---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13214 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 68G 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 641 10478 4 4869 15005 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:6b:2b:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84884sec preferred_lft 84884sec inet6 fe80::f816:3eff:fe6b:2b7f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:1e:f4:4b:aa:26 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-13214) 11/24/25 _x86_64_ (4 CPU) 17:05:42 LINUX RESTART (4 CPU) 17:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:31 24.81 1.35 11.58 11.88 555.91 3918.10 245337.03 17:30:16 25.35 0.59 20.95 3.81 25.14 3876.97 6823.97 Average: 25.07 0.98 16.16 7.93 296.19 3897.97 128625.51 17:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:31 9941436 13617220 2340912 14.30 142092 3638820 2672784 15.34 816760 5216312 29744 17:30:16 10794868 15423816 526880 3.22 165668 4505900 1067816 6.13 1080528 4020912 16464 Average: 10368152 14520518 1433896 8.76 153880 4072360 1870300 10.74 948644 4618612 23104 17:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:31 lo 1.48 1.48 0.16 0.16 0.00 0.00 0.00 0.00 17:20:31 ens3 75.57 60.21 245.99 18.54 0.00 0.00 0.00 0.00 17:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:16 lo 1520.96 1520.96 1438.37 1438.37 0.00 0.00 0.00 0.00 17:30:16 ens3 122.87 108.38 410.89 200.42 0.00 0.00 0.00 0.00 17:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.01 745.01 703.92 703.92 0.00 0.00 0.00 0.00 Average: ens3 98.71 83.78 326.68 107.54 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-13214) 11/24/25 _x86_64_ (4 CPU) 17:05:42 LINUX RESTART (4 CPU) 17:10:20 CPU %user %nice %system %iowait %steal %idle 17:20:31 all 75.14 0.00 2.41 0.10 0.13 22.22 17:20:31 0 76.52 0.00 2.09 0.04 0.13 21.22 17:20:31 1 73.87 0.00 2.63 0.13 0.13 23.24 17:20:31 2 73.11 0.00 2.49 0.17 0.13 24.09 17:20:31 3 77.04 0.00 2.43 0.07 0.13 20.32 17:30:16 all 50.75 0.00 2.21 0.12 0.10 46.82 17:30:16 0 49.99 0.00 1.83 0.06 0.11 48.01 17:30:16 1 54.66 0.00 2.90 0.10 0.10 42.24 17:30:16 2 45.53 0.00 1.93 0.16 0.10 52.29 17:30:16 3 52.80 0.00 2.19 0.16 0.10 44.75 Average: all 63.20 0.00 2.31 0.11 0.12 34.26 Average: 0 63.53 0.00 1.96 0.05 0.12 34.34 Average: 1 64.46 0.00 2.76 0.12 0.12 32.54 Average: 2 59.62 0.00 2.21 0.16 0.12 37.89 Average: 3 65.17 0.00 2.31 0.12 0.12 32.28