---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-904 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 12G 67G 15% / 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 733 9338 4 5918 14913 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:3b:0d:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84432sec preferred_lft 84432sec inet6 fe80::f816:3eff:fe3b:daf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:5c:c3:a9:c3:d6 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-904) 07/31/26 _x86_64_ (4 CPU) 14:05:25 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:13 43.00 2.40 25.33 15.27 159.52 5146.83 260067.54 14:30:11 35.52 0.05 32.37 3.10 1.63 6078.26 20306.49 Average: 39.30 1.24 28.81 9.26 81.54 5606.89 141643.00 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:13 9175048 13173460 2780400 16.98 162424 3913116 3087584 17.72 741936 6017756 16416 14:30:11 7924580 13377196 2570100 15.70 190320 5265012 2785368 15.99 1052252 6877940 36588 Average: 8549814 13275328 2675250 16.34 176372 4589064 2936476 16.86 897094 6447848 26502 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:13 lo 926.88 926.88 883.29 883.29 0.00 0.00 0.00 0.00 14:20:13 ens3 96.62 68.65 782.40 16.12 0.00 0.00 0.00 0.00 14:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:11 lo 1274.79 1274.79 1214.84 1214.84 0.00 0.00 0.00 0.00 14:30:11 ens3 61.80 47.34 235.29 12.86 0.00 0.00 0.00 0.00 14:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.72 1098.72 1047.05 1047.05 0.00 0.00 0.00 0.00 Average: ens3 79.42 58.12 512.17 14.51 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-904) 07/31/26 _x86_64_ (4 CPU) 14:05:25 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:13 all 64.94 0.00 2.30 0.67 0.12 31.97 14:20:13 0 67.13 0.00 2.29 0.24 0.13 30.21 14:20:13 1 61.67 0.00 2.45 0.42 0.12 35.34 14:20:13 2 67.05 0.00 2.00 0.89 0.12 29.94 14:20:13 3 63.91 0.00 2.44 1.14 0.13 32.39 14:30:11 all 57.67 0.00 2.42 0.07 0.12 39.70 14:30:11 0 54.20 0.00 2.15 0.10 0.12 43.42 14:30:11 1 57.50 0.00 2.47 0.08 0.12 39.83 14:30:11 2 58.78 0.00 2.39 0.06 0.13 38.64 14:30:11 3 60.22 0.00 2.68 0.05 0.12 36.93 Average: all 61.35 0.00 2.36 0.37 0.12 35.79 Average: 0 60.74 0.00 2.22 0.17 0.13 36.74 Average: 1 59.61 0.00 2.46 0.25 0.12 37.56 Average: 2 62.96 0.00 2.20 0.48 0.12 34.24 Average: 3 62.09 0.00 2.56 0.60 0.13 34.63