---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1956 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: 5600.00 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 743 5218 4 2273 7198 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:03:c1:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82156sec preferred_lft 82156sec inet6 fe80::f816:3eff:fe03:c14e/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-1956) 08/04/26 _x86_64_ (2 CPU) 01:45:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.41 0.02 1.38 0.01 1.23 17.66 434.16 02:10:07 1.24 0.02 1.22 0.00 0.74 15.02 0.12 02:20:01 1.86 0.25 1.59 0.02 31.65 77.09 0.59 02:30:03 1.52 0.00 1.49 0.03 0.00 18.62 652.17 02:40:07 13.93 0.00 1.44 12.48 0.15 17.64 108477.32 02:50:00 14.22 1.52 11.74 0.95 113.13 2141.79 576.31 Average: 5.68 0.30 3.12 2.26 24.22 377.10 18469.40 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6281356 7528920 291540 3.58 30624 1422576 520332 5.67 447444 1183512 216 02:10:07 6281104 7529432 291024 3.58 30824 1423136 520512 5.67 448012 1184040 156 02:20:01 6260960 7536728 283292 3.48 31176 1449864 520528 5.67 456984 1202276 124 02:30:03 6261128 7537472 282504 3.47 31412 1450184 520656 5.67 457220 1202832 192 02:40:07 6256768 7533840 286100 3.52 31624 1450688 521300 5.68 462348 1203392 124 02:50:00 5467720 7406312 373664 4.59 71824 2037876 608468 6.63 579280 1814412 105848 Average: 6134839 7512117 301354 3.71 37914 1539054 535299 5.83 475215 1298411 17777 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.67 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.35 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.90 0.25 10.17 0.05 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.17 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 6.11 3.79 4.09 3.25 0.00 0.00 0.00 0.00 02:50:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 41.92 26.51 281.74 10.17 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.28 5.07 48.80 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1956) 08/04/26 _x86_64_ (2 CPU) 01:45:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.27 0.00 0.15 0.01 0.03 99.54 02:00:03 0 0.31 0.00 0.14 0.01 0.03 99.51 02:00:03 1 0.23 0.00 0.17 0.01 0.03 99.56 02:10:07 all 0.23 0.00 0.06 0.01 0.03 99.68 02:10:07 0 0.40 0.00 0.04 0.00 0.02 99.53 02:10:07 1 0.05 0.00 0.08 0.01 0.03 99.82 02:20:01 all 0.32 0.00 0.10 0.02 0.03 99.53 02:20:01 0 0.16 0.00 0.09 0.03 0.03 99.70 02:20:01 1 0.49 0.00 0.10 0.01 0.03 99.37 02:30:03 all 0.22 0.00 0.17 0.01 0.03 99.57 02:30:03 0 0.11 0.00 0.18 0.01 0.03 99.66 02:30:03 1 0.33 0.00 0.15 0.01 0.02 99.49 02:40:07 all 0.45 0.00 0.09 0.06 0.03 99.38 02:40:07 0 0.53 0.00 0.08 0.08 0.03 99.28 02:40:07 1 0.37 0.00 0.09 0.04 0.03 99.48 02:50:00 all 6.32 0.00 0.90 0.33 0.03 92.41 02:50:00 0 5.07 0.00 0.68 0.18 0.03 94.05 02:50:00 1 7.58 0.00 1.12 0.49 0.04 90.78 Average: all 1.29 0.00 0.24 0.07 0.03 98.37 Average: 0 1.09 0.00 0.20 0.05 0.03 98.63 Average: 1 1.49 0.00 0.28 0.09 0.03 98.10