---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-2948 5.15.0-138-generic #148-Ubuntu SMP Fri Mar 14 19:05:48 UTC 2025 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 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 Tsx async abort: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1020K 1.6G 1% /run /dev/vda1 78G 14G 64G 19% / 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 614 6407 3 8967 15032 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:5c:9a:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.74/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85219sec preferred_lft 85219sec inet6 fe80::f816:3eff:fe5c:9abf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-138-generic (prd-ubuntu2204-builder-4c-4g-2948) 01/26/26 _x86_64_ (4 CPU) 05:18:13 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 207.18 4.74 200.20 2.24 782.56 24257.60 27278.73 Average: 207.18 4.74 200.20 2.24 782.56 24257.60 27278.73 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 4451060 12928600 2991852 18.27 324192 7819476 2577864 14.80 1715544 9308456 3652 Average: 4451060 12928600 2991852 18.27 324192 7819476 2577864 14.80 1715544 9308456 3652 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 0.86 0.86 0.26 0.26 0.00 0.00 0.00 0.00 05:30:02 ens3 231.21 171.42 2110.68 34.14 0.00 0.00 0.00 0.00 Average: lo 0.86 0.86 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 231.21 171.42 2110.68 34.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-138-generic (prd-ubuntu2204-builder-4c-4g-2948) 01/26/26 _x86_64_ (4 CPU) 05:18:13 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 45.43 0.00 4.47 0.70 0.08 49.32 05:30:02 0 43.68 0.00 4.24 0.46 0.08 51.54 05:30:02 1 49.11 0.00 4.98 0.45 0.09 45.36 05:30:02 2 45.42 0.00 4.63 0.95 0.08 48.91 05:30:02 3 43.50 0.00 4.01 0.93 0.08 51.48 Average: all 45.43 0.00 4.47 0.70 0.08 49.32 Average: 0 43.68 0.00 4.24 0.46 0.08 51.54 Average: 1 49.11 0.00 4.98 0.45 0.09 45.36 Average: 2 45.42 0.00 4.63 0.95 0.08 48.91 Average: 3 43.50 0.00 4.01 0.93 0.08 51.48