---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25132 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 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 655 10470 4 4862 14990 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:ee:43:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84805sec preferred_lft 84805sec inet6 fe80::f816:3eff:feee:4314/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:11:e1:6a:39:34 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-25132) 06/05/26 _x86_64_ (4 CPU) 14:24:20 LINUX RESTART (4 CPU) 14:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:03 11.00 0.47 9.40 1.13 18.16 2205.47 2765.23 14:50:00 27.52 0.71 22.70 4.11 23.55 3652.03 5203.57 Average: 19.24 0.59 16.04 2.62 20.85 2927.21 3981.80 14:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:03 9759848 13469196 2486728 15.19 149440 3635608 2855040 16.39 689260 5492944 22956 14:50:00 10803584 15423364 526376 3.21 177076 4460996 1041372 5.98 940528 4105376 3112 Average: 10281716 14446280 1506552 9.20 163258 4048302 1948206 11.18 814894 4799160 13034 14:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:03 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 14:40:03 ens3 62.74 49.35 101.95 17.58 0.00 0.00 0.00 0.00 14:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 1684.99 1684.99 1593.09 1593.09 0.00 0.00 0.00 0.00 14:50:00 ens3 120.23 106.99 416.84 190.38 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.43 841.43 794.92 794.92 0.00 0.00 0.00 0.00 Average: ens3 91.43 78.11 259.06 103.80 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-25132) 06/05/26 _x86_64_ (4 CPU) 14:24:20 LINUX RESTART (4 CPU) 14:30:03 CPU %user %nice %system %iowait %steal %idle 14:40:03 all 72.48 0.00 2.23 0.03 0.11 25.15 14:40:03 0 74.61 0.00 2.37 0.03 0.11 22.89 14:40:03 1 73.66 0.00 2.43 0.02 0.11 23.79 14:40:03 2 71.44 0.00 2.29 0.04 0.11 26.12 14:40:03 3 70.20 0.00 1.84 0.03 0.11 27.82 14:50:00 all 40.96 0.00 2.00 0.07 0.08 56.89 14:50:00 0 43.64 0.00 1.88 0.02 0.08 54.38 14:50:00 1 39.93 0.00 2.33 0.09 0.08 57.57 14:50:00 2 41.21 0.00 1.95 0.05 0.08 56.72 14:50:00 3 39.07 0.00 1.85 0.11 0.08 58.89 Average: all 56.76 0.00 2.12 0.05 0.09 40.98 Average: 0 59.16 0.00 2.12 0.02 0.09 38.60 Average: 1 56.83 0.00 2.38 0.06 0.09 40.64 Average: 2 56.34 0.00 2.12 0.04 0.09 41.40 Average: 3 54.69 0.00 1.84 0.07 0.09 43.30