---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27164 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 66G 16% / 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 679 8659 4 6650 14967 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:02:09:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84175sec preferred_lft 84175sec inet6 fe80::f816:3eff:fe02:9e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:1e:b6:00:d3:d9 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-27164) 03/04/26 _x86_64_ (4 CPU) 10:55:41 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:12 44.79 5.36 36.18 3.25 672.45 6494.22 17910.06 11:20:03 21.69 0.02 19.35 2.33 0.20 2020.07 20010.58 11:30:01 20.54 0.03 18.66 1.85 0.36 3982.73 12774.78 Average: 29.15 1.83 24.84 2.48 228.54 4190.89 16895.57 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:12 9790960 13309012 2649800 16.18 133460 3521104 2832968 16.26 770684 5436680 24396 11:20:03 9066892 12958436 2997828 18.31 148896 3848808 3013596 17.30 880092 6012212 24752 11:30:01 5565052 10380172 5572416 34.03 165836 4718348 5308460 30.47 1152776 9180068 324 Average: 8140968 12215873 3740015 22.84 149397 4029420 3718341 21.34 934517 6876320 16491 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:12 lo 1379.75 1379.75 1309.36 1309.36 0.00 0.00 0.00 0.00 11:10:12 ens3 125.69 90.62 1281.63 17.74 0.00 0.00 0.00 0.00 11:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:03 lo 1105.74 1105.74 1053.43 1053.43 0.00 0.00 0.00 0.00 11:20:03 ens3 24.47 20.66 18.25 6.56 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 911.04 911.04 5350.60 5350.60 0.00 0.00 0.00 0.00 11:30:01 ens3 14.91 12.21 13.35 4.19 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1134.17 1134.17 2566.65 2566.65 0.00 0.00 0.00 0.00 Average: ens3 55.67 41.61 445.65 9.57 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-27164) 03/04/26 _x86_64_ (4 CPU) 10:55:41 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:12 all 55.16 0.00 2.51 3.87 0.17 38.28 11:10:12 0 55.76 0.00 2.43 3.70 0.16 37.94 11:10:12 1 54.72 0.00 2.36 3.48 0.17 39.28 11:10:12 2 54.13 0.00 2.55 5.31 0.16 37.85 11:10:12 3 56.05 0.00 2.72 2.99 0.18 38.06 11:20:03 all 66.62 0.00 2.35 0.54 0.16 30.34 11:20:03 0 67.88 0.00 2.58 0.35 0.15 29.04 11:20:03 1 67.39 0.00 2.30 0.76 0.15 29.40 11:20:03 2 65.87 0.00 2.24 0.67 0.16 31.06 11:20:03 3 65.33 0.00 2.29 0.38 0.16 31.84 11:30:01 all 46.85 0.00 1.82 1.78 0.16 49.39 11:30:01 0 48.25 0.00 1.81 2.84 0.16 46.94 11:30:01 1 47.04 0.00 1.80 1.03 0.16 49.97 11:30:01 2 45.70 0.00 1.86 2.14 0.15 50.15 11:30:01 3 46.43 0.00 1.80 1.10 0.15 50.52 Average: all 56.17 0.00 2.23 2.08 0.16 39.36 Average: 0 57.25 0.00 2.27 2.31 0.16 38.00 Average: 1 56.33 0.00 2.15 1.77 0.16 39.58 Average: 2 55.18 0.00 2.22 2.74 0.16 39.70 Average: 3 55.90 0.00 2.27 1.51 0.16 40.16