---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39235 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 8.0G 30G 21% / 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 774 5179 4 2281 7167 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:82:ff:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82498sec preferred_lft 82498sec inet6 fe80::f816:3eff:fe82:ff6d/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-39235) 07/27/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.52 0.01 1.49 0.03 0.06 18.12 463.52 01:10:29 1.35 0.00 1.34 0.02 0.00 15.75 1.04 01:20:19 2.02 0.26 1.74 0.02 32.58 78.40 0.60 01:30:01 1.52 0.00 1.51 0.01 0.00 18.03 449.38 01:40:09 1.83 0.39 1.44 0.00 15.61 47.60 0.00 Average: 1.65 0.13 1.50 0.01 9.67 35.59 176.39 00:50:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6301604 7548052 272672 3.35 30688 1421436 532036 5.79 448308 1183556 124 01:10:29 6301380 7548400 272316 3.35 30888 1421800 532248 5.80 448600 1184120 160 01:20:19 6258088 7532732 287540 3.54 31232 1448704 533328 5.81 458092 1202292 124 01:30:01 6272780 7547928 272328 3.35 31416 1449000 533392 5.81 458412 1202772 136 01:40:09 6213324 7510000 309928 3.81 31724 1469932 575864 6.27 499304 1222360 6340 Average: 6269435 7537422 282957 3.48 31190 1442174 541374 5.90 462543 1199020 1377 00:50:35 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 0.62 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 0.47 0.06 0.53 0.04 0.00 0.00 0.00 0.00 01:20:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.70 0.30 3.37 0.07 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 0.43 0.21 0.10 0.56 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 14.80 7.26 33.76 2.84 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.47 1.62 7.73 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39235) 07/27/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:35 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.18 0.00 0.18 0.01 0.03 99.60 01:00:01 1 0.39 0.00 0.16 0.02 0.03 99.40 01:10:29 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:29 0 0.05 0.00 0.09 0.01 0.04 99.80 01:10:29 1 0.45 0.00 0.05 0.02 0.03 99.46 01:20:19 all 0.40 0.00 0.10 0.02 0.03 99.44 01:20:19 0 0.33 0.00 0.14 0.03 0.04 99.47 01:20:19 1 0.47 0.00 0.07 0.02 0.03 99.41 01:30:01 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:01 0 0.41 0.00 0.14 0.01 0.03 99.41 01:30:01 1 0.08 0.00 0.17 0.02 0.04 99.69 01:40:09 all 0.51 0.00 0.11 0.02 0.03 99.34 01:40:09 0 0.54 0.00 0.09 0.02 0.03 99.32 01:40:09 1 0.47 0.00 0.12 0.01 0.04 99.36 Average: all 0.34 0.00 0.12 0.02 0.03 99.49 Average: 0 0.30 0.00 0.13 0.01 0.04 99.52 Average: 1 0.38 0.00 0.11 0.02 0.03 99.46