 0.08 52.99 19:20:07 0 40.09 0.00 2.69 0.25 0.08 56.89 19:20:07 1 41.51 0.00 2.81 0.19 0.08 55.40 19:20:07 2 49.56 0.00 2.88 0.15 0.08 47.33 19:20:07 3 44.39 0.00 2.90 0.27 0.09 52.35 Average: all 22.83 0.00 1.54 0.26 0.06 75.32 Average: 0 20.13 0.00 1.43 0.15 0.05 78.25 Average: 1 21.48 0.00 1.57 0.48 0.05 76.42 Average: 2 26.49 0.00 1.58 0.13 0.06 71.74 Average: 3 23.23 0.00 1.59 0.27 0.06 74.86