---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15569 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 736 9641 4 5611 14910 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:56:0f:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82722sec preferred_lft 82722sec inet6 fe80::f816:3eff:fe56:f37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:cf:e8:23:a6:ae 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-15569) 05/15/26 _x86_64_ (4 CPU) 15:15:05 LINUX RESTART (4 CPU) 15:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 14.51 0.04 1.58 12.88 2.02 19.76 245559.60 15:40:07 1.54 0.01 1.53 0.00 0.45 16.92 0.01 15:50:07 44.30 4.29 39.36 0.66 259.16 3534.69 616.29 16:00:01 27.75 0.56 24.64 2.55 20.46 3955.77 13789.98 16:10:07 32.02 0.04 28.90 3.08 1.51 6024.16 17337.96 Average: 24.01 0.99 19.21 3.81 56.68 2714.28 54991.65 15:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 13761244 15513964 505176 3.09 54444 1925248 1138608 6.54 198952 2152424 208 15:40:07 13760992 15514488 504540 3.08 55044 1925396 1137668 6.53 199568 2153724 32 15:50:07 11341156 14201652 1762812 10.77 115984 2912160 2113376 12.13 454028 4233828 114788 16:00:01 9460384 13289436 2666748 16.29 159372 3754036 2918472 16.75 736024 5751268 114344 16:10:07 7883604 13026328 2923504 17.86 185064 4975176 3100116 17.79 1028032 6944508 22324 Average: 11241476 14309174 1672556 10.22 113982 3098403 2081648 11.95 523321 4247150 50339 15:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:30:01 ens3 0.28 0.13 0.08 0.04 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:40:07 ens3 0.26 0.13 0.07 0.04 0.00 0.00 0.00 0.00 15:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:07 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 15:50:07 ens3 84.20 64.63 761.33 12.78 0.00 0.00 0.00 0.00 15:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1184.34 1184.34 1129.13 1129.13 0.00 0.00 0.00 0.00 16:00:01 ens3 70.45 53.42 332.82 15.04 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:07 lo 973.89 973.89 927.61 927.61 0.00 0.00 0.00 0.00 16:10:07 ens3 61.02 46.89 231.92 12.72 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 431.39 431.39 411.00 411.00 0.00 0.00 0.00 0.00 Average: ens3 43.23 33.03 265.05 8.12 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-15569) 05/15/26 _x86_64_ (4 CPU) 15:15:05 LINUX RESTART (4 CPU) 15:20:07 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 0.11 0.00 0.04 0.03 0.01 99.81 15:30:01 0 0.04 0.00 0.04 0.01 0.01 99.91 15:30:01 1 0.33 0.00 0.04 0.03 0.01 99.60 15:30:01 2 0.07 0.00 0.04 0.00 0.02 99.87 15:30:01 3 0.02 0.00 0.04 0.07 0.01 99.87 15:40:07 all 0.08 0.00 0.03 0.01 0.01 99.87 15:40:07 0 0.14 0.00 0.01 0.00 0.01 99.83 15:40:07 1 0.13 0.00 0.03 0.02 0.01 99.81 15:40:07 2 0.02 0.00 0.02 0.00 0.01 99.94 15:40:07 3 0.03 0.00 0.04 0.01 0.02 99.90 15:50:07 all 12.05 0.00 0.62 0.26 0.04 87.04 15:50:07 0 10.86 0.00 0.60 0.11 0.04 88.40 15:50:07 1 14.11 0.00 0.73 0.41 0.04 84.72 15:50:07 2 12.28 0.00 0.63 0.09 0.04 86.96 15:50:07 3 10.97 0.00 0.51 0.42 0.04 88.06 16:00:01 all 64.96 0.00 2.29 0.07 0.11 32.57 16:00:01 0 64.80 0.00 2.18 0.04 0.11 32.86 16:00:01 1 64.96 0.00 2.07 0.15 0.11 32.71 16:00:01 2 63.73 0.00 2.29 0.05 0.11 33.81 16:00:01 3 66.35 0.00 2.61 0.04 0.11 30.89 16:10:07 all 58.42 0.00 2.23 0.08 0.10 39.17 16:10:07 0 57.67 0.00 2.24 0.15 0.10 39.84 16:10:07 1 56.82 0.00 2.32 0.09 0.10 40.66 16:10:07 2 59.23 0.00 2.24 0.04 0.10 38.39 16:10:07 3 59.94 0.00 2.12 0.05 0.10 37.78 Average: all 27.07 0.00 1.04 0.09 0.06 71.75 Average: 0 26.65 0.00 1.01 0.06 0.05 72.22 Average: 1 27.22 0.00 1.04 0.14 0.05 71.55 Average: 2 27.01 0.00 1.04 0.04 0.05 71.86 Average: 3 27.41 0.00 1.06 0.12 0.06 71.35