---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7030 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 9.8G 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 613 11036 4 4339 15033 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:b8:a0:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84522sec preferred_lft 84522sec inet6 fe80::f816:3eff:feb8:a0d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:2c:61:d2:2b:36 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-7030) 11/08/25 _x86_64_ (4 CPU) 08:30:08 LINUX RESTART (4 CPU) 08:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 1.60 0.01 1.57 0.03 0.04 19.90 1199.79 09:00:00 42.42 4.67 36.41 1.33 272.61 3856.97 6232.46 Average: 22.20 2.36 19.15 0.69 137.57 1955.94 3739.08 08:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 13323892 15535064 477284 2.92 61008 2373276 1134692 6.51 472268 2322928 4 09:00:00 11323180 15398924 561296 3.43 119224 4105740 1065456 6.12 925240 3743316 800972 Average: 12323536 15466994 519290 3.17 90116 3239508 1100074 6.31 698754 3033122 400488 08:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 08:50:01 ens3 0.25 0.12 0.07 0.04 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 185.11 185.11 176.09 176.09 0.00 0.00 0.00 0.00 09:00:00 ens3 104.48 77.13 975.74 14.55 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 93.44 93.44 88.85 88.85 0.00 0.00 0.00 0.00 Average: ens3 52.84 38.98 492.35 7.36 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-7030) 11/08/25 _x86_64_ (4 CPU) 08:30:08 LINUX RESTART (4 CPU) 08:40:13 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 0.04 0.00 0.02 0.01 0.01 99.91 08:50:01 0 0.02 0.00 0.02 0.04 0.01 99.93 08:50:01 1 0.06 0.00 0.03 0.00 0.01 99.90 08:50:01 2 0.02 0.00 0.02 0.01 0.01 99.95 08:50:01 3 0.08 0.00 0.02 0.00 0.01 99.89 09:00:00 all 16.50 0.00 0.87 0.38 0.04 82.21 09:00:00 0 16.07 0.00 0.77 0.59 0.04 82.53 09:00:00 1 15.69 0.00 0.91 0.23 0.05 83.13 09:00:00 2 16.33 0.00 0.77 0.14 0.04 82.71 09:00:00 3 17.92 0.00 1.03 0.56 0.04 80.46 Average: all 8.34 0.00 0.45 0.20 0.02 90.98 Average: 0 8.12 0.00 0.40 0.32 0.02 91.15 Average: 1 7.94 0.00 0.47 0.12 0.03 91.44 Average: 2 8.24 0.00 0.40 0.07 0.03 91.26 Average: 3 9.07 0.00 0.53 0.28 0.02 90.09