---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9516 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 22% / 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 785 5166 4 2278 7155 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:51:28:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80996sec preferred_lft 80996sec inet6 fe80::f816:3eff:fe51:28e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9516) 04/29/26 _x86_64_ (2 CPU) 01:49:08 LINUX RESTART (2 CPU) 01:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:18 2.22 0.28 1.91 0.03 31.74 77.48 1069.76 02:10:01 1.47 0.04 1.42 0.01 3.35 16.88 0.84 02:20:09 1.27 0.00 1.25 0.02 0.01 15.16 1.19 02:30:19 13.79 0.00 1.43 12.36 0.14 17.50 107926.57 02:40:01 1.26 0.00 1.25 0.02 0.00 15.23 0.91 02:50:21 4.02 1.31 2.62 0.09 95.10 246.17 3.76 03:00:21 20.80 1.65 16.96 2.18 128.23 2932.36 1025.88 03:10:09 1.55 0.00 1.55 0.01 0.35 69.84 0.05 Average: 5.84 0.42 3.55 1.87 32.81 424.69 13983.80 01:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:18 6257752 7530320 289580 3.56 30744 1447140 722016 7.86 456676 1200104 308 02:10:01 6253404 7527436 292552 3.60 30944 1448380 528096 5.75 452092 1200676 132 02:20:09 6253404 7527988 291960 3.59 31148 1448720 528276 5.75 452180 1201220 156 02:30:19 6246972 7522208 297544 3.66 31348 1449132 528276 5.75 452236 1201804 172 02:40:01 6246972 7522840 296904 3.65 31552 1449556 528408 5.76 452556 1202304 124 02:50:21 5931052 7361068 449932 5.53 43632 1584440 712300 7.76 613548 1336376 64832 03:00:21 5276324 7398936 372404 4.58 85032 2201548 641788 6.99 608424 1962660 1200 03:10:09 5256744 7393804 377380 4.64 85184 2215868 707756 7.71 616624 1977000 552 Average: 5965328 7473075 333532 4.10 46198 1655598 612114 6.67 513042 1410268 8434 01:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 1.46 0.27 3.17 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.86 0.06 9.81 0.02 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.33 0.08 0.10 0.06 0.00 0.00 0.00 0.00 02:50:21 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:50:21 ens3 18.49 12.07 86.80 4.53 0.00 0.00 0.00 0.00 03:00:21 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 03:00:21 ens3 54.20 40.73 215.58 8.15 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 42.91 38.70 9.53 5.41 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 14.79 11.44 40.93 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9516) 04/29/26 _x86_64_ (2 CPU) 01:49:08 LINUX RESTART (2 CPU) 01:50:07 CPU %user %nice %system %iowait %steal %idle 02:00:18 all 0.43 0.00 0.29 0.07 0.04 99.17 02:00:18 0 0.29 0.00 0.30 0.08 0.04 99.29 02:00:18 1 0.57 0.00 0.28 0.07 0.03 99.05 02:10:01 all 0.30 0.00 0.09 0.01 0.04 99.56 02:10:01 0 0.39 0.00 0.08 0.01 0.04 99.49 02:10:01 1 0.21 0.00 0.09 0.02 0.04 99.64 02:20:09 all 0.23 0.00 0.07 0.03 0.04 99.63 02:20:09 0 0.40 0.00 0.06 0.02 0.03 99.50 02:20:09 1 0.05 0.00 0.09 0.05 0.05 99.77 02:30:19 all 0.27 0.00 0.18 0.04 0.04 99.48 02:30:19 0 0.12 0.00 0.20 0.06 0.05 99.58 02:30:19 1 0.41 0.00 0.16 0.02 0.03 99.38 02:40:01 all 0.24 0.00 0.07 0.04 0.04 99.61 02:40:01 0 0.05 0.00 0.09 0.02 0.04 99.80 02:40:01 1 0.42 0.00 0.04 0.07 0.03 99.43 02:50:21 all 1.67 0.00 0.32 0.14 0.04 97.84 02:50:21 0 1.15 0.00 0.32 0.14 0.04 98.35 02:50:21 1 2.20 0.00 0.32 0.13 0.03 97.33 03:00:21 all 11.86 0.00 1.69 0.72 0.08 85.66 03:00:21 0 13.52 0.00 1.76 0.67 0.09 83.95 03:00:21 1 10.20 0.00 1.62 0.77 0.07 87.35 03:10:09 all 5.79 0.00 0.54 0.01 0.08 93.57 03:10:09 0 6.54 0.00 0.52 0.01 0.08 92.84 03:10:09 1 5.05 0.00 0.55 0.01 0.08 94.30 Average: all 2.57 0.00 0.40 0.13 0.05 96.84 Average: 0 2.77 0.00 0.41 0.13 0.05 96.64 Average: 1 2.38 0.00 0.39 0.14 0.05 97.05