---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1932 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: 5600.00 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 8.0G 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 811 5111 4 2308 7130 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:74:11:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83441sec preferred_lft 83441sec inet6 fe80::f816:3eff:fe74:1185/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1932) 04/11/26 _x86_64_ (2 CPU) 02:57:05 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:08 10.02 1.22 7.83 0.97 104.33 1378.45 1159.69 03:20:46 14.01 0.01 1.34 12.66 0.20 111.02 100329.76 03:30:01 1.49 0.01 1.46 0.03 0.22 65.26 1.77 03:40:28 1.89 0.30 1.57 0.01 37.33 82.94 0.19 Average: 7.02 0.39 3.05 3.58 35.85 410.47 26676.06 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:08 5310264 7406836 365204 4.49 83936 2177140 674092 7.34 595880 1946304 160 03:20:46 5244344 7372416 399108 4.91 84124 2208376 705420 7.68 628000 1977652 764 03:30:01 5222400 7363688 407664 5.01 84304 2221188 681472 7.42 628244 1990696 268 03:40:28 5193036 7366820 403828 4.97 84580 2252996 879276 9.58 644536 2011716 160 Average: 5242511 7377440 393951 4.84 84236 2214925 735065 8.01 624165 1981592 338 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:08 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:08 ens3 93.33 74.75 55.10 12.52 0.00 0.00 0.00 0.00 03:20:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:46 ens3 12.98 13.21 13.27 1.10 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 13.30 13.04 7.28 1.17 0.00 0.00 0.00 0.00 03:40:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:28 ens3 23.77 23.50 7.63 1.69 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 35.94 31.23 20.91 4.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1932) 04/11/26 _x86_64_ (2 CPU) 02:57:05 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:08 all 6.84 0.00 1.23 2.57 0.06 89.29 03:10:08 0 5.45 0.00 1.10 3.39 0.06 90.01 03:10:08 1 8.23 0.00 1.37 1.75 0.06 88.58 03:20:46 all 4.16 0.00 0.61 0.03 0.08 95.12 03:20:46 0 4.38 0.00 0.61 0.06 0.08 94.87 03:20:46 1 3.94 0.00 0.61 0.01 0.08 95.37 03:30:01 all 3.38 0.00 0.57 0.01 0.07 95.97 03:30:01 0 3.74 0.00 0.62 0.01 0.07 95.56 03:30:01 1 3.02 0.00 0.51 0.01 0.07 96.38 03:40:28 all 1.65 0.00 0.37 0.02 0.07 97.89 03:40:28 0 1.92 0.00 0.46 0.01 0.07 97.53 03:40:28 1 1.39 0.00 0.28 0.04 0.06 98.24 Average: all 4.01 0.00 0.69 0.66 0.07 94.57 Average: 0 3.87 0.00 0.70 0.87 0.07 94.50 Average: 1 4.14 0.00 0.69 0.45 0.07 94.64