---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30599 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 772 5198 4 2263 7169 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:00:ae:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82273sec preferred_lft 82273sec inet6 fe80::f816:3eff:fe00:ae81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30599) 06/26/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.36 0.01 1.34 0.01 0.05 16.52 439.95 01:10:06 13.69 0.00 1.24 12.44 0.15 15.40 108274.54 01:20:06 1.20 0.00 1.18 0.02 0.01 14.63 1.20 01:30:01 2.10 0.28 1.77 0.05 34.49 78.73 660.82 01:40:06 1.21 0.00 1.20 0.02 0.00 14.60 0.98 01:50:06 28.02 3.07 21.74 3.22 232.10 3591.10 2328.08 Average: 7.95 0.56 4.74 2.64 44.41 621.72 18766.96 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6290360 7537020 283192 3.48 30644 1421860 527500 5.75 437120 1183496 168 01:10:06 6286200 7533440 286724 3.53 30852 1422228 527704 5.75 443044 1184044 180 01:20:06 6293032 7540812 279348 3.43 31056 1422556 527864 5.75 444048 1184576 92 01:30:01 6236780 7512640 306952 3.77 31472 1449824 527856 5.75 453464 1202620 248 01:40:06 6244144 7520668 298912 3.68 31676 1450280 528148 5.75 454200 1203148 276 01:50:06 5393984 7405776 370224 4.55 88716 2091628 588820 6.41 574100 1854804 22536 Average: 6124083 7508393 304225 3.74 40736 1543063 537982 5.86 467663 1302115 3917 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.67 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.12 0.16 9.22 0.13 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.68 0.21 0.18 0.66 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.65 0.30 3.26 0.05 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.64 0.15 0.20 0.12 0.00 0.00 0.00 0.00 01:50:06 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 145.24 118.60 1471.63 86.50 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.83 19.91 247.43 14.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30599) 06/26/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.01 0.04 99.51 01:00:01 0 0.16 0.00 0.18 0.01 0.04 99.62 01:00:01 1 0.40 0.00 0.16 0.01 0.04 99.39 01:10:06 all 0.28 0.00 0.08 0.03 0.04 99.57 01:10:06 0 0.40 0.00 0.06 0.01 0.03 99.50 01:10:06 1 0.16 0.00 0.11 0.05 0.04 99.64 01:20:06 all 0.25 0.00 0.07 0.18 0.03 99.47 01:20:06 0 0.06 0.00 0.07 0.07 0.03 99.77 01:20:06 1 0.44 0.00 0.07 0.28 0.03 99.18 01:30:01 all 0.38 0.00 0.20 0.04 0.03 99.35 01:30:01 0 0.35 0.00 0.17 0.01 0.02 99.45 01:30:01 1 0.41 0.00 0.23 0.08 0.03 99.25 01:40:06 all 0.26 0.00 0.06 0.04 0.02 99.62 01:40:06 0 0.07 0.00 0.08 0.07 0.03 99.75 01:40:06 1 0.45 0.00 0.03 0.01 0.02 99.49 01:50:06 all 17.91 0.00 2.39 1.78 0.07 77.85 01:50:06 0 13.98 0.00 1.95 1.21 0.06 82.79 01:50:06 1 21.85 0.00 2.83 2.36 0.07 72.90 Average: all 3.22 0.00 0.49 0.35 0.04 95.91 Average: 0 2.50 0.00 0.42 0.23 0.04 96.82 Average: 1 3.93 0.00 0.57 0.46 0.04 95.00