---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1182 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 688 10265 4 5034 14958 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:28:b7:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fe28:b7d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:fc:4a:e5:ab:77 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-1182) 08/01/26 _x86_64_ (4 CPU) 11:48:46 LINUX RESTART (4 CPU) 11:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:00 36.72 3.09 18.58 15.05 190.99 5062.69 255044.31 12:10:00 33.06 0.78 28.68 3.60 27.97 3289.88 4481.87 Average: 34.88 1.93 23.66 9.29 108.95 4170.52 128947.66 11:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:00 10671496 14174456 1784664 10.90 133212 3491164 2109332 12.11 571368 4742216 23804 12:10:00 8604032 13273648 2676340 16.35 170228 4534832 3148764 18.07 881568 6399560 313092 Average: 9637764 13724052 2230502 13.62 151720 4012998 2629048 15.09 726468 5570888 168448 11:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:00 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 12:00:00 ens3 129.23 98.13 1273.03 19.05 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 1570.28 1570.28 1496.40 1496.40 0.00 0.00 0.00 0.00 12:10:00 ens3 97.13 73.41 417.03 20.09 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 790.80 790.80 753.13 753.13 0.00 0.00 0.00 0.00 Average: ens3 113.08 85.69 842.24 19.57 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-1182) 08/01/26 _x86_64_ (4 CPU) 11:48:46 LINUX RESTART (4 CPU) 11:50:08 CPU %user %nice %system %iowait %steal %idle 12:00:00 all 48.76 0.00 1.76 0.13 0.08 49.29 12:00:00 0 48.79 0.00 1.98 0.08 0.08 49.07 12:00:00 1 48.15 0.00 1.48 0.20 0.07 50.10 12:00:00 2 49.13 0.00 1.74 0.13 0.07 48.92 12:00:00 3 48.95 0.00 1.83 0.08 0.08 49.06 12:10:00 all 68.12 0.00 2.75 0.06 0.09 28.98 12:10:00 0 66.23 0.00 2.70 0.06 0.09 30.92 12:10:00 1 66.12 0.00 2.65 0.04 0.09 31.10 12:10:00 2 68.73 0.00 2.81 0.08 0.09 28.29 12:10:00 3 71.40 0.00 2.86 0.06 0.09 25.59 Average: all 58.50 0.00 2.26 0.09 0.08 39.07 Average: 0 57.57 0.00 2.34 0.07 0.08 39.93 Average: 1 57.19 0.00 2.07 0.12 0.08 40.54 Average: 2 58.99 0.00 2.28 0.10 0.08 38.54 Average: 3 60.24 0.00 2.35 0.07 0.09 37.25