---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3255 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 12G 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 707 9452 4 5829 14939 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:85:eb:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84098sec preferred_lft 84098sec inet6 fe80::f816:3eff:fe85:eb25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:35:b6:42:f2:51 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-3255) 12/02/25 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 17.17 0.47 15.13 1.57 15.77 4394.97 8359.35 20:50:05 58.48 0.00 47.10 11.38 0.00 2888.62 14648.84 21:00:05 27.18 0.12 22.79 4.27 5.77 4567.67 5773.92 Average: 34.27 0.20 28.34 5.74 7.18 3950.41 9594.06 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 8950632 13180828 2771788 16.93 182596 4109644 3084056 17.70 868928 6103848 148328 20:50:05 8415272 12989148 2959960 18.08 209232 4393136 3210376 18.43 962652 6496788 110516 21:00:05 9780104 15380856 563532 3.44 240016 5334408 1097580 6.30 1331576 4684072 420 Average: 9048669 13850277 2098427 12.82 210615 4612396 2464004 14.14 1054385 5761569 86421 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 356.98 356.98 339.17 339.17 0.00 0.00 0.00 0.00 20:40:05 ens3 91.41 68.84 302.07 20.72 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 5621.66 5621.66 5357.21 5357.21 0.00 0.00 0.00 0.00 20:50:05 ens3 81.87 60.42 27.88 20.94 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 1723.37 1723.37 1626.41 1626.41 0.00 0.00 0.00 0.00 21:00:05 ens3 121.77 112.14 123.92 174.14 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2567.35 2567.35 2440.95 2440.95 0.00 0.00 0.00 0.00 Average: ens3 98.35 80.47 151.29 71.93 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-3255) 12/02/25 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 68.42 0.00 2.48 0.46 0.11 28.53 20:40:05 0 69.17 0.00 2.67 0.81 0.11 27.24 20:40:05 1 66.91 0.00 2.01 0.04 0.12 30.92 20:40:05 2 69.35 0.00 2.51 0.85 0.11 27.17 20:40:05 3 68.24 0.00 2.74 0.13 0.11 28.78 20:50:05 all 60.82 0.00 4.18 0.19 0.10 34.71 20:50:05 0 60.74 0.00 4.38 0.12 0.10 34.66 20:50:05 1 59.90 0.00 4.00 0.18 0.10 35.82 20:50:05 2 61.03 0.00 3.81 0.10 0.10 34.95 20:50:05 3 61.59 0.00 4.54 0.35 0.10 33.42 21:00:05 all 45.32 0.00 2.34 0.20 0.09 52.05 21:00:05 0 44.68 0.00 2.27 0.22 0.09 52.73 21:00:05 1 41.97 0.00 2.29 0.05 0.08 55.61 21:00:05 2 45.58 0.00 2.37 0.37 0.09 51.59 21:00:05 3 49.07 0.00 2.43 0.14 0.09 48.27 Average: all 58.18 0.00 3.00 0.28 0.10 38.44 Average: 0 58.19 0.00 3.11 0.38 0.10 38.22 Average: 1 56.26 0.00 2.77 0.09 0.10 40.79 Average: 2 58.65 0.00 2.90 0.44 0.10 37.91 Average: 3 59.64 0.00 3.24 0.21 0.10 36.82