---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23567 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 759 5293 4 2178 7182 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:5c:2e:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82391sec preferred_lft 82391sec inet6 fe80::f816:3eff:fe5c:2efa/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-23567) 06/04/26 _x86_64_ (2 CPU) 01:48:43 LINUX RESTART (2 CPU) 01:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.53 0.03 1.48 0.02 1.30 18.38 913.08 02:10:01 1.75 0.26 1.46 0.03 31.03 73.07 1.37 02:20:01 1.19 0.00 1.17 0.02 0.01 14.20 1.20 02:30:01 1.40 0.00 1.38 0.01 0.00 16.93 871.28 02:40:01 13.96 0.00 1.42 12.54 0.15 16.59 109123.39 02:50:01 1.33 0.00 1.33 0.00 0.00 15.92 0.00 Average: 3.54 0.05 1.37 2.12 5.44 25.90 18616.15 01:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6279068 7525880 294672 3.62 30540 1421952 535596 5.83 453828 1183116 132 02:10:01 6247768 7521312 298744 3.67 30928 1447956 730640 7.96 468156 1200744 160 02:20:01 6255108 7529204 290832 3.58 31148 1448280 730788 7.96 468368 1201288 128 02:30:01 6248828 7523484 296444 3.65 31332 1448612 730788 7.96 468412 1201804 176 02:40:01 6252920 7528136 291716 3.59 31504 1448984 730852 7.96 468548 1202320 164 02:50:01 6252920 7528768 291068 3.58 31672 1449440 730852 7.96 469412 1202816 260 Average: 6256102 7526131 293913 3.61 31187 1444204 698253 7.61 466121 1198681 170 01:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.47 0.07 0.19 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.62 0.22 3.15 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.10 0.03 8.71 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.18 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.28 0.06 0.10 0.05 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 0.65 0.08 2.06 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23567) 06/04/26 _x86_64_ (2 CPU) 01:48:43 LINUX RESTART (2 CPU) 01:50:28 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.17 0.02 0.02 99.50 02:00:01 0 0.16 0.00 0.17 0.01 0.02 99.63 02:00:01 1 0.42 0.00 0.18 0.02 0.02 99.36 02:10:01 all 0.34 0.00 0.11 0.02 0.02 99.50 02:10:01 0 0.30 0.00 0.13 0.03 0.03 99.52 02:10:01 1 0.39 0.00 0.09 0.01 0.02 99.49 02:20:01 all 0.25 0.00 0.07 0.01 0.02 99.65 02:20:01 0 0.05 0.00 0.08 0.01 0.02 99.83 02:20:01 1 0.46 0.00 0.06 0.01 0.02 99.46 02:30:01 all 0.26 0.00 0.19 0.02 0.02 99.52 02:30:01 0 0.25 0.00 0.18 0.04 0.02 99.52 02:30:01 1 0.26 0.00 0.19 0.00 0.02 99.52 02:40:01 all 0.25 0.00 0.10 0.03 0.02 99.61 02:40:01 0 0.11 0.00 0.10 0.04 0.02 99.74 02:40:01 1 0.40 0.00 0.09 0.02 0.02 99.48 02:50:01 all 0.31 0.00 0.10 0.01 0.02 99.56 02:50:01 0 0.10 0.00 0.11 0.00 0.03 99.77 02:50:01 1 0.53 0.00 0.09 0.02 0.02 99.35 Average: all 0.29 0.00 0.12 0.02 0.02 99.56 Average: 0 0.16 0.00 0.13 0.02 0.02 99.67 Average: 1 0.41 0.00 0.12 0.01 0.02 99.44