---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12654 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 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 704 9832 4 5451 14941 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:cd:11:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84830sec preferred_lft 84830sec inet6 fe80::f816:3eff:fecd:1198/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:48:24:d7:67:03 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-12654) 11/22/25 _x86_64_ (4 CPU) 11:09:29 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 65.29 4.90 46.94 13.46 728.18 7590.43 250333.85 11:30:15 31.59 0.07 28.21 3.32 1.63 4933.33 19934.36 Average: 48.26 2.45 37.47 8.34 360.95 6247.41 133878.93 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 9490916 13353868 2601680 15.89 152212 3808392 2815060 16.16 908444 5552796 10968 11:30:15 7889640 13188516 2760404 16.86 181052 5140616 3197596 18.35 1210420 6772724 343008 Average: 8690278 13271192 2681042 16.37 166632 4474504 3006328 17.26 1059432 6162760 176988 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 728.06 728.06 693.14 693.14 0.00 0.00 0.00 0.00 11:20:01 ens3 104.97 79.50 1103.26 16.10 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:15 lo 1461.68 1461.68 1392.62 1392.62 0.00 0.00 0.00 0.00 11:30:15 ens3 34.91 29.06 218.24 7.45 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.87 1098.87 1046.69 1046.69 0.00 0.00 0.00 0.00 Average: ens3 69.56 54.01 655.93 11.73 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-12654) 11/22/25 _x86_64_ (4 CPU) 11:09:29 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 61.41 0.00 2.30 0.37 0.09 35.83 11:20:01 0 62.08 0.00 2.31 0.21 0.10 35.31 11:20:01 1 64.77 0.00 2.35 0.56 0.10 32.22 11:20:01 2 59.95 0.00 2.20 0.52 0.09 37.24 11:20:01 3 58.82 0.00 2.34 0.19 0.09 38.56 11:30:15 all 55.66 0.00 2.34 0.11 0.09 41.80 11:30:15 0 56.19 0.00 2.41 0.11 0.09 41.20 11:30:15 1 53.59 0.00 2.13 0.11 0.09 44.08 11:30:15 2 54.50 0.00 2.23 0.07 0.09 43.12 11:30:15 3 58.36 0.00 2.59 0.17 0.09 38.79 Average: all 58.50 0.00 2.32 0.24 0.09 38.85 Average: 0 59.11 0.00 2.36 0.16 0.09 38.28 Average: 1 59.13 0.00 2.24 0.33 0.09 38.21 Average: 2 57.19 0.00 2.21 0.29 0.09 40.21 Average: 3 58.59 0.00 2.46 0.18 0.09 38.68