---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29999 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 747 5215 4 2271 7194 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:3e:aa:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80966sec preferred_lft 80966sec inet6 fe80::f816:3eff:fe3e:aa29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29999) 06/24/26 _x86_64_ (2 CPU) 01:58:26 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 13.88 0.03 1.41 12.45 1.38 16.80 108477.21 02:20:04 1.86 0.27 1.58 0.01 32.17 74.89 0.29 02:30:01 1.59 0.00 1.58 0.02 0.00 18.99 657.03 02:40:05 1.32 0.00 1.31 0.02 0.00 15.35 1.19 02:50:05 1.36 0.00 1.35 0.02 0.00 16.15 1.20 03:00:05 1.57 0.00 1.55 0.03 0.00 18.85 654.44 03:10:05 1.39 0.00 1.38 0.00 0.00 16.39 0.24 03:20:05 1.37 0.00 1.37 0.00 0.00 16.05 0.00 Average: 3.05 0.04 1.44 1.58 4.18 24.16 13801.82 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6299612 7550760 269784 3.32 30604 1426192 526440 5.73 440808 1187388 216 02:20:04 6260616 7539040 281056 3.46 30960 1452728 724420 7.89 455440 1205292 192 02:30:01 6255120 7534188 285936 3.52 31172 1453128 526616 5.74 449972 1205824 124 02:40:05 6263900 7543488 276616 3.40 31364 1453464 529800 5.77 448516 1206340 244 02:50:05 6262396 7542564 277540 3.41 31580 1453804 529892 5.77 449344 1206908 188 03:00:05 6260172 7541008 279084 3.43 31780 1454264 529988 5.77 449752 1207440 204 03:10:05 6262536 7543896 276180 3.40 31972 1454588 529988 5.77 449812 1207956 292 03:20:05 6261780 7543644 276424 3.40 32132 1454920 530052 5.77 450236 1208448 224 Average: 6265766 7542324 277828 3.42 31446 1450386 553400 6.03 449235 1204450 210 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.86 0.04 0.22 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.64 0.24 3.19 0.03 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 0.39 0.04 0.69 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.47 0.10 0.20 0.05 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.27 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:05 ens3 0.28 0.05 0.10 0.05 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:05 ens3 0.32 0.21 0.08 0.55 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.55 0.09 0.57 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29999) 06/24/26 _x86_64_ (2 CPU) 01:58:26 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.31 0.00 0.10 0.04 0.02 99.52 02:10:05 0 0.10 0.00 0.10 0.05 0.03 99.72 02:10:05 1 0.52 0.00 0.10 0.03 0.02 99.32 02:20:04 all 0.40 0.00 0.12 0.02 0.02 99.44 02:20:04 0 0.41 0.00 0.13 0.01 0.02 99.43 02:20:04 1 0.38 0.00 0.12 0.02 0.02 99.45 02:30:01 all 0.31 0.00 0.19 0.01 0.02 99.48 02:30:01 0 0.46 0.00 0.18 0.01 0.02 99.33 02:30:01 1 0.15 0.00 0.20 0.01 0.02 99.63 02:40:05 all 0.28 0.00 0.07 0.01 0.01 99.62 02:40:05 0 0.07 0.00 0.09 0.02 0.02 99.81 02:40:05 1 0.49 0.00 0.06 0.00 0.01 99.43 02:50:05 all 0.27 0.00 0.08 0.01 0.02 99.63 02:50:05 0 0.11 0.00 0.09 0.01 0.02 99.77 02:50:05 1 0.43 0.00 0.06 0.01 0.02 99.48 03:00:05 all 0.27 0.00 0.18 0.01 0.02 99.52 03:00:05 0 0.27 0.00 0.20 0.00 0.02 99.51 03:00:05 1 0.27 0.00 0.17 0.01 0.02 99.53 03:10:05 all 0.26 0.00 0.10 0.01 0.02 99.62 03:10:05 0 0.30 0.00 0.10 0.00 0.02 99.59 03:10:05 1 0.23 0.00 0.09 0.02 0.02 99.65 03:20:05 all 0.28 0.00 0.08 0.01 0.02 99.62 03:20:05 0 0.46 0.00 0.06 0.01 0.01 99.47 03:20:05 1 0.11 0.00 0.10 0.01 0.02 99.77 Average: all 0.30 0.00 0.12 0.01 0.02 99.56 Average: 0 0.27 0.00 0.12 0.01 0.02 99.58 Average: 1 0.32 0.00 0.11 0.01 0.02 99.53