---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20729 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 11G 67G 14% / 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 710 10212 4 5066 14936 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:34:09:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84708sec preferred_lft 84708sec inet6 fe80::f816:3eff:fe34:9ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:23:2b:5c:da:10 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-20729) 05/27/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:18 19.35 3.13 15.08 1.13 548.37 4219.63 6506.67 15:00:18 25.96 0.81 22.08 3.06 27.42 3488.20 10063.07 Average: 22.61 1.99 18.53 2.09 291.38 3858.81 8261.04 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:18 10296808 13738688 2221096 13.57 128944 3443228 2648176 15.20 675072 5029424 24964 15:00:18 8920404 13294096 2656936 16.23 169532 4251324 2776096 15.93 914840 6069384 9088 Average: 9608606 13516392 2439016 14.90 149238 3847276 2712136 15.57 794956 5549404 17026 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:18 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 14:50:18 ens3 148.36 110.07 815.77 20.15 0.00 0.00 0.00 0.00 14:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:18 lo 1400.08 1400.08 1334.68 1334.68 0.00 0.00 0.00 0.00 15:00:18 ens3 87.34 64.34 370.31 17.58 0.00 0.00 0.00 0.00 15:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 691.17 691.17 658.45 658.45 0.00 0.00 0.00 0.00 Average: ens3 118.26 87.51 596.02 18.88 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-20729) 05/27/26 _x86_64_ (4 CPU) 14:38:30 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:18 all 46.38 0.00 1.66 0.11 0.09 51.76 14:50:18 0 47.46 0.00 1.65 0.18 0.09 50.62 14:50:18 1 45.58 0.00 1.61 0.11 0.09 52.62 14:50:18 2 46.66 0.00 1.74 0.05 0.09 51.46 14:50:18 3 45.82 0.00 1.64 0.10 0.09 52.35 15:00:18 all 71.19 0.00 2.71 0.05 0.12 25.93 15:00:18 0 71.88 0.00 2.26 0.04 0.12 25.69 15:00:18 1 70.87 0.00 2.58 0.05 0.13 26.37 15:00:18 2 70.90 0.00 3.01 0.05 0.12 25.92 15:00:18 3 71.09 0.00 2.99 0.05 0.13 25.75 Average: all 58.61 0.00 2.18 0.08 0.11 39.03 Average: 0 59.50 0.00 1.95 0.11 0.11 38.33 Average: 1 58.03 0.00 2.09 0.08 0.11 39.69 Average: 2 58.62 0.00 2.37 0.05 0.11 38.86 Average: 3 58.28 0.00 2.30 0.07 0.11 39.23