---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-333 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: 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 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 12G 66G 16% / 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 663 8598 4 6727 14983 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:86:6c:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84082sec preferred_lft 84082sec inet6 fe80::f816:3eff:fe86:6ccb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:b5:9c:79:09:eb 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-333) 10/20/25 _x86_64_ (4 CPU) 08:19:29 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:15 13.73 5.86 7.21 0.66 1644.98 2929.47 22356.36 08:40:32 59.62 4.88 51.71 3.03 276.79 5359.98 7739.88 08:50:04 25.44 0.02 22.64 2.78 0.21 2318.50 12272.39 Average: 33.14 3.67 27.32 2.14 655.64 3567.41 14159.92 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:15 13331416 15535508 476956 2.91 60032 2367640 1135140 6.52 466588 2318888 28 08:40:32 9593172 13258112 2699548 16.49 132524 3672668 2732992 15.69 898224 5502244 13484 08:50:04 8944944 13024920 2929956 17.89 151940 4034660 2887080 16.57 1011964 5989800 32808 Average: 10623177 13939513 2035487 12.43 114832 3358323 2251737 12.92 792259 4603644 15440 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:15 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 08:30:15 ens3 28.11 19.88 232.02 2.86 0.00 0.00 0.00 0.00 08:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:32 lo 1260.90 1260.90 1195.42 1195.42 0.00 0.00 0.00 0.00 08:40:32 ens3 121.37 90.24 1003.27 17.74 0.00 0.00 0.00 0.00 08:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:04 lo 1182.44 1182.44 1125.81 1125.81 0.00 0.00 0.00 0.00 08:50:04 ens3 23.03 20.51 22.94 6.90 0.00 0.00 0.00 0.00 08:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 806.18 806.18 765.77 765.77 0.00 0.00 0.00 0.00 Average: ens3 58.41 44.15 429.63 9.23 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-333) 10/20/25 _x86_64_ (4 CPU) 08:19:29 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:15 all 0.70 0.00 0.33 0.47 0.03 98.47 08:30:15 0 0.94 0.00 0.35 1.15 0.02 97.53 08:30:15 1 0.67 0.00 0.28 0.30 0.05 98.70 08:30:15 2 0.66 0.00 0.38 0.23 0.02 98.70 08:30:15 3 0.52 0.00 0.28 0.22 0.02 98.95 08:40:32 all 49.58 0.00 2.14 0.41 0.08 47.79 08:40:32 0 50.50 0.00 2.12 0.59 0.08 46.72 08:40:32 1 48.43 0.00 2.06 0.19 0.08 49.24 08:40:32 2 50.32 0.00 2.30 0.29 0.08 47.01 08:40:32 3 49.08 0.00 2.07 0.57 0.08 48.21 08:50:04 all 65.55 0.00 2.33 0.16 0.10 31.87 08:50:04 0 64.34 0.00 2.23 0.13 0.09 33.20 08:50:04 1 65.12 0.00 2.34 0.24 0.10 32.20 08:50:04 2 66.88 0.00 2.40 0.10 0.10 30.52 08:50:04 3 65.84 0.00 2.34 0.18 0.09 31.55 Average: all 37.95 0.00 1.58 0.35 0.07 60.05 Average: 0 37.96 0.00 1.55 0.63 0.07 59.79 Average: 1 37.44 0.00 1.54 0.24 0.07 60.70 Average: 2 38.60 0.00 1.68 0.21 0.06 59.44 Average: 3 37.79 0.00 1.55 0.33 0.06 60.27