---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8368 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 794 5239 4 2196 7147 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:22:5b:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81762sec preferred_lft 81762sec inet6 fe80::f816:3eff:fe22:5b6d/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-8368) 04/27/26 _x86_64_ (2 CPU) 01:47:46 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.66 0.03 1.61 0.02 1.25 19.34 881.63 02:10:08 13.91 0.01 1.48 12.42 0.20 17.36 108039.96 02:20:08 1.37 0.00 1.35 0.02 0.01 15.96 1.32 02:30:08 2.30 0.32 1.93 0.05 40.07 78.08 872.37 02:40:08 1.40 0.00 1.39 0.01 0.00 16.01 1.08 02:50:03 1.78 0.40 1.36 0.02 15.95 47.50 1.21 03:00:08 21.87 2.60 17.03 2.24 210.65 3120.79 636.64 Average: 6.37 0.48 3.75 2.13 38.51 476.87 15939.56 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6290076 7540468 280168 3.45 30632 1425600 528624 5.76 442552 1187328 124 02:10:08 6290076 7541064 279452 3.44 30848 1425984 528612 5.76 442636 1187892 156 02:20:08 6295928 7547472 273052 3.36 31080 1426296 528784 5.76 442752 1188444 184 02:30:08 6244544 7525504 294356 3.62 31480 1454900 528784 5.76 454196 1206072 124 02:40:08 6250876 7532364 287492 3.54 31676 1455228 528848 5.76 456484 1206596 128 02:50:03 6222140 7518832 300752 3.70 32020 1470020 547108 5.96 489160 1220076 272 03:00:08 5252708 7375136 396500 4.88 85312 2201312 664500 7.24 626244 1960632 212 Average: 6120907 7511549 301682 3.71 39007 1551334 550751 6.00 479146 1308149 171 01:50:08 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 0.77 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.44 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.59 0.03 2.36 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.40 0.19 3.10 0.03 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.45 0.11 0.16 0.09 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 13.25 5.47 20.32 3.13 0.00 0.00 0.00 0.00 03:00:08 lo 1.28 1.28 0.09 0.09 0.00 0.00 0.00 0.00 03:00:08 ens3 103.05 73.69 287.87 15.42 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.09 11.44 45.14 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8368) 04/27/26 _x86_64_ (2 CPU) 01:47:46 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 02:00:01 0 0.43 0.00 0.17 0.01 0.03 99.37 02:00:01 1 0.15 0.00 0.17 0.01 0.04 99.62 02:10:08 all 0.26 0.00 0.09 0.03 0.03 99.59 02:10:08 0 0.38 0.00 0.08 0.05 0.03 99.46 02:10:08 1 0.14 0.00 0.09 0.01 0.03 99.72 02:20:08 all 0.27 0.00 0.08 0.02 0.03 99.60 02:20:08 0 0.22 0.00 0.08 0.03 0.03 99.64 02:20:08 1 0.33 0.00 0.08 0.01 0.03 99.56 02:30:08 all 0.40 0.00 0.22 0.02 0.03 99.33 02:30:08 0 0.35 0.00 0.25 0.03 0.04 99.34 02:30:08 1 0.45 0.00 0.19 0.01 0.03 99.32 02:40:08 all 0.27 0.00 0.08 0.01 0.04 99.61 02:40:08 0 0.35 0.00 0.08 0.01 0.04 99.52 02:40:08 1 0.19 0.00 0.07 0.01 0.04 99.69 02:50:03 all 0.48 0.00 0.10 0.11 0.04 99.28 02:50:03 0 0.48 0.00 0.08 0.00 0.04 99.40 02:50:03 1 0.49 0.00 0.11 0.21 0.04 99.16 03:00:08 all 13.34 0.00 1.99 0.48 0.06 84.13 03:00:08 0 9.96 0.00 1.67 0.25 0.06 88.05 03:00:08 1 16.72 0.00 2.30 0.71 0.07 80.20 Average: all 2.20 0.00 0.39 0.10 0.04 97.28 Average: 0 1.75 0.00 0.35 0.06 0.04 97.82 Average: 1 2.65 0.00 0.43 0.14 0.04 96.74