---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27943 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 751 5209 4 2272 7190 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:34:a1:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81297sec preferred_lft 81297sec inet6 fe80::f816:3eff:fe34:a1c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27943) 06/17/26 _x86_64_ (2 CPU) 01:58:30 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 13.83 0.03 1.45 12.35 1.37 18.51 107651.97 02:20:01 1.27 0.01 1.25 0.01 0.07 15.10 0.62 02:30:01 1.36 0.00 1.33 0.03 0.00 16.26 436.92 02:40:10 1.18 0.00 1.17 0.02 0.00 14.48 1.18 02:50:01 1.13 0.00 1.11 0.02 0.00 13.78 1.34 03:00:01 1.88 0.25 1.59 0.03 30.97 75.57 436.91 03:10:10 25.06 2.96 19.82 2.28 224.76 3482.39 1017.11 03:20:01 1.35 0.00 1.35 0.00 0.00 21.73 0.05 Average: 5.95 0.41 3.67 1.87 32.56 463.63 13887.31 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6286144 7538120 282336 3.47 30716 1426872 520028 5.66 447632 1187432 180 02:20:01 6284636 7537168 283272 3.48 30932 1427204 520028 5.66 447864 1187980 160 02:30:01 6281724 7534796 285628 3.51 31136 1427528 520052 5.66 447896 1188500 300 02:40:10 6281724 7535352 285100 3.51 31352 1427860 521976 5.69 448120 1189052 180 02:50:01 6281724 7535880 284572 3.50 31544 1428184 522008 5.69 448340 1189572 240 03:00:01 6234540 7515736 304172 3.74 31932 1454464 718280 7.82 463228 1207348 160 03:10:10 5176308 7378172 388880 4.78 87104 2274932 636536 6.93 601300 2037256 208 03:20:01 5137172 7341060 426000 5.24 87232 2276828 662224 7.21 617732 2039280 276 Average: 5995496 7489536 317495 3.90 45244 1642984 577642 6.29 490264 1403302 213 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 1.41 0.05 0.17 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.39 0.04 0.05 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 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.37 0.10 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.94 0.55 3.26 0.11 0.00 0.00 0.00 0.00 03:10:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:10 ens3 68.31 47.57 322.26 11.74 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 12.29 11.57 108.76 1.05 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 10.64 7.56 54.74 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27943) 06/17/26 _x86_64_ (2 CPU) 01:58:30 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.28 0.00 0.09 1.14 0.02 98.47 02:10:10 0 0.13 0.00 0.11 0.10 0.02 99.64 02:10:10 1 0.44 0.00 0.08 2.17 0.02 97.30 02:20:01 all 0.28 0.00 0.08 0.01 0.02 99.61 02:20:01 0 0.09 0.00 0.09 0.01 0.02 99.79 02:20:01 1 0.48 0.00 0.07 0.01 0.01 99.43 02:30:01 all 0.30 0.00 0.17 0.01 0.02 99.51 02:30:01 0 0.20 0.00 0.17 0.00 0.02 99.61 02:30:01 1 0.40 0.00 0.16 0.02 0.02 99.41 02:40:10 all 0.26 0.00 0.08 0.02 0.02 99.62 02:40:10 0 0.33 0.00 0.08 0.01 0.02 99.56 02:40:10 1 0.18 0.00 0.09 0.04 0.02 99.67 02:50:01 all 0.29 0.00 0.07 0.01 0.02 99.61 02:50:01 0 0.50 0.00 0.05 0.01 0.02 99.42 02:50:01 1 0.07 0.00 0.09 0.00 0.02 99.81 03:00:01 all 0.41 0.00 0.20 0.05 0.02 99.32 03:00:01 0 0.36 0.00 0.16 0.05 0.02 99.41 03:00:01 1 0.46 0.00 0.24 0.06 0.02 99.23 03:10:10 all 12.28 0.00 1.80 0.74 0.05 85.13 03:10:10 0 10.08 0.00 1.52 0.65 0.05 87.71 03:10:10 1 14.48 0.00 2.08 0.83 0.06 82.55 03:20:01 all 0.89 0.00 0.22 0.02 0.03 98.85 03:20:01 0 0.88 0.00 0.21 0.01 0.03 98.87 03:20:01 1 0.90 0.00 0.23 0.02 0.03 98.82 Average: all 1.89 0.00 0.34 0.25 0.02 97.49 Average: 0 1.59 0.00 0.30 0.11 0.02 97.98 Average: 1 2.20 0.00 0.38 0.40 0.03 97.00