---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5748 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 626 10525 4 4837 15020 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:41:d3:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84854sec preferred_lft 84854sec inet6 fe80::f816:3eff:fe41:d3f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:dc:c1:94:04:ca 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-5748) 01/29/26 _x86_64_ (4 CPU) 14:24:29 LINUX RESTART (4 CPU) 14:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:11 3.73 0.07 3.51 0.15 6.83 609.98 264.36 14:50:01 25.08 0.64 22.03 2.41 31.55 6237.26 5529.24 Average: 14.23 0.35 12.62 1.26 18.98 3376.39 2852.61 14:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:11 9706928 12772016 3191392 19.49 111812 3120692 3412852 19.59 624548 5688296 32 14:50:01 10840748 15437940 519624 3.17 135828 4569992 1052864 6.04 1002680 4128824 25536 Average: 10273838 14104978 1855508 11.33 123820 3845342 2232858 12.82 813614 4908560 12784 14:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:11 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 14:40:11 ens3 8.54 7.26 35.47 2.07 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 466.74 466.74 444.21 444.21 0.00 0.00 0.00 0.00 14:50:01 ens3 50.87 38.40 494.07 18.56 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 229.75 229.75 218.56 218.56 0.00 0.00 0.00 0.00 Average: ens3 29.35 22.57 260.92 10.18 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-5748) 01/29/26 _x86_64_ (4 CPU) 14:24:29 LINUX RESTART (4 CPU) 14:30:01 CPU %user %nice %system %iowait %steal %idle 14:40:11 all 46.81 0.00 0.65 0.39 0.08 52.07 14:40:11 0 38.52 0.00 0.60 0.94 0.08 59.87 14:40:11 1 53.02 0.00 0.58 0.23 0.08 46.08 14:40:11 2 40.41 0.00 0.76 0.26 0.08 58.50 14:40:11 3 55.33 0.00 0.67 0.13 0.08 43.78 14:50:01 all 51.68 0.00 1.47 0.21 0.08 46.56 14:50:01 0 41.09 0.00 1.46 0.05 0.08 57.32 14:50:01 1 45.97 0.00 1.41 0.21 0.07 52.33 14:50:01 2 44.17 0.00 1.67 0.43 0.08 53.66 14:50:01 3 75.49 0.00 1.35 0.14 0.10 22.91 Average: all 49.20 0.00 1.06 0.30 0.08 49.36 Average: 0 39.78 0.00 1.02 0.50 0.08 58.62 Average: 1 49.56 0.00 0.99 0.22 0.08 49.15 Average: 2 42.25 0.00 1.21 0.34 0.08 56.12 Average: 3 65.24 0.00 1.01 0.14 0.09 33.52