---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15394 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 695 11708 3 3584 14947 Swap: 1023 12 1011 ---> 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:71:81:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79758sec preferred_lft 79758sec inet6 fe80::f816:3eff:fe71:811a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:2e:64:42:03:2a brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::1c2e:64ff:fe42:32a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15394) 03/23/26 _x86_64_ (4 CPU) 10:14:29 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:06 102.23 24.80 73.50 3.93 411.21 12386.97 5269.50 10:40:06 29.12 9.63 18.46 1.04 183.66 534.37 1498.21 10:50:06 7.81 0.20 7.23 0.39 10.51 294.36 1464.57 11:00:06 13.53 0.15 12.80 0.59 5.16 627.34 1341.93 11:10:06 16.74 0.67 15.37 0.70 9.23 498.25 1026.67 11:20:06 4.74 0.03 4.56 0.15 1.80 130.21 76.84 11:30:01 4.64 0.03 4.42 0.19 1.33 140.08 80.77 11:40:01 5.03 0.01 4.84 0.19 0.43 155.37 68.02 11:50:06 7.47 0.03 7.14 0.30 3.54 221.82 109.20 12:00:01 9.15 0.39 8.43 0.33 9.72 547.68 115.50 Average: 20.12 3.61 15.72 0.78 63.96 1562.39 1108.94 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:06 166768 3453576 12476736 76.20 265220 3005932 13399908 76.92 2026600 13583308 1004 10:40:06 4929392 7288024 8645420 52.80 235568 2185264 9485992 54.45 1928640 9002392 240 10:50:06 7342912 9725924 6210260 37.93 236420 2208788 6969876 40.01 1935952 6609316 484 11:00:06 11203732 13703332 2235124 13.65 241272 2320536 2999860 17.22 1985408 2693204 276 11:10:06 9205660 11777536 4159920 25.41 243608 2390476 5103692 29.30 1993800 4685184 428 11:20:06 8760116 11350052 4586956 28.02 244044 2408100 5350132 30.71 1995408 5133204 284 11:30:01 7382032 9992272 5944032 36.30 244564 2427884 6779652 38.92 1997744 6503292 336 11:40:01 7158040 9790496 6145628 37.53 245136 2449528 6910680 39.67 2001152 6722880 292 11:50:06 12026804 14782320 1156484 7.06 248540 2568808 1924860 11.05 2008748 1870876 97064 12:00:01 11657760 14465964 1472844 9.00 249668 2620400 2827860 16.23 2029572 2218960 24008 Average: 7983322 10632950 5303340 32.39 245404 2458572 6175251 35.45 1990302 5902262 12442 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:06 lo 18.62 18.62 15.99 15.99 0.00 0.00 0.00 0.00 10:30:06 ens3 33.67 26.10 412.10 2.68 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:06 lo 43.85 43.85 18.65 18.65 0.00 0.00 0.00 0.00 10:40:06 ens3 1.59 1.63 0.34 0.30 0.00 0.00 0.00 0.00 10:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 20.48 20.48 9.98 9.98 0.00 0.00 0.00 0.00 10:50:06 ens3 0.62 0.64 0.13 0.11 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 11.95 11.95 5.92 5.92 0.00 0.00 0.00 0.00 11:00:06 ens3 0.98 0.80 0.28 0.22 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 16.98 16.98 8.30 8.30 0.00 0.00 0.00 0.00 11:10:06 ens3 1.52 1.17 0.39 1.33 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:06 lo 20.13 20.13 9.26 9.26 0.00 0.00 0.00 0.00 11:20:06 ens3 0.74 0.56 0.18 0.14 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 19.98 19.98 8.00 8.00 0.00 