---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33833 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 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 640 10384 4 4964 15006 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:b0:92:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84870sec preferred_lft 84870sec inet6 fe80::f816:3eff:feb0:92a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:6c:a1:33:08:9c 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33833) 07/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:03 4.42 0.11 4.10 0.20 9.00 693.00 149.11 00:50:03 24.59 0.66 21.83 2.10 28.80 6445.01 14289.59 Average: 14.49 0.39 12.95 1.15 18.88 3564.51 7208.29 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:03 10078812 13190820 2772376 16.93 115852 3149812 2998956 17.21 501184 5433640 23332 00:50:03 10684576 15411456 544556 3.33 138912 4678840 1108876 6.36 894148 4360200 2248 Average: 10381694 14301138 1658466 10.13 127382 3914326 2053916 11.79 697666 4896920 12790 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:03 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:03 ens3 16.60 10.91 36.74 3.15 0.00 0.00 0.00 0.00 00:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:03 lo 506.32 506.32 479.80 479.80 0.00 0.00 0.00 0.00 00:50:03 ens3 67.16 51.18 531.49 70.83 0.00 0.00 0.00 0.00 00:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 253.08 253.08 239.71 239.71 0.00 0.00 0.00 0.00 Average: ens3 41.84 31.01 283.73 36.94 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33833) 07/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:03 all 48.04 0.00 0.80 0.03 0.08 51.05 00:40:03 0 54.09 0.00 0.83 0.03 0.08 44.97 00:40:03 1 46.30 0.00 0.82 0.02 0.08 52.78 00:40:03 2 48.90 0.00 0.78 0.03 0.08 50.21 00:40:03 3 42.86 0.00 0.78 0.02 0.08 56.27 00:50:03 all 52.62 0.00 1.43 0.10 0.08 45.75 00:50:03 0 55.57 0.00 1.39 0.05 0.09 42.90 00:50:03 1 53.57 0.00 1.41 0.16 0.08 44.78 00:50:03 2 45.14 0.00 1.48 0.13 0.09 53.16 00:50:03 3 56.21 0.00 1.45 0.08 0.08 42.18 Average: all 50.33 0.00 1.12 0.07 0.08 48.41 Average: 0 54.83 0.00 1.11 0.04 0.09 43.93 Average: 1 49.93 0.00 1.11 0.09 0.08 48.79 Average: 2 47.03 0.00 1.13 0.08 0.08 51.68 Average: 3 49.52 0.00 1.11 0.05 0.08 49.24