---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3700 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 791 5250 4 2187 7149 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:9d:4a:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82245sec preferred_lft 82245sec inet6 fe80::f816:3eff:fe9d:4a2f/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-3700) 04/17/26 _x86_64_ (2 CPU) 00:42:34 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.45 0.01 1.43 0.01 0.05 17.80 423.53 01:10:02 1.78 0.32 1.43 0.03 40.14 73.77 1.44 01:20:01 1.44 0.01 1.43 0.01 1.07 17.17 0.53 01:30:19 13.69 0.00 1.50 12.18 0.14 18.10 106256.86 01:40:19 3.74 1.33 2.36 0.05 96.52 222.89 3.51 01:50:01 21.59 1.75 17.60 2.25 136.07 3030.27 1537.90 Average: 7.24 0.56 4.21 2.47 44.79 547.79 18584.33 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6288408 7535040 285208 3.51 30660 1421876 524808 5.72 449536 1183488 124 01:10:02 6232884 7508416 311184 3.83 31044 1450012 732624 7.98 467196 1200940 272 01:20:01 6248284 7524664 295040 3.63 31244 1450648 525200 5.72 462208 1201468 164 01:30:19 6252052 7529036 290580 3.57 31432 1451024 525200 5.72 462060 1202004 224 01:40:19 5950592 7361924 450328 5.54 42200 1568284 663660 7.23 625488 1317316 51848 01:50:01 5263808 7379176 392248 4.82 84884 2194824 653344 7.12 626012 1953564 956 Average: 6039338 7473043 337431 4.15 41911 1589445 604139 6.58 515417 1343130 8931 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.71 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.75 0.31 3.25 0.08 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 0.58 0.22 0.17 0.53 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:19 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 22.13 12.27 81.11 4.51 0.00 0.00 0.00 0.00 01:50:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 96.38 67.30 235.60 14.36 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 19.65 13.02 52.17 3.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3700) 04/17/26 _x86_64_ (2 CPU) 00:42:34 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.30 0.00 0.15 0.01 0.04 99.50 01:00:19 0 0.46 0.00 0.13 0.02 0.02 99.36 01:00:19 1 0.13 0.00 0.17 0.00 0.05 99.64 01:10:02 all 0.33 0.00 0.12 0.03 0.04 99.49 01:10:02 0 0.49 0.00 0.12 0.04 0.03 99.31 01:10:02 1 0.17 0.00 0.12 0.01 0.04 99.66 01:20:01 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:01 0 0.08 0.00 0.09 0.02 0.04 99.78 01:20:01 1 0.46 0.00 0.06 0.01 0.03 99.44 01:30:19 all 0.23 0.00 0.16 0.03 0.03 99.55 01:30:19 0 0.21 0.00 0.16 0.03 0.03 99.57 01:30:19 1 0.25 0.00 0.16 0.03 0.04 99.53 01:40:19 all 1.50 0.00 0.28 0.09 0.04 98.10 01:40:19 0 1.67 0.00 0.26 0.09 0.02 97.95 01:40:19 1 1.33 0.00 0.30 0.08 0.05 98.24 01:50:01 all 12.89 0.00 1.78 0.51 0.06 84.77 01:50:01 0 12.00 0.00 1.69 0.48 0.07 85.77 01:50:01 1 13.78 0.00 1.87 0.53 0.05 83.76 Average: all 2.52 0.00 0.42 0.11 0.04 96.91 Average: 0 2.42 0.00 0.40 0.11 0.04 97.03 Average: 1 2.62 0.00 0.44 0.11 0.04 96.80