---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16780 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 13G 65G 17% / 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 682 8148 4 7158 14964 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:74:ae:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83880sec preferred_lft 83880sec inet6 fe80::f816:3eff:fe74:ae17/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:80:40:14:83:f3 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-16780) 05/19/26 _x86_64_ (4 CPU) 11:41:01 LINUX RESTART (4 CPU) 11:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:00 22.66 0.07 19.74 2.85 6.61 2321.53 5930.68 12:10:14 33.07 0.01 29.64 3.42 0.21 2645.99 15098.22 12:20:01 12.74 0.33 11.00 1.41 12.28 9638.83 2781.65 Average: 22.98 0.13 20.27 2.58 6.27 4817.85 8033.37 11:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:00 9457116 13301292 2655392 16.22 145164 3810784 2957036 16.97 798416 5720204 29684 12:10:14 8378572 13227488 2724452 16.64 165288 4750612 2710892 15.56 1087304 6461316 560172 12:20:01 8375480 15344488 600020 3.66 179008 6785748 1105392 6.34 1837376 5608028 572 Average: 8737056 13957756 1993288 12.17 163153 5115715 2257773 12.96 1241032 5929849 196809 11:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:00 lo 1436.31 1436.31 1362.63 1362.63 0.00 0.00 0.00 0.00 12:00:00 ens3 58.61 44.89 75.30 14.10 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 12:10:14 lo 1452.41 1452.41 1383.63 1383.63 0.00 0.00 0.00 0.00 12:10:14 ens3 40.48 31.80 28.09 11.53 0.00 0.00 0.00 0.00 12:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 2614.22 2614.22 9503.01 9503.01 0.00 0.00 0.00 0.00 12:20:01 ens3 43.15 47.55 135.25 542.96 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1825.82 1825.82 4023.71 4023.71 0.00 0.00 0.00 0.00 Average: ens3 47.38 41.29 78.73 185.64 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-16780) 05/19/26 _x86_64_ (4 CPU) 11:41:01 LINUX RESTART (4 CPU) 11:50:01 CPU %user %nice %system %iowait %steal %idle 12:00:00 all 70.56 0.00 2.39 0.05 0.12 26.88 12:00:00 0 68.70 0.00 2.08 0.06 0.12 29.04 12:00:00 1 72.65 0.00 2.64 0.03 0.12 24.56 12:00:00 2 70.47 0.00 2.50 0.03 0.12 26.88 12:00:00 3 70.42 0.00 2.35 0.06 0.12 27.04 12:10:14 all 64.38 0.00 2.59 0.07 0.13 32.84 12:10:14 0 64.76 0.00 2.76 0.05 0.13 32.31 12:10:14 1 63.54 0.00 2.28 0.05 0.13 34.00 12:10:14 2 64.92 0.00 2.74 0.07 0.12 32.16 12:10:14 3 64.29 0.00 2.58 0.10 0.12 32.91 12:20:01 all 38.42 0.00 1.43 0.16 0.10 59.89 12:20:01 0 39.50 0.00 1.31 0.10 0.10 59.00 12:20:01 1 30.37 0.00 1.11 0.27 0.10 68.15 12:20:01 2 37.07 0.00 2.18 0.17 0.11 60.48 12:20:01 3 46.75 0.00 1.13 0.09 0.10 51.93 Average: all 57.95 0.00 2.15 0.09 0.12 39.70 Average: 0 57.82 0.00 2.06 0.07 0.12 39.94 Average: 1 55.72 0.00 2.02 0.12 0.11 42.04 Average: 2 57.67 0.00 2.48 0.09 0.11 39.65 Average: 3 60.61 0.00 2.03 0.09 0.11 37.16