---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35723 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: 5600.00 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 713 10234 4 5041 14932 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:a8:f5:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84667sec preferred_lft 84667sec inet6 fe80::f816:3eff:fea8:f5e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:15:b7:37:bf:f6 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-35723) 07/14/26 _x86_64_ (4 CPU) 10:01:51 LINUX RESTART (4 CPU) 10:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:03 10.94 0.45 9.37 1.12 17.42 2248.76 2848.08 10:30:03 43.13 0.59 23.94 18.60 22.91 3833.91 237973.07 Average: 27.06 0.52 16.67 9.88 20.17 3042.30 120553.61 10:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:03 9516668 13370288 2585136 15.79 151144 3788444 3090020 17.74 666312 5760172 32784 10:30:03 10452428 15262876 685928 4.19 177124 4658072 1165796 6.69 930148 4462360 20796 Average: 9984548 14316582 1635532 9.99 164134 4223258 2127908 12.21 798230 5111266 26790 10:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:03 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 10:20:03 ens3 76.51 57.72 104.01 18.47 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:03 lo 1669.55 1669.55 1578.62 1578.62 0.00 0.00 0.00 0.00 10:30:03 ens3 131.35 114.92 416.71 191.68 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.50 836.50 790.34 790.34 0.00 0.00 0.00 0.00 Average: ens3 103.96 86.36 260.55 105.18 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35723) 07/14/26 _x86_64_ (4 CPU) 10:01:51 LINUX RESTART (4 CPU) 10:10:03 CPU %user %nice %system %iowait %steal %idle 10:20:03 all 72.81 0.00 2.27 0.03 0.12 24.77 10:20:03 0 70.91 0.00 2.05 0.03 0.12 26.89 10:20:03 1 75.90 0.00 2.36 0.03 0.12 21.59 10:20:03 2 71.29 0.00 2.12 0.05 0.12 26.42 10:20:03 3 73.14 0.00 2.56 0.02 0.12 24.16 10:30:03 all 48.11 0.00 2.31 0.20 0.09 49.30 10:30:03 0 41.50 0.00 2.11 0.23 0.09 56.07 10:30:03 1 47.97 0.00 2.44 0.23 0.09 49.28 10:30:03 2 54.18 0.00 2.42 0.14 0.09 43.17 10:30:03 3 48.78 0.00 2.26 0.20 0.09 48.67 Average: all 60.45 0.00 2.29 0.12 0.10 37.04 Average: 0 56.19 0.00 2.08 0.13 0.10 41.50 Average: 1 61.92 0.00 2.40 0.13 0.10 35.44 Average: 2 62.73 0.00 2.27 0.10 0.11 34.80 Average: 3 60.95 0.00 2.41 0.11 0.10 36.43