---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54119 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 773 5225 4 2240 7168 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:75:52:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82181sec preferred_lft 82181sec inet6 fe80::f816:3eff:fe75:5238/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54119) 03/30/26 _x86_64_ (2 CPU) 00:42:07 LINUX RESTART (2 CPU) 00:50:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.74 0.01 1.40 13.33 0.21 17.50 116535.57 01:10:45 1.19 0.00 1.17 0.02 0.00 14.54 1.34 01:20:45 1.27 0.00 1.25 0.02 0.01 14.91 1.20 01:30:01 1.38 0.00 1.35 0.03 0.00 16.73 471.23 01:40:35 15.23 13.12 2.03 0.08 180.10 95.10 7.26 01:50:45 21.98 2.98 16.80 2.20 225.13 3077.02 637.11 Average: 9.33 2.81 4.04 2.48 69.71 547.28 18412.19 00:50:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6294656 7545588 274656 3.38 30704 1426068 530424 5.78 445356 1187428 248 01:10:45 6301040 7552548 267692 3.29 30920 1426424 530420 5.78 445548 1188000 128 01:20:45 6292220 7544264 275936 3.39 31124 1426752 531968 5.79 443164 1188532 128 01:30:01 6305068 7557604 262608 3.23 31312 1427048 532036 5.79 443400 1189016 124 01:40:35 6183920 7521912 288676 3.55 35688 1499400 729408 7.94 461444 1253944 208 01:50:45 5240784 7409408 353168 4.34 88948 2235616 628364 6.84 593384 1997552 556 Average: 6102948 7521887 287123 3.53 41449 1573551 580437 6.32 472049 1334079 232 00:50:36 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 0.60 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:45 ens3 0.88 0.05 9.52 0.03 0.00 0.00 0.00 0.00 01:20:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:45 ens3 0.62 0.08 0.17 0.06 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 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:35 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:35 ens3 0.56 0.23 2.93 0.06 0.00 0.00 0.00 0.00 01:50:45 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:45 ens3 60.26 40.56 292.81 11.05 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 10.69 6.94 51.77 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54119) 03/30/26 _x86_64_ (2 CPU) 00:42:07 LINUX RESTART (2 CPU) 00:50:36 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.18 0.04 0.05 99.47 01:00:01 0 0.11 0.00 0.19 0.01 0.05 99.65 01:00:01 1 0.42 0.00 0.18 0.07 0.04 99.28 01:10:45 all 0.21 0.00 0.08 0.01 0.05 99.65 01:10:45 0 0.07 0.00 0.09 0.00 0.05 99.79 01:10:45 1 0.35 0.00 0.07 0.02 0.04 99.52 01:20:45 all 0.28 0.00 0.08 0.01 0.05 99.58 01:20:45 0 0.14 0.00 0.09 0.01 0.06 99.70 01:20:45 1 0.42 0.00 0.06 0.01 0.04 99.47 01:30:01 all 0.25 0.00 0.17 0.01 0.04 99.53 01:30:01 0 0.25 0.00 0.18 0.02 0.04 99.51 01:30:01 1 0.24 0.00 0.16 0.00 0.04 99.55 01:40:35 all 0.30 0.17 0.18 0.17 0.05 99.13 01:40:35 0 0.35 0.00 0.10 0.05 0.05 99.44 01:40:35 1 0.24 0.34 0.25 0.30 0.05 98.82 01:50:45 all 10.52 0.00 1.62 0.87 0.07 86.93 01:50:45 0 11.85 0.00 1.67 0.97 0.08 85.43 01:50:45 1 9.20 0.00 1.56 0.76 0.06 88.42 Average: all 1.99 0.03 0.39 0.19 0.05 97.35 Average: 0 2.15 0.00 0.39 0.18 0.05 97.22 Average: 1 1.83 0.06 0.38 0.20 0.05 97.48