---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1967 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 11G 68G 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 657 10497 4 4834 14989 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:38:37:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84693sec preferred_lft 84693sec inet6 fe80::f816:3eff:fe38:37c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:fb:40:c1:60:88 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-1967) 01/19/26 _x86_64_ (4 CPU) 09:11:37 LINUX RESTART (4 CPU) 09:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:11 11.58 0.48 9.98 1.12 15.97 2621.29 3012.17 09:40:01 43.03 0.65 23.41 18.97 28.26 3895.82 243941.77 Average: 27.17 0.57 16.63 9.97 22.06 3253.22 122467.72 09:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:11 9713688 13359080 2598356 15.87 146156 3598472 2934016 16.84 780416 5470852 25848 09:40:01 10754724 15350464 599976 3.66 171848 4461876 1131168 6.49 1071200 4079520 14124 Average: 10234206 14354772 1599166 9.77 159002 4030174 2032592 11.67 925808 4775186 19986 09:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:11 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:30:11 ens3 68.96 54.47 141.22 18.45 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1526.90 1526.90 1443.56 1443.56 0.00 0.00 0.00 0.00 09:40:01 ens3 121.05 108.59 424.80 202.62 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 757.76 757.76 715.81 715.81 0.00 0.00 0.00 0.00 Average: ens3 94.79 81.30 281.82 109.76 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-1967) 01/19/26 _x86_64_ (4 CPU) 09:11:37 LINUX RESTART (4 CPU) 09:20:11 CPU %user %nice %system %iowait %steal %idle 09:30:11 all 74.50 0.00 2.18 0.03 0.09 23.20 09:30:11 0 75.07 0.00 2.06 0.05 0.09 22.73 09:30:11 1 75.74 0.00 2.22 0.03 0.09 21.92 09:30:11 2 73.66 0.00 2.14 0.03 0.10 24.07 09:30:11 3 73.52 0.00 2.30 0.02 0.10 24.07 09:40:01 all 47.68 0.00 2.16 0.11 0.08 49.98 09:40:01 0 42.97 0.00 2.06 0.21 0.08 54.69 09:40:01 1 50.74 0.00 2.22 0.04 0.08 46.92 09:40:01 2 49.39 0.00 2.00 0.05 0.08 48.48 09:40:01 3 47.63 0.00 2.36 0.14 0.07 49.80 Average: all 61.19 0.00 2.17 0.07 0.09 36.49 Average: 0 59.11 0.00 2.06 0.13 0.09 38.62 Average: 1 63.34 0.00 2.22 0.03 0.09 34.32 Average: 2 61.63 0.00 2.07 0.04 0.09 36.17 Average: 3 60.68 0.00 2.33 0.08 0.08 36.83