---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54346 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 8.1G 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 776 5025 4 2430 7165 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:8c:15:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82781sec preferred_lft 82781sec inet6 fe80::f816:3eff:fe8c:158f/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-54346) 03/31/26 _x86_64_ (2 CPU) 00:36:24 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 4.22 0.39 3.56 0.27 44.77 714.33 56.64 01:00:00 1.40 0.01 1.37 0.02 0.05 18.45 0.35 01:10:00 1.41 0.00 1.40 0.01 0.00 197.03 1.47 01:20:00 1.43 0.00 1.41 0.02 0.01 224.12 2.27 01:30:00 1.50 0.00 1.48 0.02 0.00 19.25 0.23 Average: 1.99 0.08 1.85 0.07 8.97 234.64 12.19 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5061812 7170908 600988 7.39 84112 2189720 837856 9.13 793440 1947300 168 01:00:00 4819456 6929220 842388 10.36 84224 2190252 879980 9.58 817344 1947956 152 01:10:00 5089684 7254924 516116 6.35 84392 2245020 785512 8.56 724244 2002892 124 01:20:00 4875032 7104144 665812 8.19 84556 2307848 932136 10.15 871032 2065884 124 01:30:00 4905852 7135576 634392 7.80 84728 2308268 895820 9.76 834676 2066476 128 Average: 4950367 7118954 651939 8.02 84402 2248222 866261 9.44 808147 2006102 139 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:50:00 ens3 49.79 41.18 493.00 5.33 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 85.05 81.78 1355.57 5.37 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 23.37 21.71 405.75 1.48 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 34.29 32.17 535.07 2.18 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 5.38 5.11 76.62 0.39 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 39.58 36.39 573.20 2.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54346) 03/31/26 _x86_64_ (2 CPU) 00:36:24 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 1.86 0.00 0.47 0.06 0.08 97.53 00:50:00 0 2.72 0.00 0.67 0.08 0.10 96.43 00:50:00 1 0.99 0.00 0.28 0.04 0.06 98.63 01:00:00 all 1.09 0.00 0.67 0.01 0.09 98.15 01:00:00 0 1.57 0.00 1.10 0.01 0.12 97.20 01:00:00 1 0.61 0.00 0.23 0.01 0.07 99.09 01:10:00 all 0.70 0.00 0.24 0.01 0.09 98.96 01:10:00 0 0.86 0.00 0.39 0.02 0.12 98.61 01:10:00 1 0.54 0.00 0.09 0.01 0.06 99.31 01:20:00 all 0.83 0.00 0.25 0.01 0.09 98.82 01:20:00 0 0.86 0.00 0.25 0.02 0.10 98.77 01:20:00 1 0.80 0.00 0.25 0.01 0.08 98.87 01:30:00 all 0.47 0.00 0.26 0.01 0.08 99.18 01:30:00 0 0.51 0.00 0.16 0.02 0.04 99.28 01:30:00 1 0.43 0.00 0.36 0.01 0.13 99.07 Average: all 0.99 0.00 0.38 0.02 0.09 98.53 Average: 0 1.30 0.00 0.51 0.03 0.10 98.06 Average: 1 0.67 0.00 0.24 0.01 0.08 98.99