---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29974 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: 5599.86 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 8.0G 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 765 5193 4 2275 7176 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:b2:34:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81462sec preferred_lft 81462sec inet6 fe80::f816:3eff:feb2:3418/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29974) 06/24/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:24 1.39 0.01 1.37 0.01 0.06 16.87 450.09 01:10:52 1.15 0.00 1.15 0.00 0.00 14.16 0.00 01:20:52 1.86 0.26 1.57 0.03 32.04 75.52 1.04 01:30:14 1.50 0.00 1.47 0.03 0.00 17.97 466.02 01:40:44 1.23 0.00 1.22 0.02 0.00 14.87 1.14 01:50:04 1.19 0.00 1.18 0.01 0.00 14.44 0.64 02:00:44 22.00 2.82 17.00 2.18 213.49 3284.91 1348.71 Average: 4.52 0.47 3.71 0.34 37.11 522.20 330.51 00:50:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:24 6285736 7533060 287556 3.54 30684 1422292 532524 5.80 443616 1183544 172 01:10:52 6296024 7543836 276804 3.40 30836 1422624 532532 5.80 445840 1184028 124 01:20:52 6250596 7525772 294356 3.62 31232 1449232 532556 5.80 455532 1201956 132 01:30:14 6254948 7530668 289340 3.56 31436 1449528 532556 5.80 455368 1202456 124 01:40:44 6261820 7538232 281772 3.46 31656 1450000 532768 5.80 455740 1203032 160 01:50:04 6267740 7544628 275372 3.39 31812 1450312 532832 5.80 455892 1203488 196 02:00:44 5209128 7410480 356676 4.39 87160 2274316 644672 7.02 595084 2037300 228 Average: 6117999 7518097 294554 3.62 39259 1559758 548634 5.98 472439 1316543 162 00:50:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 0.77 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:52 ens3 0.63 0.05 5.46 0.03 0.00 0.00 0.00 0.00 01:20:52 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:52 ens3 1.26 0.27 4.14 0.09 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 01:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:44 ens3 0.40 0.17 0.11 0.51 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.36 0.11 0.13 0.07 0.00 0.00 0.00 0.00 02:00:44 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:44 ens3 109.45 75.11 304.76 17.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.19 11.54 47.88 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29974) 06/24/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:43 CPU %user %nice %system %iowait %steal %idle 01:00:24 all 0.32 0.00 0.15 0.01 0.04 99.47 01:00:24 0 0.52 0.00 0.13 0.01 0.03 99.31 01:00:24 1 0.12 0.00 0.18 0.01 0.06 99.64 01:10:52 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:52 0 0.46 0.00 0.04 0.01 0.03 99.45 01:10:52 1 0.05 0.00 0.10 0.01 0.06 99.78 01:20:52 all 0.32 0.00 0.10 0.02 0.04 99.52 01:20:52 0 0.56 0.00 0.11 0.04 0.03 99.27 01:20:52 1 0.08 0.00 0.10 0.01 0.05 99.76 01:30:14 all 0.25 0.00 0.16 0.01 0.04 99.54 01:30:14 0 0.23 0.00 0.15 0.01 0.05 99.56 01:30:14 1 0.26 0.00 0.16 0.01 0.04 99.53 01:40:44 all 0.23 0.00 0.06 0.01 0.04 99.65 01:40:44 0 0.06 0.00 0.07 0.02 0.05 99.80 01:40:44 1 0.41 0.00 0.05 0.00 0.03 99.50 01:50:04 all 0.20 0.00 0.07 0.01 0.04 99.69 01:50:04 0 0.25 0.00 0.06 0.02 0.03 99.64 01:50:04 1 0.14 0.00 0.07 0.01 0.04 99.74 02:00:44 all 13.22 0.00 1.94 0.48 0.07 84.30 02:00:44 0 14.23 0.00 1.88 0.50 0.07 83.33 02:00:44 1 12.21 0.00 2.01 0.45 0.07 85.26 Average: all 2.23 0.00 0.38 0.08 0.04 97.26 Average: 0 2.46 0.00 0.36 0.09 0.04 97.05 Average: 1 2.01 0.00 0.40 0.08 0.05 97.47