---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66143 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 785 5251 4 2193 7156 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:a2:be:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81701sec preferred_lft 81701sec inet6 fe80::f816:3eff:fea2:be04/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66143) 04/03/26 _x86_64_ (2 CPU) 01:53:36 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.37 0.01 1.36 0.01 0.05 16.07 0.36 02:20:00 13.92 0.01 1.37 12.55 0.16 16.27 109189.11 02:30:00 2.22 0.32 1.86 0.03 40.07 76.48 871.64 02:40:00 1.32 0.00 1.32 0.00 0.00 15.89 0.00 02:50:00 1.16 0.00 1.16 0.00 0.00 14.53 0.00 03:00:00 20.99 3.01 15.77 2.22 227.25 2526.80 1250.39 03:10:00 3.47 0.02 3.41 0.04 1.19 651.61 4.04 Average: 6.35 0.48 3.75 2.12 38.39 473.95 15901.96 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6268736 7519440 301228 3.70 30700 1425828 528388 5.76 445580 1187352 124 02:20:00 6268736 7520044 300492 3.69 30912 1426208 528384 5.76 445660 1187916 164 02:30:00 6246288 7526672 293408 3.61 31312 1454488 528404 5.76 457172 1205220 160 02:40:00 6244560 7525456 294612 3.62 31488 1454812 528604 5.76 457572 1205720 160 02:50:00 6255928 7537464 282600 3.47 31664 1455272 532540 5.80 461264 1206228 164 03:00:00 5235220 7356612 414844 5.10 84980 2200444 645552 7.03 632520 1959240 188260 03:10:00 5280140 7399044 372816 4.58 85160 2198092 643656 7.01 605968 1956988 512 Average: 5971373 7483533 322857 3.97 46602 1659306 562218 6.12 500819 1415523 27078 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.46 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.29 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.53 0.28 3.05 0.03 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.35 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.47 0.13 0.17 0.10 0.00 0.00 0.00 0.00 03:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 37.17 27.40 293.69 7.72 0.00 0.00 0.00 0.00 03:10:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 70.30 48.52 14.79 11.12 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.65 10.92 44.56 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66143) 04/03/26 _x86_64_ (2 CPU) 01:53:36 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.26 0.00 0.08 0.02 0.03 99.62 02:10:00 0 0.45 0.00 0.06 0.01 0.02 99.46 02:10:00 1 0.06 0.00 0.10 0.02 0.04 99.78 02:20:00 all 0.24 0.00 0.10 0.05 0.03 99.58 02:20:00 0 0.42 0.00 0.09 0.06 0.02 99.41 02:20:00 1 0.06 0.00 0.11 0.04 0.03 99.75 02:30:00 all 0.36 0.00 0.23 0.11 0.02 99.27 02:30:00 0 0.52 0.00 0.22 0.17 0.02 99.07 02:30:00 1 0.21 0.00 0.24 0.06 0.03 99.47 02:40:00 all 0.24 0.00 0.08 0.03 0.02 99.63 02:40:00 0 0.42 0.00 0.07 0.05 0.02 99.44 02:40:00 1 0.06 0.00 0.09 0.00 0.02 99.82 02:50:00 all 0.29 0.00 0.08 0.02 0.02 99.59 02:50:00 0 0.41 0.00 0.07 0.00 0.02 99.51 02:50:00 1 0.17 0.00 0.09 0.04 0.03 99.66 03:00:00 all 10.61 0.00 1.66 2.75 0.04 84.93 03:00:00 0 10.84 0.00 1.67 4.93 0.05 82.52 03:00:00 1 10.39 0.00 1.66 0.56 0.04 87.35 03:10:00 all 4.91 0.00 0.62 0.06 0.05 94.36 03:10:00 0 6.07 0.00 0.67 0.07 0.05 93.14 03:10:00 1 3.74 0.00 0.57 0.06 0.05 95.59 Average: all 2.41 0.00 0.41 0.43 0.03 96.71 Average: 0 2.73 0.00 0.41 0.76 0.03 96.08 Average: 1 2.10 0.00 0.41 0.11 0.03 97.35