---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1722 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 10G 68G 13% / 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 678 10444 4 4866 14968 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:67:3f:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83783sec preferred_lft 83783sec inet6 fe80::f816:3eff:fe67:3f27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:f8:04:67:07:c5 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-1722) 10/07/25 _x86_64_ (4 CPU) 21:20:19 LINUX RESTART (4 CPU) 21:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:00 1.63 0.01 1.61 0.01 0.04 20.53 784.98 21:50:00 1.49 0.00 1.49 0.00 0.00 16.47 0.00 22:00:18 55.31 4.16 48.26 2.90 335.50 6366.96 1614.91 Average: 19.84 1.42 17.44 0.99 114.11 2177.51 808.17 21:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:00 13307888 15510120 502580 3.07 60428 2365028 1125188 6.46 465784 2333048 8 21:50:00 13307412 15510224 502476 3.07 61012 2365036 1125188 6.46 466356 2333732 8 22:00:18 11168944 15261704 693728 4.24 154756 4024972 1359160 7.80 736080 4039320 12 Average: 12594748 15427349 566261 3.46 92065 2918345 1203179 6.91 556073 2902033 9 21:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:40:00 ens3 0.28 0.10 0.07 0.04 0.00 0.00 0.00 0.00 21:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:50:00 ens3 0.18 0.07 0.05 0.02 0.00 0.00 0.00 0.00 21:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:18 lo 4.19 4.19 0.77 0.77 0.00 0.00 0.00 0.00 22:00:18 ens3 56.21 44.81 469.75 9.75 0.00 0.00 0.00 0.00 22:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.49 1.49 0.27 0.27 0.00 0.00 0.00 0.00 Average: ens3 19.27 15.30 159.79 3.33 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-1722) 10/07/25 _x86_64_ (4 CPU) 21:20:19 LINUX RESTART (4 CPU) 21:30:00 CPU %user %nice %system %iowait %steal %idle 21:40:00 all 0.05 0.00 0.02 0.01 0.02 99.89 21:40:00 0 0.02 0.00 0.03 0.03 0.02 99.92 21:40:00 1 0.03 0.00 0.02 0.00 0.01 99.94 21:40:00 2 0.15 0.00 0.03 0.01 0.03 99.79 21:40:00 3 0.01 0.00 0.02 0.03 0.02 99.93 21:50:00 all 0.13 0.00 0.03 0.01 0.02 99.82 21:50:00 0 0.03 0.00 0.04 0.03 0.03 99.88 21:50:00 1 0.03 0.00 0.01 0.01 0.01 99.94 21:50:00 2 0.43 0.00 0.03 0.00 0.02 99.53 21:50:00 3 0.02 0.00 0.02 0.00 0.02 99.94 22:00:18 all 8.90 0.00 0.85 0.42 0.05 89.78 22:00:18 0 9.75 0.00 0.97 0.47 0.06 88.75 22:00:18 1 7.30 0.00 0.69 0.48 0.04 91.49 22:00:18 2 8.63 0.00 0.86 0.55 0.04 89.92 22:00:18 3 9.94 0.00 0.88 0.18 0.05 88.94 Average: all 3.09 0.00 0.31 0.15 0.03 96.43 Average: 0 3.33 0.00 0.35 0.18 0.03 96.11 Average: 1 2.50 0.00 0.25 0.17 0.02 97.07 Average: 2 3.13 0.00 0.31 0.19 0.03 96.34 Average: 3 3.39 0.00 0.31 0.07 0.03 96.20