---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6528 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 750 5185 4 2299 7190 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:45:be:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71620sec preferred_lft 71620sec inet6 fe80::f816:3eff:fe45:be99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6528) 09/10/26 _x86_64_ (2 CPU) 01:04:23 LINUX RESTART (2 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:17 1.62 0.03 1.58 0.01 2.21 18.67 0.47 01:30:01 2.16 0.34 1.80 0.02 44.73 110.23 438.73 01:40:17 1.34 0.00 1.34 0.01 0.00 15.79 24.20 01:50:17 1.33 0.00 1.31 0.02 0.00 15.43 49.73 02:00:01 1.49 0.00 1.46 0.03 0.00 17.84 489.41 02:10:17 1.41 0.00 1.40 0.01 0.00 16.36 33.90 02:20:17 14.79 0.00 1.57 13.21 0.15 17.89 108959.59 02:30:01 1.56 0.00 1.55 0.01 0.00 18.42 437.99 02:40:17 1.38 0.00 1.38 0.00 0.00 16.16 0.00 02:50:08 1.38 0.00 1.38 0.00 0.00 15.99 0.00 03:00:01 1.47 0.00 1.46 0.01 0.00 17.85 431.95 03:10:17 1.28 0.00 1.28 0.00 0.00 15.95 0.00 03:20:17 1.44 0.00 1.44 0.00 0.00 17.19 0.00 03:30:01 1.52 0.00 1.51 0.01 0.00 18.63 438.14 03:40:17 1.40 0.00 1.40 0.00 0.00 16.61 0.00 03:50:17 1.45 0.00 1.45 0.00 0.00 17.73 0.00 04:00:01 1.45 0.00 1.44 0.01 0.00 18.18 438.60 04:10:08 1.35 0.00 1.35 0.00 0.00 16.49 0.00 04:20:17 1.42 0.00 1.42 0.00 0.00 17.29 0.00 04:30:01 1.53 0.00 1.52 0.01 0.00 18.55 438.32 04:40:17 1.34 0.00 1.34 0.00 0.00 16.31 0.00 04:50:08 1.45 0.00 1.45 0.00 0.00 17.20 0.00 05:00:01 1.58 0.00 1.57 0.01 0.00 19.66 431.58 05:10:06 29.03 2.88 23.01 3.14 226.57 3610.08 3605.96 Average: 3.18 0.14 2.36 0.69 11.43 172.00 4844.06 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:17 6286568 7534108 286400 3.52 30668 1423528 534136 5.82 449936 1184076 132 01:30:01 6212468 7499972 319484 3.93 31316 1462324 727252 7.92 468084 1213428 136 01:40:17 6212216 7500260 319224 3.93 31524 1462652 727396 7.92 468352 1213964 168 01:50:17 6226328 7514892 304580 3.75 31708 1462976 727436 7.92 468432 1214476 176 02:00:01 6220644 7509912 309540 3.81 31932 1463432 727564 7.92 468672 1215032 240 02:10:17 6232812 7522616 296784 3.65 32128 1463764 727564 7.92 468912 1215560 132 02:20:17 6240756 7531112 288200 3.54 32304 1464132 727564 7.92 468984 1216072 172 02:30:01 6241180 7532040 287272 3.53 32464 1464460 727564 7.92 468940 1216564 236 02:40:17 6248188 7539540 279768 3.44 32632 1464788 727564 7.92 469056 1217052 164 02:50:08 6246676 7538664 280612 3.45 32796 1465244 727692 7.93 469188 1217552 156 03:00:01 6242944 7535456 283760 3.49 32972 1465568 727692 7.93 469300 1218052 268 03:10:17 6249024 7542036 277200 3.41 33140 1465896 727692 7.93 469264 1218548 256 03:20:17 6247512 7541020 278176 3.42 33300 1466224 727692 7.93 469388 1219036 132 03:30:01 6245136 7539272 279884 3.44 33460 1466676 727888 7.93 469436 1219520 124 03:40:17 6245136 7539772 279376 3.44 33628 1467000 727888 7.93 469512 1220012 132 03:50:17 6244128 7539284 279852 3.44 33812 1467332 727888 7.93 469644 1220528 176 04:00:01 6238384 7534052 285004 