---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26891 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 9.8G 68G 13% / 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 634 11190 4 4164 15012 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:3f:2e:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84646sec preferred_lft 84646sec inet6 fe80::f816:3eff:fe3f:2e91/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:9a:b8:a2:55:c1 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-26891) 06/12/26 _x86_64_ (4 CPU) 13:54:50 LINUX RESTART (4 CPU) 14:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:10 7.52 1.93 5.44 0.15 124.08 1412.76 699.67 14:20:10 10.75 0.40 9.31 1.03 15.49 2239.35 2745.27 Average: 9.13 1.16 7.38 0.59 69.79 1826.05 1722.47 14:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:10 11008860 13952496 2011116 12.28 117260 2986428 2489268 14.29 474456 4556324 36808 14:20:10 10145552 13727060 2230368 13.62 146672 3531460 2461016 14.13 633572 5179516 16424 Average: 10577206 13839778 2120742 12.95 131966 3258944 2475142 14.21 554014 4867920 26616 14:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:10 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:10:10 ens3 62.26 50.73 717.58 8.31 0.00 0.00 0.00 0.00 14:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:10 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 14:20:10 ens3 54.99 45.09 97.78 15.88 0.00 0.00 0.00 0.00 14:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 58.62 47.91 407.68 12.10 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-26891) 06/12/26 _x86_64_ (4 CPU) 13:54:50 LINUX RESTART (4 CPU) 14:00:10 CPU %user %nice %system %iowait %steal %idle 14:10:10 all 13.20 0.00 0.51 0.06 0.03 86.20 14:10:10 0 13.55 0.00 0.46 0.04 0.03 85.91 14:10:10 1 13.92 0.00 0.61 0.03 0.04 85.41 14:10:10 2 12.45 0.00 0.58 0.08 0.03 86.86 14:10:10 3 12.87 0.00 0.39 0.10 0.03 86.60 14:20:10 all 72.30 0.00 2.32 0.14 0.13 25.11 14:20:10 0 69.25 0.00 2.23 0.17 0.13 28.22 14:20:10 1 73.20 0.00 2.24 0.04 0.13 24.40 14:20:10 2 71.85 0.00 2.33 0.11 0.13 25.58 14:20:10 3 74.90 0.00 2.50 0.22 0.13 22.25 Average: all 42.67 0.00 1.41 0.10 0.08 55.73 Average: 0 41.32 0.00 1.34 0.11 0.08 57.15 Average: 1 43.50 0.00 1.42 0.03 0.08 54.96 Average: 2 42.08 0.00 1.45 0.10 0.08 56.29 Average: 3 43.79 0.00 1.44 0.16 0.08 54.52