---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29676 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 5214 4 2251 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:a2:d9:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82510sec preferred_lft 82510sec inet6 fe80::f816:3eff:fea2:d9ac/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-29676) 06/23/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 15.57 13.67 1.84 0.06 153.56 43.16 6.80 02:20:26 13.37 0.01 1.26 12.11 0.19 15.70 104870.97 02:30:16 1.44 0.00 1.41 0.03 0.00 17.75 1.44 02:40:01 1.79 0.26 1.52 0.01 31.73 75.86 0.18 02:50:26 1.42 0.00 1.41 0.00 1.01 16.70 0.05 03:00:06 1.61 0.00 1.59 0.02 0.00 20.07 0.26 Average: 5.93 2.31 1.50 2.12 30.77 31.24 18197.43 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6224032 7531216 279776 3.44 34604 1469868 526700 5.74 440428 1235020 124 02:20:26 6223792 7531640 279304 3.43 34840 1470272 526700 5.74 440504 1235632 180 02:30:16 6221356 7529764 281144 3.46 35044 1470604 526700 5.74 440428 1236168 56 02:40:01 6190504 7525840 284592 3.50 35376 1496852 724568 7.89 451696 1253984 240 02:50:26 6199548 7535748 274720 3.38 35552 1497524 527012 5.74 446792 1254520 160 03:00:06 6194128 7530964 279392 3.44 35732 1497948 527140 5.74 448868 1254996 196 Average: 6208893 7530862 279821 3.44 35191 1483845 559803 6.10 444786 1245053 159 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.31 0.07 0.15 0.02 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.63 0.05 6.09 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.63 0.30 3.31 0.07 0.00 0.00 0.00 0.00 02:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:26 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 0.44 0.27 0.14 0.56 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 0.61 0.13 1.61 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29676) 06/23/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.18 0.15 0.15 0.03 99.23 02:10:01 0 0.35 0.01 0.09 0.05 0.03 99.47 02:10:01 1 0.19 0.35 0.21 0.24 0.03 98.98 02:20:26 all 0.26 0.00 0.09 0.03 0.03 99.60 02:20:26 0 0.18 0.00 0.08 0.01 0.03 99.71 02:20:26 1 0.34 0.00 0.09 0.05 0.03 99.49 02:30:16 all 0.30 0.00 0.16 0.02 0.03 99.49 02:30:16 0 0.32 0.00 0.15 0.02 0.02 99.49 02:30:16 1 0.29 0.00 0.17 0.02 0.03 99.49 02:40:01 all 0.38 0.00 0.09 0.02 0.03 99.48 02:40:01 0 0.51 0.00 0.06 0.03 0.02 99.37 02:40:01 1 0.25 0.00 0.12 0.01 0.03 99.58 02:50:26 all 0.27 0.00 0.07 0.01 0.02 99.63 02:50:26 0 0.32 0.00 0.05 0.00 0.01 99.61 02:50:26 1 0.22 0.00 0.09 0.02 0.02 99.65 03:00:06 all 0.30 0.00 0.18 0.01 0.02 99.49 03:00:06 0 0.12 0.00 0.18 0.00 0.02 99.68 03:00:06 1 0.47 0.00 0.18 0.02 0.02 99.31 Average: all 0.30 0.03 0.12 0.04 0.02 99.49 Average: 0 0.30 0.00 0.10 0.02 0.02 99.56 Average: 1 0.29 0.06 0.14 0.06 0.03 99.42