---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18764 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 15% / 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 700 9821 4 5466 14946 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:a4:9a:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:fea4:9a5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:7b:cf:2f:84:c9 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18764) 01/06/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:16 26.02 3.62 20.80 1.60 375.27 5170.20 3399.30 06:50:15 33.12 0.06 29.42 3.64 1.32 3126.71 15863.75 07:00:17 20.73 0.19 17.56 2.98 13.18 5653.62 4577.01 Average: 26.61 1.31 22.57 2.73 131.83 4656.22 7902.51 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:16 9950504 13471916 2485396 15.18 151684 3473864 2734780 15.70 743028 5239336 12484 06:50:15 8884952 12959064 2994632 18.29 175288 3958148 3216480 18.46 892664 6121640 20344 07:00:17 10058720 15305640 641568 3.92 202172 5030224 1195764 6.86 996188 4773132 14328 Average: 9631392 13912207 2040532 12.46 176381 4154079 2382341 13.67 877293 5378036 15719 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:16 lo 571.15 571.15 543.80 543.80 0.00 0.00 0.00 0.00 06:40:16 ens3 96.48 73.00 708.94 17.08 0.00 0.00 0.00 0.00 06:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:15 lo 1655.00 1655.00 1576.84 1576.84 0.00 0.00 0.00 0.00 06:50:15 ens3 50.61 37.58 117.51 11.31 0.00 0.00 0.00 0.00 06:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:17 lo 11.87 11.87 2.76 2.76 0.00 0.00 0.00 0.00 07:00:17 ens3 77.39 71.35 125.78 227.03 0.00 0.00 0.00 0.00 07:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.34 743.34 705.27 705.27 0.00 0.00 0.00 0.00 Average: ens3 75.02 60.77 320.44 84.79 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18764) 01/06/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:16 all 53.89 0.00 2.02 0.09 0.08 43.92 06:40:16 0 56.35 0.00 1.81 0.07 0.08 41.70 06:40:16 1 53.67 0.00 1.95 0.05 0.08 44.26 06:40:16 2 53.46 0.00 2.22 0.10 0.08 44.15 06:40:16 3 52.08 0.00 2.11 0.15 0.07 45.59 06:50:15 all 59.95 0.00 2.59 0.08 0.08 37.30 06:50:15 0 61.13 0.00 2.79 0.09 0.08 35.90 06:50:15 1 60.99 0.00 2.50 0.05 0.08 36.38 06:50:15 2 58.46 0.00 2.46 0.10 0.08 38.90 06:50:15 3 59.23 0.00 2.60 0.06 0.09 38.02 07:00:17 all 45.65 0.00 1.61 0.12 0.07 52.55 07:00:17 0 39.63 0.00 1.47 0.17 0.07 58.66 07:00:17 1 49.33 0.00 1.53 0.08 0.07 48.98 07:00:17 2 46.61 0.00 1.78 0.07 0.08 51.46 07:00:17 3 47.04 0.00 1.65 0.17 0.07 51.07 Average: all 53.15 0.00 2.07 0.10 0.08 44.60 Average: 0 52.37 0.00 2.02 0.11 0.08 45.42 Average: 1 54.64 0.00 1.99 0.06 0.08 43.23 Average: 2 52.83 0.00 2.15 0.09 0.08 44.85 Average: 3 52.76 0.00 2.12 0.13 0.08 44.91