---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22162 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 776 5209 4 2253 7165 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:03:ac:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81528sec preferred_lft 81528sec inet6 fe80::f816:3eff:fe03:ac57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22162) 03/24/26 _x86_64_ (2 CPU) 00:39:53 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 22.54 17.11 5.33 0.11 577.63 3724.29 225.40 01:00:03 1.49 0.01 1.45 0.03 1.09 17.61 1.25 01:10:03 1.14 0.00 1.13 0.02 0.00 13.74 1.09 01:20:03 1.15 0.00 1.14 0.00 0.01 13.90 0.12 01:30:03 1.45 0.00 1.43 0.02 0.00 17.33 0.25 01:40:03 1.52 0.00 1.52 0.01 0.00 18.32 0.08 01:50:03 21.87 3.01 16.64 2.21 227.29 3118.65 496.01 02:00:04 3.23 0.05 2.51 0.66 2.10 126.83 2844.36 Average: 6.80 2.53 3.89 0.38 101.19 882.36 446.41 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6160232 7492416 318548 3.92 34700 1494628 725500 7.90 463684 1247336 216 01:00:03 6187332 7520396 290616 3.57 34912 1495268 520200 5.67 458448 1247872 188 01:10:03 6193128 7526728 284280 3.50 35112 1495596 520264 5.67 458452 1248404 220 01:20:03 6192876 7526988 284020 3.49 35296 1495920 520432 5.67 460564 1248912 196 01:30:03 6190432 7525048 285952 3.52 35460 1496252 520432 5.67 460380 1249408 236 01:40:03 6184144 7519424 291536 3.58 35664 1496704 547784 5.97 464328 1249936 188 01:50:03 5266496 7430832 332004 4.08 88932 2231412 581364 6.33 568640 1992356 2456 02:00:04 5353332 7349632 422024 5.19 90340 2070028 666284 7.26 654556 1832112 37744 Average: 5965996 7486433 313622 3.86 48802 1659476 575282 6.27 498632 1414542 5180 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 12.35 6.56 38.77 1.78 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.46 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.43 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.46 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.44 0.25 0.11 0.60 0.00 0.00 0.00 0.00 01:50:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 98.44 69.24 303.96 16.62 0.00 0.00 0.00 0.00 02:00:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 27.16 17.93 14.56 6.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.50 11.78 44.71 3.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22162) 03/24/26 _x86_64_ (2 CPU) 00:39:53 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.89 0.17 0.58 0.38 0.03 97.95 00:50:02 0 1.03 0.34 0.70 0.59 0.03 97.31 00:50:02 1 0.74 0.01 0.46 0.16 0.03 98.59 01:00:03 all 0.29 0.00 0.16 0.02 0.03 99.50 01:00:03 0 0.27 0.00 0.16 0.01 0.03 99.53 01:00:03 1 0.32 0.00 0.17 0.03 0.03 99.46 01:10:03 all 0.23 0.00 0.07 0.01 0.03 99.66 01:10:03 0 0.41 0.00 0.04 0.01 0.02 99.51 01:10:03 1 0.05 0.00 0.09 0.01 0.04 99.81 01:20:03 all 0.28 0.00 0.07 0.01 0.03 99.60 01:20:03 0 0.47 0.00 0.05 0.01 0.02 99.44 01:20:03 1 0.09 0.00 0.09 0.01 0.04 99.77 01:30:03 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:03 0 0.47 0.00 0.15 0.00 0.02 99.35 01:30:03 1 0.07 0.00 0.18 0.02 0.04 99.69 01:40:03 all 0.25 0.00 0.08 0.01 0.03 99.63 01:40:03 0 0.34 0.00 0.07 0.01 0.03 99.56 01:40:03 1 0.16 0.00 0.09 0.02 0.04 99.69 01:50:03 all 10.77 0.00 1.68 0.59 0.05 86.91 01:50:03 0 7.94 0.00 1.46 0.40 0.04 90.16 01:50:03 1 13.59 0.00 1.90 0.79 0.06 83.66 02:00:04 all 6.50 0.00 0.74 0.05 0.06 92.66 02:00:04 0 6.65 0.00 0.70 0.02 0.06 92.58 02:00:04 1 6.34 0.00 0.77 0.07 0.06 92.75 Average: all 2.43 0.02 0.44 0.14 0.04 96.93 Average: 0 2.20 0.04 0.42 0.13 0.03 97.18 Average: 1 2.67 0.00 0.47 0.14 0.04 96.68