---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31305 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 764 5204 4 2265 7177 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:2e:17:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81869sec preferred_lft 81869sec inet6 fe80::f816:3eff:fe2e:1738/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31305) 06/28/26 _x86_64_ (2 CPU) 01:41:50 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.57 0.01 1.55 0.02 0.05 18.74 449.25 02:10:19 1.38 0.00 1.36 0.02 0.00 15.93 1.28 02:20:19 1.86 0.25 1.59 0.01 30.99 75.43 0.37 02:30:01 14.56 0.00 1.61 12.94 0.15 19.23 112943.39 02:40:19 1.37 0.00 1.37 0.00 0.00 16.04 0.00 02:50:10 1.84 0.41 1.43 0.00 16.07 49.24 0.01 Average: 3.70 0.11 1.48 2.11 7.86 32.36 18379.64 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6294112 7541044 279476 3.44 30684 1421920 524840 5.72 444840 1183552 128 02:10:19 6301924 7549396 271144 3.33 30896 1422248 524840 5.72 444940 1184092 124 02:20:19 6255364 7529880 290272 3.57 31252 1448588 723140 7.88 459432 1202024 196 02:30:01 6261636 7536764 283188 3.48 31440 1448956 723204 7.88 459504 1202552 124 02:40:19 6260668 7536420 283516 3.49 31600 1449412 723204 7.88 459536 1203040 156 02:50:10 6208300 7499156 320580 3.94 31904 1464044 765640 8.34 510624 1216468 332 Average: 6263667 7532110 288029 3.54 31296 1442528 664145 7.23 463146 1198621 177 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.59 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.40 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.87 0.45 3.22 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.19 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 11.00 5.29 20.34 2.57 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.21 0.98 3.93 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31305) 06/28/26 _x86_64_ (2 CPU) 01:41:50 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.16 0.03 0.03 99.48 02:00:01 0 0.49 0.00 0.16 0.02 0.02 99.30 02:00:01 1 0.09 0.00 0.16 0.04 0.04 99.67 02:10:19 all 0.24 0.00 0.08 0.03 0.03 99.63 02:10:19 0 0.44 0.00 0.07 0.04 0.02 99.43 02:10:19 1 0.04 0.00 0.09 0.01 0.04 99.82 02:20:19 all 0.38 0.00 0.11 0.14 0.03 99.35 02:20:19 0 0.41 0.00 0.07 0.16 0.02 99.33 02:20:19 1 0.34 0.00 0.14 0.12 0.04 99.36 02:30:01 all 0.27 0.00 0.19 0.11 0.03 99.41 02:30:01 0 0.46 0.00 0.17 0.11 0.02 99.23 02:30:01 1 0.07 0.00 0.21 0.10 0.03 99.59 02:40:19 all 0.25 0.00 0.09 0.05 0.02 99.60 02:40:19 0 0.25 0.00 0.08 0.02 0.02 99.62 02:40:19 1 0.24 0.00 0.09 0.07 0.02 99.58 02:50:10 all 0.59 0.00 0.11 0.09 0.03 99.19 02:50:10 0 0.40 0.00 0.13 0.04 0.04 99.40 02:50:10 1 0.77 0.00 0.09 0.13 0.02 98.98 Average: all 0.33 0.00 0.12 0.07 0.03 99.44 Average: 0 0.41 0.00 0.11 0.07 0.03 99.39 Average: 1 0.26 0.00 0.13 0.08 0.03 99.50