---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22945 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 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 637 10989 4 4361 15009 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:d3:b7:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84870sec preferred_lft 84870sec inet6 fe80::f816:3eff:fed3:b749/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:72:ab:9f:47:4b 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-22945) 01/07/26 _x86_64_ (4 CPU) 21:55:28 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:04 63.97 2.86 40.37 20.74 540.94 4725.89 276809.20 22:20:10 29.47 0.19 25.26 4.02 12.27 3169.29 10214.96 Average: 46.68 1.52 32.80 12.36 275.96 3945.69 143185.55 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:04 10454732 13902228 2055980 12.56 157620 3411784 2248580 12.91 708844 4820328 51704 22:20:10 11336380 15442924 509928 3.11 195540 3979676 1033004 5.93 904120 3678164 13372 Average: 10895556 14672576 1282954 7.84 176580 3695730 1640792 9.42 806482 4249246 32538 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:04 lo 3888.96 3888.96 3706.90 3706.90 0.00 0.00 0.00 0.00 22:10:04 ens3 139.28 102.64 720.52 28.97 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:10 lo 2039.17 2039.17 1927.87 1927.87 0.00 0.00 0.00 0.00 22:20:10 ens3 130.96 123.76 129.06 182.59 0.00 0.00 0.00 0.00 22:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2961.80 2961.80 2815.21 2815.21 0.00 0.00 0.00 0.00 Average: ens3 135.11 113.23 424.06 105.97 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-22945) 01/07/26 _x86_64_ (4 CPU) 21:55:28 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:04 all 67.23 0.00 4.02 0.34 0.16 28.25 22:10:04 0 66.77 0.00 3.68 0.33 0.16 29.06 22:10:04 1 67.48 0.00 4.01 0.37 0.16 27.98 22:10:04 2 67.29 0.00 3.96 0.33 0.16 28.25 22:10:04 3 67.38 0.00 4.41 0.33 0.16 27.71 22:20:10 all 44.16 0.00 2.45 0.18 0.12 53.10 22:20:10 0 38.05 0.00 2.36 0.26 0.11 59.22 22:20:10 1 48.23 0.00 2.59 0.17 0.13 48.89 22:20:10 2 44.52 0.00 2.38 0.18 0.12 52.80 22:20:10 3 45.87 0.00 2.45 0.10 0.13 51.46 Average: all 55.65 0.00 3.23 0.26 0.14 40.72 Average: 0 52.34 0.00 3.02 0.29 0.13 44.21 Average: 1 57.82 0.00 3.30 0.27 0.15 38.47 Average: 2 55.86 0.00 3.17 0.25 0.14 40.58 Average: 3 56.59 0.00 3.42 0.22 0.14 39.63