3.50 33988 1467660 727948 7.93 469624 1221032 240 04:10:08 6235612 7531780 287328 3.53 34164 1467984 727896 7.93 469720 1221524 264 04:20:17 6235360 7532152 286952 3.53 34316 1468444 727896 7.93 469848 1222016 132 04:30:01 6231932 7529236 289732 3.56 34484 1468772 727896 7.93 469664 1222512 240 04:40:17 6243720 7541524 277448 3.41 34652 1469096 727928 7.93 469924 1223004 212 04:50:08 6244084 7542376 276584 3.40 34804 1469424 727928 7.93 469852 1223484 136 05:00:01 6240952 7539764 279224 3.43 34980 1469756 727992 7.93 469916 1223988 268 05:10:06 5363388 7409212 365688 4.50 92604 2121880 793648 8.64 590556 1887284 22832 Average: 6203131 7525836 291586 3.59 35574 1491626 722400 7.87 473508 1245180 1130 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 1.04 0.09 0.12 0.04 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.78 0.35 3.48 0.09 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.54 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:17 ens3 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.33 0.18 0.05 0.58 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.24 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.24 0.06 0.04 0.02 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 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.45 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.28 0.06 0.08 0.05 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 0.23 0.05 0.04 0.02 0.00 0.00 0.00 0.00 03:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:17 ens3 0.18 0.03 0.02 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.33 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:17 ens3 0.20 0.04 0.03 0.02 0.00 0.00 0.00 0.00 03:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:17 ens3 0.20 0.03 0.05 0.01 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.18 0.04 0.04 0.03 0.00 0.00 0.00 0.00 04:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:08 ens3 0.19 0.04 0.03 0.02 0.00 0.00 0.00 0.00 04:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:17 ens3 0.19 0.03 0.05 0.01 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 0.16 0.02 0.01 0.01 0.00 0.00 0.00 0.00 04:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:17 ens3 0.29 0.09 0.08 0.04 0.00 0.00 0.00 0.00 04:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:08 ens3 0.33 0.09 0.09 0.05 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 0.53 0.14 0.17 0.10 0.00 0.00 0.00 0.00 05:10:06 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 05:10:06 ens3 131.60 107.20 359.25 34.33 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.85 4.58 15.30 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6528) 09/10/26 _x86_64_ (2 CPU) 01:04:23 LINUX RESTART (2 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:17 all 0.31 0.00 0.10 0.01 0.01 99.58 01:20:17 0 0.07 0.00 0.11 0.02 0.01 99.79 01:20:17 1 0.54 0.00 0.08 0.01 0.01 99.37 01:30:01 all 0.44 0.00 0.21 0.03 0.00 99.33 01:30:01 0 0.58 0.00 0.20 0.03 0.00 99.19 01:30:01 1 0.29 0.00 0.21 0.02 0.01 99.47 01:40:17 