---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3677 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 737 5223 4 2273 7204 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:66:07:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82184sec preferred_lft 82184sec inet6 fe80::f816:3eff:fe66:77a/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-3677) 08/09/26 _x86_64_ (2 CPU) 01:46:08 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:21 1.70 0.02 1.65 0.02 1.24 20.06 854.28 02:10:01 1.36 0.01 1.34 0.02 0.06 15.48 21.49 02:20:13 1.42 0.00 1.40 0.02 0.01 16.33 22.60 02:30:41 1.61 0.00 1.57 0.03 0.00 19.03 837.03 02:40:01 1.35 0.00 1.33 0.02 0.00 15.87 24.71 02:50:31 20.31 2.19 16.97 1.16 199.76 2327.39 844.72 Average: 4.77 0.39 4.17 0.22 35.07 420.45 446.22 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:21 6283384 7529184 292260 3.59 30988 1420556 530236 5.78 443648 1184080 132 02:10:01 6282208 7528500 292972 3.60 31184 1420852 530268 5.78 443768 1184572 124 02:20:13 6289296 7536176 285292 3.51 31404 1421212 530476 5.78 444036 1185152 176 02:30:41 6290488 7537928 283528 3.49 31624 1421544 530476 5.78 444108 1185704 140 02:40:01 6298012 7546068 275376 3.39 31816 1421964 531216 5.79 445744 1186188 148 02:50:31 5409584 7357712 423400 5.21 72552 2047088 674408 7.35 610464 1824716 21704 Average: 6142162 7505928 308805 3.80 38261 1525536 554513 6.04 471961 1291735 3737 01:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 0.70 0.08 0.10 0.04 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 0.55 0.04 3.64 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:41 ens3 0.59 0.04 0.97 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.64 4.11 4.40 3.45 0.00 0.00 0.00 0.00 02:50:31 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:50:31 ens3 37.08 25.09 268.30 9.75 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 7.86 5.05 48.28 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3677) 08/09/26 _x86_64_ (2 CPU) 01:46:08 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:21 all 0.30 0.00 0.18 0.03 0.03 99.46 02:00:21 0 0.22 0.00 0.17 0.05 0.03 99.53 02:00:21 1 0.39 0.00 0.19 0.01 0.02 99.39 02:10:01 all 0.25 0.00 0.07 0.03 0.03 99.62 02:10:01 0 0.46 0.00 0.06 0.06 0.02 99.41 02:10:01 1 0.05 0.00 0.09 0.00 0.03 99.83 02:20:13 all 0.22 0.00 0.08 0.02 0.02 99.66 02:20:13 0 0.38 0.00 0.05 0.00 0.02 99.54 02:20:13 1 0.06 0.00 0.10 0.03 0.03 99.78 02:30:41 all 0.29 0.00 0.17 0.21 0.02 99.30 02:30:41 0 0.51 0.00 0.15 0.05 0.01 99.28 02:30:41 1 0.08 0.00 0.19 0.38 0.03 99.32 02:40:01 all 0.42 0.00 0.11 0.03 0.03 99.42 02:40:01 0 0.51 0.00 0.09 0.06 0.02 99.31 02:40:01 1 0.33 0.00 0.12 0.00 0.03 99.52 02:50:31 all 7.06 0.00 1.06 1.40 0.04 90.43 02:50:31 0 5.48 0.00 0.95 1.90 0.04 91.64 02:50:31 1 8.64 0.00 1.18 0.91 0.04 89.23 Average: all 1.48 0.00 0.29 0.30 0.03 97.91 Average: 0 1.30 0.00 0.25 0.37 0.02 98.06 Average: 1 1.66 0.00 0.32 0.23 0.03 97.76