---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20177 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 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 762 5157 4 2322 7179 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:09:73:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81979sec preferred_lft 81979sec inet6 fe80::f816:3eff:fe09:73c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20177) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.68 0.03 1.64 0.01 1.27 20.10 670.60 01:10:01 1.32 0.01 1.30 0.01 0.05 15.57 0.96 01:20:15 2.02 0.25 1.74 0.02 31.28 75.02 1.16 01:30:01 1.51 0.00 1.50 0.02 0.00 18.50 669.41 01:40:01 15.56 13.54 1.98 0.05 151.08 44.02 9.20 01:50:10 1.81 0.39 1.41 0.00 15.59 48.34 0.01 Average: 3.99 2.38 1.60 0.02 33.43 37.25 220.11 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6292620 7538880 281980 3.47 30608 1421336 531324 5.79 448976 1183244 124 01:10:01 6292368 7539156 281704 3.46 30808 1421668 531524 5.79 449140 1183776 128 01:20:15 6240096 7514076 306328 3.77 31196 1448120 531524 5.79 460508 1201540 168 01:30:01 6237764 7512252 308104 3.79 31368 1448412 531520 5.79 460396 1202004 124 01:40:01 6181988 7513688 297568 3.66 35504 1493152 531584 5.79 461380 1250156 124 01:50:10 6162752 7509560 301476 3.71 35800 1507820 552148 6.01 490872 1263596 352 Average: 6234598 7521269 296193 3.64 32547 1456751 534937 5.83 461879 1214053 170 00:50:16 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 0.95 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.49 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.84 0.33 3.16 0.08 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 0.39 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.41 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 7.33 4.57 19.61 3.02 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 1.75 0.87 3.93 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20177) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.18 0.04 0.02 99.44 01:00:01 0 0.17 0.00 0.19 0.06 0.02 99.56 01:00:01 1 0.45 0.00 0.18 0.02 0.02 99.33 01:10:01 all 0.31 0.00 0.08 0.01 0.02 99.58 01:10:01 0 0.34 0.00 0.08 0.01 0.02 99.55 01:10:01 1 0.28 0.00 0.09 0.01 0.02 99.61 01:20:15 all 0.43 0.00 0.11 0.05 0.02 99.39 01:20:15 0 0.26 0.00 0.11 0.01 0.02 99.60 01:20:15 1 0.60 0.00 0.11 0.08 0.02 99.19 01:30:01 all 0.30 0.00 0.19 0.02 0.02 99.47 01:30:01 0 0.35 0.00 0.19 0.01 0.02 99.43 01:30:01 1 0.25 0.00 0.19 0.02 0.03 99.51 01:40:01 all 0.27 0.19 0.17 0.22 0.30 98.85 01:40:01 0 0.42 0.00 0.11 0.04 0.41 99.01 01:40:01 1 0.12 0.37 0.23 0.39 0.19 98.70 01:50:10 all 0.55 0.00 0.11 0.01 0.02 99.31 01:50:10 0 0.47 0.00 0.12 0.01 0.02 99.38 01:50:10 1 0.63 0.00 0.10 0.02 0.02 99.23 Average: all 0.36 0.03 0.14 0.06 0.07 99.34 Average: 0 0.34 0.00 0.13 0.02 0.08 99.42 Average: 1 0.39 0.06 0.15 0.09 0.05 99.26