---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34132 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 8.1G 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 749 5025 4 2460 7192 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:c0:6c:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81710sec preferred_lft 81710sec inet6 fe80::f816:3eff:fec0:6cef/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-34132) 07/09/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.25 0.29 1.93 0.03 33.83 80.71 443.89 02:10:51 13.01 0.01 1.41 11.59 0.18 16.60 100725.39 02:20:21 1.52 0.00 1.52 0.00 0.01 17.80 0.03 02:30:01 1.53 0.00 1.51 0.02 0.00 18.57 901.56 02:40:51 1.31 0.00 1.31 0.00 0.00 15.60 0.00 02:50:11 1.42 0.00 1.42 0.00 0.00 16.66 0.00 03:00:01 26.42 3.06 21.02 2.35 234.48 3711.56 860.39 Average: 6.87 0.47 4.26 2.13 37.80 546.00 15935.75 01:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6258372 7536428 283608 3.49 30836 1452472 519936 5.66 455320 1204980 124 02:10:51 6257608 7536292 283624 3.49 31048 1452872 520000 5.66 455436 1205564 124 02:20:21 6257360 7536580 283184 3.48 31244 1453204 575100 6.26 460680 1206088 192 02:30:01 6247296 7527016 292804 3.60 31436 1453500 520180 5.67 455604 1206576 252 02:40:51 6255108 7535508 284308 3.50 31616 1453988 520180 5.67 455968 1207120 124 02:50:11 6259472 7540340 279468 3.44 31784 1454284 520364 5.67 456356 1207584 136 03:00:01 5120984 7379144 387432 4.76 87460 2330572 661572 7.21 622256 2093680 4040 Average: 6093743 7513044 299204 3.68 39346 1578699 548190 5.97 480231 1333085 713 01:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.58 0.24 3.35 0.05 0.00 0.00 0.00 0.00 02:10:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:51 ens3 0.43 0.05 0.29 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.17 0.03 0.03 0.01 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 0.27 0.02 1.13 0.01 0.00 0.00 0.00 0.00 02:40:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:51 ens3 0.30 0.05 0.10 0.03 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.30 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 69.96 51.80 365.40 14.46 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 10.28 7.36 52.14 2.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34132) 07/09/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:11 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.21 0.02 0.02 99.32 02:00:01 0 0.46 0.00 0.16 0.02 0.01 99.35 02:00:01 1 0.40 0.00 0.25 0.02 0.02 99.30 02:10:51 all 0.29 0.00 0.09 0.12 0.01 99.49 02:10:51 0 0.24 0.00 0.10 0.21 0.02 99.44 02:10:51 1 0.33 0.00 0.08 0.04 0.01 99.54 02:20:21 all 0.28 0.00 0.09 0.01 0.01 99.60 02:20:21 0 0.39 0.00 0.07 0.02 0.01 99.51 02:20:21 1 0.17 0.00 0.12 0.01 0.02 99.69 02:30:01 all 0.30 0.00 0.18 0.01 0.02 99.50 02:30:01 0 0.49 0.00 0.18 0.01 0.02 99.30 02:30:01 1 0.10 0.00 0.19 0.01 0.02 99.69 02:40:51 all 0.29 0.00 0.10 0.05 0.02 99.54 02:40:51 0 0.47 0.00 0.08 0.02 0.02 99.42 02:40:51 1 0.11 0.00 0.13 0.08 0.02 99.66 02:50:11 all 0.26 0.00 0.09 0.03 0.02 99.60 02:50:11 0 0.32 0.00 0.07 0.01 0.02 99.58 02:50:11 1 0.21 0.00 0.10 0.05 0.02 99.62 03:00:01 all 18.40 0.00 2.03 1.23 0.08 78.26 03:00:01 0 23.51 0.00 1.98 0.77 0.09 73.66 03:00:01 1 13.30 0.00 2.08 1.69 0.07 82.86 Average: all 2.85 0.00 0.39 0.21 0.03 96.52 Average: 0 3.64 0.00 0.37 0.15 0.03 95.81 Average: 1 2.06 0.00 0.42 0.27 0.03 97.23