---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17251 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 782 5190 4 2260 7159 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:02:b6:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82142sec preferred_lft 82142sec inet6 fe80::f816:3eff:fe02:b66e/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-17251) 05/21/26 _x86_64_ (2 CPU) 00:15:40 LINUX RESTART (2 CPU) 00:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:12 1.47 0.03 1.43 0.01 1.24 18.01 653.91 00:40:01 1.27 0.01 1.25 0.02 0.05 15.28 1.22 00:50:12 1.76 0.25 1.48 0.03 30.43 72.15 1.35 01:00:12 1.49 0.01 1.45 0.03 1.05 18.51 654.61 01:10:01 24.93 3.24 19.27 2.41 237.37 3698.34 2626.08 01:20:02 1.32 0.00 1.30 0.02 0.00 21.74 1.13 Average: 5.31 0.58 4.32 0.41 44.49 631.01 649.96 00:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:12 6306092 7553072 267596 3.29 30604 1422068 535000 5.83 439652 1183252 184 00:40:01 6298308 7545852 274812 3.38 30828 1422400 535068 5.83 440400 1183808 164 00:50:12 6241436 7515708 304412 3.74 31208 1448408 730280 7.95 455784 1201428 308 01:00:12 6256300 7531476 288592 3.55 31440 1449040 535472 5.83 450604 1201984 208 01:10:01 5162080 7354544 413248 5.08 86944 2266284 677356 7.38 629096 2028816 216 01:20:02 5152988 7347672 420128 5.17 87128 2268280 678980 7.40 621852 2030900 244 Average: 5902867 7474721 328131 4.03 49692 1712747 615359 6.70 506231 1471698 221 00:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.86 0.15 0.20 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.62 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:50:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 0.67 0.30 3.11 0.58 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.26 0.07 0.09 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 2.53 2.53 0.21 0.21 0.00 0.00 0.00 0.00 01:10:01 ens3 67.65 48.37 333.78 12.22 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 10.83 8.75 60.09 0.91 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 13.31 9.51 65.41 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17251) 05/21/26 _x86_64_ (2 CPU) 00:15:40 LINUX RESTART (2 CPU) 00:20:12 CPU %user %nice %system %iowait %steal %idle 00:30:12 all 0.30 0.00 0.18 0.01 0.04 99.46 00:30:12 0 0.50 0.00 0.16 0.01 0.02 99.31 00:30:12 1 0.11 0.00 0.20 0.02 0.05 99.62 00:40:01 all 0.27 0.00 0.08 0.01 0.03 99.60 00:40:01 0 0.46 0.00 0.06 0.01 0.03 99.45 00:40:01 1 0.09 0.00 0.10 0.01 0.04 99.76 00:50:12 all 0.34 0.00 0.09 0.02 0.03 99.51 00:50:12 0 0.32 0.00 0.11 0.02 0.03 99.52 00:50:12 1 0.36 0.00 0.07 0.02 0.03 99.51 01:00:12 all 0.20 0.00 0.17 0.01 0.03 99.59 01:00:12 0 0.20 0.00 0.17 0.02 0.03 99.58 01:00:12 1 0.20 0.00 0.16 0.01 0.03 99.60 01:10:01 all 12.68 0.00 1.76 0.57 0.07 84.93 01:10:01 0 11.16 0.00 1.72 0.46 0.06 86.59 01:10:01 1 14.19 0.00 1.80 0.68 0.07 83.26 01:20:02 all 0.78 0.00 0.19 0.01 0.07 98.95 01:20:02 0 0.82 0.00 0.22 0.00 0.09 98.88 01:20:02 1 0.74 0.00 0.16 0.02 0.06 99.03 Average: all 2.40 0.00 0.41 0.10 0.05 97.05 Average: 0 2.21 0.00 0.40 0.08 0.04 97.26 Average: 1 2.58 0.00 0.41 0.12 0.05 96.84