---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10610 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 12G 67G 15% / 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 687 9437 4 5864 14959 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:a5:66:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84306sec preferred_lft 84306sec inet6 fe80::f816:3eff:fea5:6646/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:2b:3d:91:96:ef 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-10610) 05/03/26 _x86_64_ (4 CPU) 05:12:20 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:03 10.89 0.02 9.31 1.56 0.63 726.71 38590.23 05:40:05 37.96 0.18 33.18 4.60 5.77 8204.21 30276.57 Average: 24.44 0.10 21.25 3.08 3.20 4468.29 34430.26 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:03 9526544 12967448 2992080 18.27 129296 3434120 3166572 18.18 673892 5782132 996 05:40:05 6975644 12637928 3308764 20.21 170128 5504792 3389512 19.46 1557436 7310232 10648 Average: 8251094 12802688 3150422 19.24 149712 4469456 3278042 18.82 1115664 6546182 5822 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:03 lo 53.62 53.62 13.46 13.46 0.00 0.00 0.00 0.00 05:30:03 ens3 8.17 6.06 8.09 1.93 0.00 0.00 0.00 0.00 05:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:05 lo 2318.86 2318.86 2230.49 2230.49 0.00 0.00 0.00 0.00 05:40:05 ens3 77.50 56.85 466.23 14.73 0.00 0.00 0.00 0.00 05:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1187.09 1187.09 1122.81 1122.81 0.00 0.00 0.00 0.00 Average: ens3 42.86 31.47 237.33 8.34 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-10610) 05/03/26 _x86_64_ (4 CPU) 05:12:20 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:03 all 16.91 0.00 0.74 0.07 0.09 82.20 05:30:03 0 16.77 0.00 0.69 0.03 0.08 82.42 05:30:03 1 17.17 0.00 0.65 0.08 0.09 82.02 05:30:03 2 16.76 0.00 0.72 0.07 0.09 82.36 05:30:03 3 16.92 0.00 0.90 0.10 0.08 81.99 05:40:05 all 51.59 0.00 2.63 0.70 0.08 44.99 05:40:05 0 51.63 0.00 2.48 0.78 0.08 45.03 05:40:05 1 51.15 0.00 2.76 0.94 0.08 45.07 05:40:05 2 50.86 0.00 2.72 0.76 0.09 45.58 05:40:05 3 52.72 0.00 2.57 0.34 0.09 44.28 Average: all 34.24 0.00 1.69 0.39 0.09 63.60 Average: 0 34.20 0.00 1.59 0.40 0.08 63.73 Average: 1 34.15 0.00 1.70 0.51 0.09 63.55 Average: 2 33.82 0.00 1.72 0.41 0.09 63.96 Average: 3 34.80 0.00 1.74 0.22 0.09 63.15