---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54113 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 778 5126 4 2334 7163 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:d2:c8:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81732sec preferred_lft 81732sec inet6 fe80::f816:3eff:fed2:c809/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54113) 03/30/26 _x86_64_ (2 CPU) 00:41:23 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.65 0.01 1.62 0.03 0.05 19.70 654.67 01:10:01 29.39 14.15 2.31 12.93 195.30 102.72 111395.53 01:20:01 1.37 0.00 1.36 0.00 0.01 15.81 0.36 01:30:13 1.50 0.00 1.48 0.02 0.00 18.21 212.40 01:40:01 1.33 0.00 1.33 0.00 0.00 15.54 0.00 01:50:01 24.20 3.02 18.96 2.22 226.74 3117.11 626.53 Average: 9.84 2.82 4.52 2.50 69.91 549.63 18495.50 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6288336 7539556 280780 3.45 30768 1426076 522392 5.69 444132 1187360 176 01:10:01 6191100 7527996 282656 3.48 35152 1498628 520764 5.67 455068 1252296 124 01:20:01 6191100 7528512 282140 3.47 35336 1498952 520844 5.67 455616 1252804 236 01:30:13 6199552 7537488 273144 3.36 35508 1499284 520984 5.67 455488 1253308 156 01:40:01 6198368 7536932 273704 3.37 35676 1499740 520984 5.67 455800 1253804 152 01:50:01 5261672 7429784 332812 4.09 88816 2235056 575748 6.27 577460 1996844 2364 Average: 6055021 7516711 287539 3.54 43543 1609623 530286 5.78 473927 1366069 535 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.66 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.17 0.24 13.48 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.33 0.05 0.08 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 0.39 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 60.14 41.68 297.36 11.33 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.58 7.06 52.00 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54113) 03/30/26 _x86_64_ (2 CPU) 00:41:23 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.28 0.00 0.17 0.02 0.03 99.50 01:00:13 0 0.09 0.00 0.19 0.01 0.04 99.66 01:00:13 1 0.46 0.00 0.15 0.02 0.03 99.34 01:10:01 all 0.34 0.17 0.19 0.17 0.04 99.08 01:10:01 0 0.59 0.01 0.15 0.03 0.04 99.19 01:10:01 1 0.10 0.34 0.23 0.31 0.04 98.97 01:20:01 all 0.32 0.00 0.07 0.01 0.04 99.56 01:20:01 0 0.20 0.00 0.07 0.02 0.05 99.67 01:20:01 1 0.44 0.00 0.07 0.01 0.04 99.44 01:30:13 all 0.26 0.00 0.16 0.01 0.04 99.53 01:30:13 0 0.07 0.00 0.19 0.02 0.04 99.68 01:30:13 1 0.45 0.00 0.14 0.01 0.03 99.37 01:40:01 all 0.23 0.00 0.07 0.01 0.04 99.65 01:40:01 0 0.05 0.00 0.09 0.02 0.05 99.79 01:40:01 1 0.41 0.00 0.04 0.00 0.03 99.51 01:50:01 all 10.59 0.00 1.62 2.04 0.06 85.70 01:50:01 0 10.60 0.00 1.56 3.36 0.06 84.42 01:50:01 1 10.58 0.00 1.67 0.71 0.05 86.98 Average: all 2.01 0.03 0.38 0.38 0.04 97.17 Average: 0 1.94 0.00 0.38 0.58 0.05 97.06 Average: 1 2.08 0.06 0.38 0.18 0.04 97.27