---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-1775 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 18% / 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 582 6335 3 9071 15064 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:73:37:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.1/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85014sec preferred_lft 85014sec inet6 fe80::f816:3eff:fe73:371b/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-1775) 01/21/26 _x86_64_ (4 CPU) 05:17:54 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 104.60 2.84 99.65 2.11 553.25 20145.88 15482.38 05:40:01 157.35 0.34 148.50 8.51 15.39 10474.99 93035.29 Average: 130.98 1.59 124.08 5.31 284.29 15309.91 54263.04 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 5420200 13260892 2668532 16.30 301568 7289240 2365768 13.58 1445424 8667228 496260 05:40:01 6471200 15402416 525876 3.21 324128 8380052 809536 4.65 2218808 6896524 304 Average: 5945700 14331654 1597204 9.76 312848 7834646 1587652 9.11 1832116 7781876 248282 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.81 0.81 0.23 0.23 0.00 0.00 0.00 0.00 05:30:01 ens3 238.44 176.99 2035.24 34.80 0.00 0.00 0.00 0.00 05:40:01 lo 16.15 16.15 3.84 3.84 0.00 0.00 0.00 0.00 05:40:01 ens3 83.01 92.78 104.04 654.56 0.00 0.00 0.00 0.00 Average: lo 8.48 8.48 2.03 2.03 0.00 0.00 0.00 0.00 Average: ens3 160.72 134.88 1069.54 344.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-138-generic (prd-ubuntu2204-builder-4c-4g-1775) 01/21/26 _x86_64_ (4 CPU) 05:17:54 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 42.33 0.00 4.53 0.46 0.08 52.60 05:30:01 0 41.43 0.00 4.65 0.61 0.08 53.23 05:30:01 1 42.61 0.00 4.18 0.45 0.09 52.68 05:30:01 2 42.89 0.00 4.67 0.48 0.08 51.88 05:30:01 3 42.38 0.00 4.61 0.31 0.08 52.63 05:40:01 all 39.68 0.00 2.37 0.26 0.08 57.62 05:40:01 0 41.55 0.00 2.63 0.22 0.08 55.52 05:40:01 1 36.21 0.00 2.32 0.28 0.08 61.10 05:40:01 2 42.64 0.00 2.54 0.27 0.08 54.49 05:40:01 3 38.32 0.00 1.98 0.26 0.08 59.36 Average: all 41.00 0.00 3.45 0.36 0.08 55.11 Average: 0 41.49 0.00 3.64 0.41 0.08 54.38 Average: 1 39.40 0.00 3.25 0.37 0.08 56.90 Average: 2 42.76 0.00 3.60 0.37 0.08 53.19 Average: 3 40.35 0.00 3.30 0.28 0.08 55.99