---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34336 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 634 10255 4 5099 15012 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:ae:44:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84620sec preferred_lft 84620sec inet6 fe80::f816:3eff:feae:445b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:f2:5e:38:02:42 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-34336) 07/09/26 _x86_64_ (4 CPU) 17:19:53 LINUX RESTART (4 CPU) 17:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:05 45.80 11.36 33.51 0.92 1714.46 8689.46 1575.57 17:40:05 2.87 0.06 2.69 0.11 6.71 460.67 14.25 Average: 24.45 5.74 18.19 0.52 865.35 4598.04 799.27 17:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:05 10219224 13337772 2625312 16.03 113500 3167004 3026732 17.37 536772 5276584 1492 17:40:05 9185764 12433808 3528380 21.55 117764 3281892 3721876 21.36 565464 6263524 156 Average: 9702494 12885790 3076846 18.79 115632 3224448 3374304 19.37 551118 5770054 824 17:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:05 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 17:30:05 ens3 116.54 87.50 1006.85 15.16 0.00 0.00 0.00 0.00 17:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:05 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 17:40:05 ens3 8.13 6.30 34.55 1.32 0.00 0.00 0.00 0.00 17:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 62.64 47.13 523.41 8.28 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-34336) 07/09/26 _x86_64_ (4 CPU) 17:19:53 LINUX RESTART (4 CPU) 17:20:00 CPU %user %nice %system %iowait %steal %idle 17:30:05 all 37.78 0.00 1.24 1.70 0.09 59.19 17:30:05 0 39.97 0.00 1.40 3.39 0.10 55.14 17:30:05 1 38.42 0.00 1.35 1.61 0.09 58.52 17:30:05 2 32.79 0.00 0.96 0.97 0.08 65.20 17:30:05 3 39.94 0.00 1.24 0.82 0.10 57.90 17:40:05 all 44.26 0.00 0.56 0.13 0.10 54.94 17:40:05 0 45.25 0.00 0.53 0.01 0.10 54.12 17:40:05 1 57.76 0.00 0.66 0.13 0.13 41.32 17:40:05 2 35.67 0.00 0.53 0.29 0.09 63.41 17:40:05 3 38.39 0.00 0.53 0.10 0.09 60.89 Average: all 41.00 0.00 0.90 0.92 0.10 57.08 Average: 0 42.60 0.00 0.97 1.70 0.10 54.63 Average: 1 48.04 0.00 1.01 0.88 0.11 49.97 Average: 2 34.23 0.00 0.75 0.63 0.09 64.31 Average: 3 39.17 0.00 0.89 0.46 0.09 59.39