---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57704 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 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 804 5102 4 2329 7137 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:9b:1c:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83584sec preferred_lft 83584sec inet6 fe80::f816:3eff:fe9b:1c95/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57704) 09/23/26 _x86_64_ (2 CPU) 04:39:01 LINUX RESTART (2 CPU) 04:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:34 22.45 1.44 18.93 2.08 122.41 3121.42 866.02 05:00:01 2.12 0.35 1.74 0.03 45.69 122.45 0.47 05:10:34 1.36 0.00 1.34 0.02 0.19 26.96 3.48 05:20:04 1.37 0.00 1.34 0.03 0.01 31.12 5.63 Average: 7.10 0.46 6.07 0.57 43.06 865.36 230.43 04:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:34 5184884 7384512 382304 4.70 87572 2272880 705040 7.68 610540 2045324 212 05:00:01 5106764 7348324 417560 5.13 88012 2314280 908080 9.89 629152 2077076 300 05:10:34 5119280 7364672 401236 4.93 88208 2317852 885192 9.64 631180 2080876 124 05:20:04 5122572 7372552 393256 4.84 88424 2322188 885208 9.64 631364 2085400 344 Average: 5133375 7367515 398589 4.90 88054 2306800 845880 9.21 625559 2072169 245 04:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:34 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 04:50:34 ens3 104.01 77.91 235.22 13.76 0.00 0.00 0.00 0.00 05:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 13.55 13.09 6.23 0.97 0.00 0.00 0.00 0.00 05:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:34 ens3 12.26 11.91 2.80 0.96 0.00 0.00 0.00 0.00 05:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:04 ens3 27.29 27.31 5.37 1.92 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 40.29 33.22 65.42 4.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57704) 09/23/26 _x86_64_ (2 CPU) 04:39:01 LINUX RESTART (2 CPU) 04:40:02 CPU %user %nice %system %iowait %steal %idle 04:50:34 all 10.60 0.00 1.96 1.01 0.01 86.41 04:50:34 0 8.91 0.00 1.82 1.11 0.01 88.14 04:50:34 1 12.29 0.00 2.10 0.91 0.01 84.68 05:00:01 all 1.23 0.00 0.43 0.03 0.00 98.31 05:00:01 0 1.49 0.00 0.45 0.05 0.01 98.01 05:00:01 1 0.97 0.00 0.40 0.01 0.00 98.61 05:10:34 all 1.25 0.00 0.28 0.01 0.01 98.45 05:10:34 0 1.81 0.00 0.32 0.01 0.01 97.85 05:10:34 1 0.70 0.00 0.24 0.01 0.01 99.04 05:20:04 all 1.17 0.00 0.34 0.02 0.00 98.47 05:20:04 0 1.62 0.00 0.38 0.03 0.01 97.96 05:20:04 1 0.72 0.00 0.30 0.00 0.00 98.97 Average: all 3.70 0.00 0.77 0.28 0.01 95.24 Average: 0 3.56 0.00 0.76 0.32 0.01 95.35 Average: 1 3.83 0.00 0.78 0.25 0.01 95.14