---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66321 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 740 5315 4 2174 7201 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:18:2a:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82140sec preferred_lft 82140sec inet6 fe80::f816:3eff:fe18:2a1d/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-66321) 04/04/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.39 0.01 1.35 0.02 1.17 16.74 0.72 01:10:34 13.13 0.00 1.22 11.91 0.14 14.79 103443.78 01:20:04 1.17 0.00 1.15 0.02 0.01 13.68 1.14 01:30:01 1.38 0.00 1.35 0.03 0.00 16.78 1.48 01:40:34 1.24 0.00 1.22 0.02 0.00 14.71 1.25 01:50:17 23.32 3.12 17.89 2.31 234.42 3210.87 558.81 Average: 6.97 0.51 3.97 2.49 38.34 535.04 18356.97 00:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6252780 7528536 291644 3.59 30860 1450216 527256 5.74 456688 1200188 128 01:10:34 6252332 7528736 291396 3.58 31088 1450624 527452 5.74 456828 1200796 176 01:20:04 6260156 7537052 283108 3.48 31280 1450920 527476 5.75 457268 1201284 200 01:30:01 6269272 7546732 273352 3.36 31500 1451248 527476 5.75 457240 1201832 124 01:40:34 6275880 7554048 266056 3.27 31720 1451728 527596 5.75 458096 1202404 132 01:50:17 5332660 7441472 330316 4.06 85300 2187612 616964 6.72 554860 1946308 2372 Average: 6107180 7522763 289312 3.56 40291 1573725 542370 5.91 473497 1325469 522 00:50:32 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 0.60 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:34 ens3 0.59 0.06 2.33 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.57 0.09 0.32 0.07 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 0.30 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:34 ens3 0.44 0.09 0.14 0.07 0.00 0.00 0.00 0.00 01:50:17 lo 1.31 1.31 0.09 0.09 0.00 0.00 0.00 0.00 01:50:17 ens3 64.57 41.68 306.66 11.81 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.92 6.84 50.39 1.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66321) 04/04/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:32 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.18 0.01 0.02 99.48 01:00:01 0 0.52 0.00 0.16 0.01 0.02 99.30 01:00:01 1 0.09 0.00 0.20 0.01 0.03 99.66 01:10:34 all 0.25 0.00 0.08 0.03 0.02 99.62 01:10:34 0 0.44 0.00 0.08 0.02 0.02 99.44 01:10:34 1 0.05 0.00 0.09 0.04 0.03 99.79 01:20:04 all 0.27 0.00 0.07 0.01 0.03 99.63 01:20:04 0 0.49 0.00 0.06 0.00 0.02 99.42 01:20:04 1 0.05 0.00 0.08 0.02 0.03 99.83 01:30:01 all 0.23 0.00 0.16 0.01 0.03 99.57 01:30:01 0 0.29 0.00 0.14 0.01 0.02 99.53 01:30:01 1 0.16 0.00 0.18 0.02 0.03 99.61 01:40:34 all 0.24 0.00 0.08 0.01 0.02 99.65 01:40:34 0 0.28 0.00 0.07 0.02 0.02 99.60 01:40:34 1 0.19 0.00 0.09 0.01 0.03 99.69 01:50:17 all 10.96 0.00 1.68 0.52 0.04 86.80 01:50:17 0 12.02 0.00 1.71 0.46 0.04 85.76 01:50:17 1 9.90 0.00 1.65 0.57 0.04 87.84 Average: all 2.00 0.00 0.37 0.10 0.03 97.51 Average: 0 2.29 0.00 0.36 0.08 0.02 97.24 Average: 1 1.70 0.00 0.37 0.11 0.03 97.79