---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27084 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 624 10516 4 4848 15022 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:61:11:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84718sec preferred_lft 84718sec inet6 fe80::f816:3eff:fe61:1186/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:85:a4:f0:3b:c2 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-27084) 06/13/26 _x86_64_ (4 CPU) 09:57:01 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:20 8.49 2.11 6.17 0.21 129.62 2121.43 233.46 10:20:31 6.17 0.35 5.59 0.23 10.96 636.94 171.57 Average: 7.34 1.24 5.88 0.22 70.65 1383.69 202.70 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:20 9719004 12781548 3181952 19.43 113772 3107644 3419204 19.63 494488 5806804 32 10:20:31 8870148 12595908 3363580 20.54 130712 3717268 3843832 22.06 581400 6528368 475336 Average: 9294576 12688728 3272766 19.99 122242 3412456 3631518 20.84 537944 6167586 237684 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:20 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 10:10:20 ens3 57.25 47.60 677.20 6.98 0.00 0.00 0.00 0.00 10:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:31 lo 82.90 82.90 78.78 78.78 0.00 0.00 0.00 0.00 10:20:31 ens3 33.06 24.23 394.66 3.12 0.00 0.00 0.00 0.00 10:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 41.39 41.39 39.17 39.17 0.00 0.00 0.00 0.00 Average: ens3 45.23 35.99 536.79 5.06 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-27084) 06/13/26 _x86_64_ (4 CPU) 09:57:01 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:20 all 51.57 0.00 0.95 0.04 0.08 47.36 10:10:20 0 58.20 0.00 0.85 0.02 0.08 40.85 10:10:20 1 51.53 0.00 1.07 0.07 0.08 47.26 10:10:20 2 49.46 0.00 0.91 0.02 0.09 49.52 10:10:20 3 47.07 0.00 0.98 0.06 0.08 51.80 10:20:31 all 48.31 0.00 0.72 0.02 0.07 50.88 10:20:31 0 63.91 0.00 0.69 0.00 0.08 35.32 10:20:31 1 59.16 0.00 0.77 0.02 0.08 39.96 10:20:31 2 32.23 0.00 0.88 0.02 0.08 66.79 10:20:31 3 37.99 0.00 0.52 0.02 0.06 61.40 Average: all 49.95 0.00 0.84 0.03 0.08 49.11 Average: 0 61.04 0.00 0.77 0.01 0.08 38.10 Average: 1 55.32 0.00 0.92 0.05 0.08 43.63 Average: 2 40.89 0.00 0.90 0.02 0.08 58.11 Average: 3 42.56 0.00 0.75 0.04 0.07 56.57