---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3339 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 8.0G 30G 22% / 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 5171 4 2316 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:eb:44:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82175sec preferred_lft 82175sec inet6 fe80::f816:3eff:feeb:448f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3339) 08/08/26 _x86_64_ (2 CPU) 01:45:15 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.57 0.02 1.53 0.02 1.24 18.87 855.02 02:10:01 1.33 0.01 1.32 0.00 0.05 15.59 2.30 02:20:01 1.34 0.00 1.33 0.00 0.01 15.43 2.31 02:30:02 2.50 0.71 1.76 0.03 95.02 77.80 262.83 02:40:02 1.36 0.00 1.36 0.00 0.00 15.83 0.00 02:50:01 15.68 1.59 13.17 0.92 114.90 2183.48 188.72 Average: 3.96 0.39 3.41 0.16 35.19 387.06 218.53 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6284288 7534976 286428 3.52 31052 1425324 538948 5.87 448188 1188092 124 02:10:01 6283824 7535036 286336 3.52 31240 1425652 537860 5.86 447992 1188608 144 02:20:01 6283824 7535528 285840 3.51 31400 1425980 538080 5.86 448124 1189096 240 02:30:02 6238992 7520432 300240 3.69 31860 1454860 538080 5.86 459140 1207672 256 02:40:02 6238528 7520448 300228 3.69 32012 1455176 538796 5.87 463644 1208148 220 02:50:01 5452852 7398000 382684 4.71 71888 2044284 643716 7.01 593688 1820428 49792 Average: 6130385 7507403 306959 3.77 38242 1538546 555913 6.05 476796 1300341 8463 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.03 0.10 0.14 0.06 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.18 0.04 7.61 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 1.08 0.45 4.16 0.06 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 6.33 4.01 4.15 3.44 0.00 0.00 0.00 0.00 02:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 35.28 24.40 278.93 10.04 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.52 4.84 49.08 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3339) 08/08/26 _x86_64_ (2 CPU) 01:45:15 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.32 0.00 0.18 0.01 0.02 99.47 02:00:00 0 0.16 0.00 0.18 0.00 0.03 99.63 02:00:00 1 0.48 0.00 0.17 0.01 0.02 99.32 02:10:01 all 0.24 0.00 0.08 0.01 0.02 99.65 02:10:01 0 0.06 0.00 0.09 0.01 0.03 99.80 02:10:01 1 0.42 0.00 0.07 0.00 0.02 99.50 02:20:01 all 0.27 0.00 0.08 0.01 0.02 99.62 02:20:01 0 0.07 0.00 0.09 0.01 0.03 99.80 02:20:01 1 0.47 0.00 0.08 0.00 0.02 99.43 02:30:02 all 0.38 0.00 0.23 0.03 0.02 99.35 02:30:02 0 0.19 0.00 0.23 0.05 0.02 99.52 02:30:02 1 0.58 0.00 0.22 0.01 0.02 99.18 02:40:02 all 0.41 0.00 0.10 0.03 0.02 99.44 02:40:02 0 0.41 0.00 0.10 0.02 0.02 99.45 02:40:02 1 0.41 0.00 0.11 0.03 0.02 99.43 02:50:01 all 6.79 0.00 1.03 0.32 0.04 91.82 02:50:01 0 8.08 0.00 1.12 0.24 0.04 90.52 02:50:01 1 5.50 0.00 0.95 0.40 0.04 93.12 Average: all 1.40 0.00 0.28 0.07 0.02 98.23 Average: 0 1.49 0.00 0.30 0.06 0.03 98.12 Average: 1 1.31 0.00 0.26 0.07 0.02 98.33