0.00 0.00 0.00 11:30:01 ens3 0.47 0.32 0.12 0.08 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 21.28 21.28 10.79 10.79 0.00 0.00 0.00 0.00 11:40:01 ens3 0.78 0.64 0.17 0.14 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:06 lo 15.01 15.01 8.33 8.33 0.00 0.00 0.00 0.00 11:50:06 ens3 0.86 0.70 0.25 0.20 0.00 0.00 0.00 0.00 11:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 23.50 23.50 11.02 11.02 0.00 0.00 0.00 0.00 12:00:01 ens3 0.83 0.72 0.20 0.16 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.17 21.17 10.63 10.63 0.00 0.00 0.00 0.00 Average: ens3 4.23 3.35 41.72 0.54 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15394) 03/23/26 _x86_64_ (4 CPU) 10:14:29 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:06 all 54.68 0.00 2.28 1.12 0.13 41.78 10:30:06 0 55.15 0.00 2.21 1.65 0.14 40.86 10:30:06 1 54.35 0.00 2.51 0.79 0.13 42.22 10:30:06 2 54.38 0.00 2.07 1.15 0.13 42.27 10:30:06 3 54.85 0.00 2.32 0.90 0.14 41.78 10:40:06 all 43.73 0.00 1.75 0.45 0.15 53.92 10:40:06 0 43.92 0.00 1.78 0.50 0.14 53.65 10:40:06 1 43.41 0.00 1.69 0.51 0.15 54.23 10:40:06 2 43.63 0.00 1.77 0.38 0.15 54.06 10:40:06 3 43.94 0.00 1.77 0.40 0.15 53.74 10:50:06 all 19.32 0.00 0.86 0.35 0.10 79.38 10:50:06 0 18.24 0.00 0.77 0.10 0.10 80.79 10:50:06 1 20.12 0.00 0.96 0.28 0.10 78.54 10:50:06 2 19.77 0.00 0.82 0.65 0.11 78.65 10:50:06 3 19.14 0.00 0.89 0.36 0.10 79.51 11:00:06 all 19.97 0.00 0.84 0.21 0.09 78.90 11:00:06 0 20.31 0.00 0.79 0.09 0.09 78.73 11:00:06 1 20.02 0.00 0.75 0.14 0.09 79.00 11:00:06 2 19.58 0.00 0.93 0.35 0.10 79.05 11:00:06 3 19.98 0.00 0.88 0.25 0.09 78.81 11:10:06 all 28.65 0.00 1.04 0.28 0.11 69.92 11:10:06 0 28.90 0.00 0.90 0.11 0.11 69.97 11:10:06 1 28.80 0.00 0.98 0.80 0.11 69.31 11:10:06 2 28.77 0.00 1.11 0.10 0.11 69.92 11:10:06 3 28.13 0.00 1.17 0.11 0.10 70.48 11:20:06 all 10.15 0.00 0.57 0.05 0.08 89.15 11:20:06 0 9.99 0.00 0.47 0.00 0.07 89.46 11:20:06 1 10.31 0.00 0.60 0.04 0.08 88.96 11:20:06 2 10.15 0.00 0.62 0.05 0.08 89.10 11:20:06 3 10.16 0.00 0.57 0.12 0.07 89.08 11:30:01 all 9.59 0.00 0.60 0.08 0.08 89.65 11:30:01 0 9.56 0.00 0.62 0.01 0.07 89.74 11:30:01 1 9.52 0.00 0.67 0.12 0.08 89.61 11:30:01 2 9.75 0.00 0.57 0.09 0.07 89.51 11:30:01 3 9.55 0.00 0.54 0.08 0.08 89.75 11:40:01 all 11.29 0.00 0.56 0.08 0.08 87.99 11:40:01 0 11.01 0.00 0.49 0.01 0.07 88.42 11:40:01 1 11.29 0.00 0.68 0.21 0.09 87.74 11:40:01 2 11.49 0.00 0.54 0.06 0.09 87.81 11:40:01 3 11.38 0.00 0.52 0.05 0.08 87.97 11:50:06 all 9.24 0.00 0.45 0.05 0.09 90.18 11:50:06 0 8.78 0.00 0.41 0.07 0.09 90.64 11:50:06 1 9.13 0.00 0.45 0.03 0.09 90.29 11:50:06 2 9.05 0.00 0.43 0.04 0.09 90.39 11:50:06 3 9.98 0.00 0.50 0.04 0.09 89.40 12:00:01 all 16.77 0.00 0.73 0.05 0.11 82.34 12:00:01 0 16.30 0.00 0.61 0.11 0.10 82.87 12:00:01 1 17.04 0.00 0.79 0.01 0.12 82.04 12:00:01 2 17.18 0.00 0.80 0.05 0.11 81.86 12:00:01 3 16.57 0.00 0.72 0.02 0.11 82.58 Average: all 22.35 0.00 0.97 0.27 0.10 76.31 Average: 0 22.23 0.00 0.91 0.27 0.10 76.50 Average: 1 22.41 0.00 1.01 0.29 0.10 76.19 Average: 2 22.39 0.00 0.97 0.29 0.10 76.25 Average: 3 22.39 0.00 0.99 0.23 0.10 76.29