---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28485 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 751 5147 4 2344 7190 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:c0:38:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81384sec preferred_lft 81384sec inet6 fe80::f816:3eff:fec0:381b/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-28485) 06/19/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.45 0.01 1.43 0.02 0.04 17.91 0.85 01:10:03 1.22 0.00 1.20 0.02 0.00 14.46 1.20 01:20:02 1.16 0.00 1.15 0.00 0.01 14.14 0.24 01:30:01 2.00 0.25 1.72 0.03 31.04 77.40 433.69 01:40:01 1.42 0.00 1.41 0.00 1.05 16.67 0.05 01:50:01 14.03 0.00 1.44 12.59 0.15 16.79 109135.67 02:00:01 25.61 3.00 20.28 2.33 227.26 3469.01 859.86 Average: 6.70 0.47 4.09 2.14 37.07 517.94 15783.91 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6224392 7531920 279416 3.44 34732 1470068 530860 5.78 449696 1235512 180 01:10:03 6234600 7542664 268688 3.30 34932 1470396 530860 5.78 449980 1236040 188 01:20:02 6231372 7539940 271404 3.34 35104 1470728 531148 5.79 451944 1236540 296 01:30:01 6176928 7512472 298260 3.67 35468 1496940 728396 7.93 466200 1254360 128 01:40:01 6191764 7528232 282504 3.47 35640 1497712 531212 5.79 461120 1254852 156 01:50:01 6188744 7525748 284984 3.50 35800 1498080 531284 5.79 461624 1255356 172 02:00:01 5144072 7404596 353268 4.34 90640 2321712 636336 6.93 592804 2088268 1544 Average: 6055982 7512225 291218 3.58 43188 1603662 574299 6.26 476195 1365847 381 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.58 0.07 0.09 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 0.61 0.16 0.18 0.10 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.57 0.25 0.13 0.60 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.95 0.49 3.22 0.06 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 0.46 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.10 0.11 0.06 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 114.73 77.79 324.59 17.66 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 16.89 11.28 46.91 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28485) 06/19/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.28 0.00 0.17 0.01 0.01 99.53 01:00:03 0 0.10 0.00 0.20 0.01 0.02 99.69 01:00:03 1 0.47 0.00 0.14 0.02 0.01 99.36 01:10:03 all 0.27 0.00 0.07 0.01 0.01 99.64 01:10:03 0 0.08 0.00 0.09 0.01 0.02 99.81 01:10:03 1 0.46 0.00 0.05 0.01 0.01 99.47 01:20:02 all 0.30 0.00 0.08 0.01 0.01 99.60 01:20:02 0 0.25 0.00 0.08 0.00 0.01 99.65 01:20:02 1 0.34 0.00 0.07 0.02 0.02 99.55 01:30:01 all 0.41 0.00 0.19 0.02 0.01 99.37 01:30:01 0 0.62 0.00 0.17 0.03 0.01 99.17 01:30:01 1 0.19 0.00 0.21 0.02 0.02 99.57 01:40:01 all 0.25 0.00 0.07 0.01 0.01 99.66 01:40:01 0 0.05 0.00 0.09 0.02 0.01 99.84 01:40:01 1 0.45 0.00 0.05 0.01 0.01 99.48 01:50:01 all 0.27 0.00 0.08 0.03 0.01 99.61 01:50:01 0 0.07 0.00 0.11 0.04 0.01 99.78 01:50:01 1 0.47 0.00 0.06 0.03 0.01 99.43 02:00:01 all 14.36 0.00 2.10 0.69 0.05 82.79 02:00:01 0 14.90 0.00 2.07 0.39 0.05 82.59 02:00:01 1 13.83 0.00 2.14 0.99 0.05 83.00 Average: all 2.30 0.00 0.39 0.11 0.02 97.18 Average: 0 2.29 0.00 0.40 0.07 0.02 97.22 Average: 1 2.31 0.00 0.39 0.15 0.02 97.13