---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2945 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 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 662 10223 4 5103 14984 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:3b:31:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84425sec preferred_lft 84425sec inet6 fe80::f816:3eff:fe3b:31e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:41:27:00:8f:86 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-2945) 12/01/25 _x86_64_ (4 CPU) 18:21:26 LINUX RESTART (4 CPU) 18:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:12 12.34 0.01 10.33 2.00 0.16 678.55 36951.68 18:50:01 34.25 0.20 29.56 4.48 5.21 6493.05 30409.03 Average: 23.19 0.11 19.85 3.23 2.66 3557.27 33712.45 18:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:12 9703392 12855036 3106284 18.97 149648 3142184 3293380 18.90 657544 5636044 376 18:50:01 7448384 12422284 3529204 21.55 184796 4832116 3606576 20.70 1286532 7149484 129508 Average: 8575888 12638660 3317744 20.26 167222 3987150 3449978 19.80 972038 6392764 64942 18:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:12 lo 52.67 52.67 13.41 13.41 0.00 0.00 0.00 0.00 18:40:12 ens3 5.16 3.87 3.65 1.23 0.00 0.00 0.00 0.00 18:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1965.14 1965.14 1878.09 1878.09 0.00 0.00 0.00 0.00 18:50:01 ens3 78.87 60.55 465.77 15.01 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 999.52 999.52 936.60 936.60 0.00 0.00 0.00 0.00 Average: ens3 41.65 31.93 232.44 8.05 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-2945) 12/01/25 _x86_64_ (4 CPU) 18:21:26 LINUX RESTART (4 CPU) 18:30:12 CPU %user %nice %system %iowait %steal %idle 18:40:12 all 13.20 0.00 0.74 0.56 0.07 85.43 18:40:12 0 13.18 0.00 0.71 0.27 0.07 85.77 18:40:12 1 12.83 0.00 0.72 1.52 0.07 84.85 18:40:12 2 13.26 0.00 0.78 0.26 0.07 85.62 18:40:12 3 13.52 0.00 0.75 0.20 0.07 85.45 18:50:01 all 51.60 0.00 2.53 0.34 0.10 45.43 18:50:01 0 50.64 0.00 2.42 0.44 0.10 46.41 18:50:01 1 55.32 0.00 3.03 0.36 0.10 41.18 18:50:01 2 49.65 0.00 2.15 0.25 0.10 47.86 18:50:01 3 50.80 0.00 2.53 0.31 0.10 46.26 Average: all 32.21 0.00 1.63 0.45 0.09 65.63 Average: 0 31.72 0.00 1.56 0.35 0.08 66.29 Average: 1 33.87 0.00 1.87 0.95 0.09 63.23 Average: 2 31.27 0.00 1.46 0.26 0.09 66.93 Average: 3 31.96 0.00 1.63 0.26 0.08 66.07