---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2163 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 8.2G 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 748 4993 4 2492 7193 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:f5:80:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81543sec preferred_lft 81543sec inet6 fe80::f816:3eff:fef5:803d/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-2163) 04/12/26 _x86_64_ (2 CPU) 00:14:34 LINUX RESTART (2 CPU) 00:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:18 14.16 0.01 1.60 12.55 0.20 19.43 109849.99 00:40:36 22.78 3.24 17.37 2.17 259.47 3085.66 556.57 00:50:18 1.26 0.01 1.24 0.02 1.09 15.53 1.54 01:00:18 1.34 0.00 1.33 0.02 0.00 17.48 348.39 01:10:18 1.41 0.00 1.40 0.01 0.00 349.27 0.28 01:20:08 1.41 0.00 1.40 0.01 0.00 165.86 0.18 01:30:01 1.57 0.00 1.56 0.01 0.00 19.77 0.23 Average: 6.39 0.48 3.78 2.13 38.52 539.65 15889.87 00:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:18 6262944 7513152 307004 3.78 30708 1425336 522944 5.70 445204 1187312 124 00:40:36 5119892 7230736 540572 6.65 84576 2190644 943216 10.27 722588 1949864 176 00:50:18 5047480 7159164 612296 7.53 84732 2191332 840988 9.16 812688 1950400 132 01:00:18 5050112 7162416 609028 7.49 84840 2191840 839880 9.15 794072 1951016 172 01:10:18 4948820 7162852 607520 7.47 85036 2292420 867532 9.45 823420 2051676 228 01:20:08 4845244 7104492 665152 8.18 85184 2336864 922944 10.05 879080 2096256 132 01:30:01 4719500 6979384 790236 9.72 85340 2337328 925880 10.08 881880 2096876 124 Average: 5141999 7187457 590258 7.26 77202 2137966 837626 9.12 765562 1897629 155 00:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:18 ens3 0.92 0.09 0.15 0.06 0.00 0.00 0.00 0.00 00:40:36 lo 1.31 1.31 0.11 0.11 0.00 0.00 0.00 0.00 00:40:36 ens3 85.90 62.72 619.24 12.58 0.00 0.00 0.00 0.00 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 20.97 19.02 315.66 1.30 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 75.00 71.83 1210.63 4.72 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 33.31 31.40 512.66 2.11 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 25.82 24.61 451.55 1.67 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 13.86 12.92 207.04 0.89 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 36.89 32.04 475.66 3.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2163) 04/12/26 _x86_64_ (2 CPU) 00:14:34 LINUX RESTART (2 CPU) 00:20:18 CPU %user %nice %system %iowait %steal %idle 00:30:18 all 0.26 0.00 0.18 0.03 0.04 99.49 00:30:18 0 0.20 0.00 0.19 0.03 0.04 99.54 00:30:18 1 0.33 0.00 0.16 0.04 0.04 99.44 00:40:36 all 10.60 0.00 1.69 0.54 0.06 87.11 00:40:36 0 10.48 0.00 1.70 0.32 0.06 87.45 00:40:36 1 10.72 0.00 1.69 0.77 0.06 86.77 00:50:18 all 0.51 0.00 0.20 0.01 0.08 99.20 00:50:18 0 0.47 0.00 0.07 0.01 0.04 99.41 00:50:18 1 0.56 0.00 0.33 0.01 0.12 98.98 01:00:18 all 0.99 0.00 0.61 0.01 0.09 98.30 01:00:18 0 1.39 0.00 0.91 0.00 0.10 97.60 01:00:18 1 0.59 0.00 0.31 0.01 0.08 99.00 01:10:18 all 0.82 0.00 0.27 0.02 0.08 98.82 01:10:18 0 0.75 0.00 0.21 0.01 0.09 98.94 01:10:18 1 0.88 0.00 0.33 0.02 0.08 98.69 01:20:08 all 0.69 0.00 0.22 0.01 0.09 98.99 01:20:08 0 0.62 0.00 0.13 0.01 0.07 99.18 01:20:08 1 0.76 0.00 0.32 0.01 0.11 98.80 01:30:01 all 0.52 0.00 0.28 0.01 0.08 99.10 01:30:01 0 0.56 0.00 0.26 0.00 0.06 99.12 01:30:01 1 0.49 0.00 0.30 0.02 0.10 99.09 Average: all 2.11 0.00 0.50 0.09 0.07 97.23 Average: 0 2.12 0.00 0.50 0.06 0.06 97.26 Average: 1 2.09 0.00 0.50 0.13 0.08 97.19