all 0.26 0.00 0.09 0.01 0.01 99.63 01:40:17 0 0.48 0.00 0.07 0.02 0.00 99.44 01:40:17 1 0.05 0.00 0.11 0.00 0.01 99.83 01:50:17 all 0.26 0.00 0.09 0.01 0.00 99.64 01:50:17 0 0.47 0.00 0.06 0.01 0.00 99.45 01:50:17 1 0.06 0.00 0.11 0.00 0.01 99.82 02:00:01 all 0.31 0.00 0.19 0.02 0.01 99.47 02:00:01 0 0.14 0.00 0.19 0.00 0.01 99.66 02:00:01 1 0.48 0.00 0.19 0.03 0.01 99.29 02:10:17 all 0.22 0.00 0.08 0.01 0.01 99.68 02:10:17 0 0.05 0.00 0.10 0.00 0.01 99.84 02:10:17 1 0.38 0.00 0.07 0.02 0.00 99.53 02:20:17 all 0.23 0.00 0.12 0.04 0.01 99.60 02:20:17 0 0.38 0.00 0.12 0.06 0.01 99.44 02:20:17 1 0.09 0.00 0.12 0.03 0.01 99.75 02:30:01 all 0.29 0.00 0.18 0.01 0.01 99.51 02:30:01 0 0.50 0.00 0.14 0.00 0.01 99.35 02:30:01 1 0.08 0.00 0.22 0.02 0.01 99.68 02:40:17 all 0.26 0.00 0.10 0.01 0.01 99.62 02:40:17 0 0.47 0.00 0.07 0.02 0.01 99.43 02:40:17 1 0.06 0.00 0.13 0.00 0.01 99.80 02:50:08 all 0.25 0.00 0.09 0.01 0.01 99.64 02:50:08 0 0.43 0.00 0.05 0.01 0.01 99.51 02:50:08 1 0.07 0.00 0.13 0.02 0.01 99.78 03:00:01 all 0.29 0.00 0.16 0.01 0.01 99.53 03:00:01 0 0.50 0.00 0.14 0.01 0.01 99.35 03:00:01 1 0.08 0.00 0.19 0.02 0.02 99.70 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:17 all 0.27 0.00 0.09 0.01 0.01 99.61 03:10:17 0 0.49 0.00 0.05 0.00 0.01 99.44 03:10:17 1 0.05 0.00 0.13 0.02 0.02 99.78 03:20:17 all 0.29 0.00 0.09 0.01 0.01 99.60 03:20:17 0 0.51 0.00 0.05 0.02 0.01 99.42 03:20:17 1 0.06 0.00 0.13 0.01 0.01 99.78 03:30:01 all 0.28 0.00 0.18 0.01 0.01 99.52 03:30:01 0 0.40 0.00 0.16 0.02 0.01 99.42 03:30:01 1 0.16 0.00 0.21 0.01 0.02 99.61 03:40:17 all 0.27 0.00 0.10 0.01 0.02 99.60 03:40:17 0 0.07 0.00 0.14 0.02 0.02 99.75 03:40:17 1 0.48 0.00 0.07 0.00 0.01 99.44 03:50:17 all 0.26 0.00 0.08 0.01 0.01 99.64 03:50:17 0 0.07 0.00 0.11 0.01 0.01 99.80 03:50:17 1 0.45 0.00 0.06 0.01 0.01 99.47 04:00:01 all 0.26 0.00 0.16 0.01 0.00 99.57 04:00:01 0 0.06 0.00 0.18 0.02 0.01 99.73 04:00:01 1 0.46 0.00 0.14 0.00 0.00 99.40 04:10:08 all 0.25 0.00 0.09 0.01 0.00 99.64 04:10:08 0 0.05 0.00 0.11 0.02 0.01 99.81 04:10:08 1 0.45 0.00 0.06 0.00 0.00 99.48 04:20:17 all 0.26 0.00 0.08 0.02 0.01 99.64 04:20:17 0 0.05 0.00 0.10 0.00 0.01 99.84 04:20:17 1 0.46 0.00 0.05 0.03 0.00 99.45 04:30:01 all 0.28 0.00 0.15 0.01 0.00 99.56 04:30:01 0 0.07 0.00 0.15 0.02 0.01 99.75 04:30:01 1 0.48 0.00 0.14 0.00 0.00 99.37 04:40:17 all 0.26 0.00 0.08 0.01 0.00 99.65 04:40:17 0 0.05 0.00 0.10 0.02 0.00 99.83 04:40:17 1 0.46 0.00 0.06 0.00 0.00 99.47 04:50:08 all 0.26 0.00 0.07 0.01 0.00 99.67 04:50:08 0 0.04 0.00 0.08 0.02 0.00 99.85 04:50:08 1 0.47 0.00 0.05 0.00 0.00 99.48 04:50:08 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.26 0.00 0.16 0.01 0.00 99.56 05:00:01 0 0.27 0.00 0.16 0.01 0.01 99.56 05:00:01 1 0.26 0.00 0.17 0.01 0.00 99.56 05:10:06 all 20.26 0.00 2.49 0.86 0.02 76.38 05:10:06 0 19.59 0.00 2.49 1.00 0.02 76.91 05:10:06 1 20.92 0.00 2.50 0.71 0.02 75.84 Average: all 1.11 0.00 0.22 0.05 0.01 98.61 Average: 0 1.08 0.00 0.21 0.06 0.01 98.64 Average: 1 1.15 0.00 0.22 0.04 0.01 98.58