---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3741 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 7.9G 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 753 5300 4 2176 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:1a:bc:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82134sec preferred_lft 82134sec inet6 fe80::f816:3eff:fe1a:bc43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3741) 04/17/26 _x86_64_ (2 CPU) 01:48:32 LINUX RESTART (2 CPU) 01:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:32 1.72 0.02 1.69 0.01 1.24 1261.10 436.12 02:10:34 1.38 0.01 1.36 0.01 0.05 16.48 0.84 02:20:34 13.96 0.01 1.41 12.54 0.16 16.72 109187.70 02:30:09 1.56 0.00 1.53 0.02 0.00 18.82 456.32 02:40:34 1.72 0.30 1.38 0.03 37.43 69.77 1.36 02:50:34 1.16 0.00 1.14 0.01 0.00 14.49 0.87 Average: 3.58 0.06 1.42 2.11 6.74 233.17 18334.73 01:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:32 6298624 7546016 274632 3.38 30552 1422492 527244 5.74 442164 1183012 124 02:10:34 6299260 7547196 273416 3.36 30780 1422824 527244 5.74 442288 1183556 156 02:20:34 6300004 7548520 272020 3.34 30976 1423188 527268 5.74 442356 1184092 160 02:30:09 6310960 7560032 260452 3.20 31180 1423516 527412 5.74 442408 1184636 132 02:40:34 6234408 7512420 307384 3.78 31556 1451712 726660 7.91 459668 1202080 184 02:50:34 6257144 7535808 284032 3.49 31744 1452164 726792 7.92 461044 1202592 132 Average: 6283400 7541665 278656 3.43 31131 1432649 593770 6.47 448321 1189995 148 01:50:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:32 ens3 0.91 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:34 ens3 0.39 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:34 ens3 0.33 0.03 0.18 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.30 0.05 0.26 0.02 0.00 0.00 0.00 0.00 02:40:34 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:34 ens3 0.59 0.27 3.01 0.07 0.00 0.00 0.00 0.00 02:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:34 ens3 0.47 0.12 0.18 0.10 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 0.50 0.10 0.65 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3741) 04/17/26 _x86_64_ (2 CPU) 01:48:32 LINUX RESTART (2 CPU) 01:50:32 CPU %user %nice %system %iowait %steal %idle 02:00:32 all 0.31 0.00 0.16 0.13 0.03 99.38 02:00:32 0 0.14 0.00 0.17 0.20 0.03 99.46 02:00:32 1 0.48 0.00 0.16 0.05 0.03 99.29 02:10:34 all 0.24 0.00 0.07 0.06 0.03 99.60 02:10:34 0 0.05 0.00 0.09 0.02 0.03 99.80 02:10:34 1 0.43 0.00 0.06 0.09 0.02 99.40 02:20:34 all 0.25 0.00 0.08 0.05 0.03 99.58 02:20:34 0 0.06 0.00 0.10 0.08 0.03 99.73 02:20:34 1 0.45 0.00 0.07 0.02 0.03 99.43 02:30:09 all 0.27 0.00 0.16 0.72 0.02 98.82 02:30:09 0 0.39 0.00 0.15 1.20 0.02 98.26 02:30:09 1 0.16 0.00 0.18 0.24 0.02 99.39 02:40:34 all 0.38 0.00 0.12 0.44 0.02 99.05 02:40:34 0 0.40 0.00 0.09 0.16 0.02 99.32 02:40:34 1 0.35 0.00 0.14 0.71 0.02 98.77 02:50:34 all 0.26 0.00 0.08 0.10 0.02 99.54 02:50:34 0 0.33 0.00 0.09 0.19 0.02 99.38 02:50:34 1 0.19 0.00 0.08 0.01 0.02 99.70 Average: all 0.29 0.00 0.11 0.25 0.02 99.33 Average: 0 0.23 0.00 0.11 0.30 0.02 99.33 Average: 1 0.34 0.00 0.11 0.19 0.02 99.33