---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54101 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.2G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 753 4960 4 2519 7188 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:fb:01:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82759sec preferred_lft 82759sec inet6 fe80::f816:3eff:fefb:1d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54101) 03/30/26 _x86_64_ (2 CPU) 00:40:30 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.39 0.01 1.36 0.02 0.05 17.65 0.83 01:10:13 1.28 0.00 1.27 0.01 0.00 113.92 0.86 01:20:16 2.20 0.32 1.84 0.04 38.82 459.04 4.22 01:30:01 15.58 0.01 1.77 13.80 1.23 61.22 108962.51 01:40:13 3.85 0.04 3.19 0.61 1.40 783.44 2482.22 Average: 4.79 0.07 1.89 2.82 8.31 289.77 21687.51 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5162868 7244016 528024 6.49 84048 2161924 736396 8.02 683712 1930900 176 01:10:13 5148956 7260908 511188 6.29 84216 2192556 796804 8.68 728088 1961700 216 01:20:16 4865124 7123304 646228 7.95 84572 2336536 1115744 12.15 858032 2094968 180 01:30:01 4845764 7116584 652844 8.03 84732 2348832 909092 9.90 851992 2107072 236 01:40:13 5092712 7367124 409128 5.03 86104 2357140 649200 7.07 635584 2116376 2084 Average: 5023085 7222387 549482 6.76 84734 2279398 841447 9.17 751482 2042203 578 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 29.93 28.05 458.82 1.87 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 75.80 70.75 1204.95 4.66 0.00 0.00 0.00 0.00 01:20:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 25.07 23.76 407.63 1.64 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 24.23 22.97 395.83 1.55 0.00 0.00 0.00 0.00 01:40:13 lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 01:40:13 ens3 32.31 25.92 290.29 23.22 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.66 34.45 553.80 6.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54101) 03/30/26 _x86_64_ (2 CPU) 00:40:30 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.59 0.00 0.35 0.01 0.07 98.98 01:00:01 0 0.51 0.00 0.19 0.02 0.05 99.24 01:00:01 1 0.66 0.00 0.51 0.01 0.10 98.72 01:10:13 all 1.04 0.00 0.52 0.01 0.08 98.36 01:10:13 0 0.99 0.00 0.44 0.01 0.09 98.46 01:10:13 1 1.08 0.00 0.59 0.01 0.06 98.27 01:20:16 all 0.89 0.00 0.24 0.03 0.09 98.75 01:20:16 0 0.99 0.00 0.28 0.04 0.09 98.60 01:20:16 1 0.80 0.00 0.20 0.02 0.08 98.90 01:30:01 all 0.65 0.00 0.34 0.03 0.09 98.88 01:30:01 0 0.69 0.00 0.45 0.06 0.11 98.69 01:30:01 1 0.62 0.00 0.23 0.01 0.07 99.08 01:40:13 all 2.90 0.00 0.45 0.11 0.07 96.46 01:40:13 0 2.89 0.00 0.55 0.08 0.10 96.38 01:40:13 1 2.91 0.00 0.35 0.14 0.05 96.55 Average: all 1.22 0.00 0.38 0.04 0.08 98.28 Average: 0 1.22 0.00 0.38 0.04 0.09 98.26 Average: 1 1.22 0.00 0.38 0.04 0.07 98.29