---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23640 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 711 11496 3 3781 14935 Swap: 1023 21 1002 ---> 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:bd:94:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79374sec preferred_lft 79374sec inet6 fe80::f816:3eff:febd:94a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:82:cd:fe:8f:21 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::9c82:cdff:fefe:8f21/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23640) 06/04/26 _x86_64_ (4 CPU) 08:07:39 LINUX RESTART (4 CPU) 08:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:11 111.42 8.10 98.89 4.42 1148.39 36115.03 12104.80 08:30:11 31.96 4.62 26.12 1.22 91.52 742.92 916.01 08:40:09 55.78 21.18 18.33 16.27 271.40 1415.62 211504.39 08:50:11 11.69 0.05 11.07 0.56 1.24 604.24 1383.44 09:00:11 18.46 0.09 17.55 0.82 2.92 541.33 479.55 09:10:11 5.70 0.10 5.41 0.20 1.95 177.77 57.41 09:20:11 4.70 0.08 4.45 0.17 1.00 134.72 103.52 09:30:03 6.59 0.04 6.32 0.22 2.34 172.82 168.54 09:40:01 4.33 1.01 3.15 0.17 12.07 125.95 28.37 09:50:11 8.84 0.07 8.45 0.32 7.65 543.64 120.96 10:00:11 9.09 0.03 8.67 0.38 1.47 319.04 246.45 Average: 24.51 3.22 19.04 2.25 141.32 3756.74 20581.75 08:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:11 158552 7182120 8739440 53.38 263852 6558944 10725732 61.57 2394048 13055848 2624 08:30:11 2742984 4906352 11030824 67.37 260868 1982096 12137984 69.67 1761580 11369812 1228 08:40:09 4835848 7373684 8564752 52.31 273784 2343352 9400836 53.96 1928504 9126988 264 08:50:11 10484352 13134060 2809364 17.16 277772 2450432 3752792 21.54 1968184 3475440 768 09:00:11 9833268 12568324 3374816 20.61 280692 2532860 4930148 28.30 1986004 4107264 8560 09:10:11 8444732 11196768 4745420 28.98 281704 2548796 5484560 31.48 1988008 5484464 160 09:20:11 8612468 11383992 4558164 27.84 282112 2567868 5290808 30.37 1989248 5308156 24 09:30:03 11819144 14631004 1313360 8.02 282536 2607796 2079364 11.94 1994420 2117732 20424 09:40:01 12478232 15314484 629720 3.85 283248 2631352 1384332 7.95 2000132 1433204 21912 09:50:11 9300452 12250716 3691756 22.55 286948 2735880 4939372 28.35 2006984 4608440 1924 10:00:11 8048748 11052420 4889868 29.87 287880 2788164 5905568 33.90 2026580 5841380 332 Average: 7887162 10999448 4940680 30.18 278309 2886140 6002863 34.46 2003972 5993521 5293 08:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:11 lo 4.62 4.62 5.20 5.20 0.00 0.00 0.00 0.00 08:20:11 ens3 92.87 73.66 1332.79 8.82 0.00 0.00 0.00 0.00 08:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:11 lo 37.70 37.70 22.41 22.41 0.00 0.00 0.00 0.00 08:30:11 ens3 1.62 1.37 0.34 0.28 0.00 0.00 0.00 0.00 08:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:09 lo 42.46 42.46 18.73 18.73 0.00 0.00 0.00 0.00 08:40:09 ens3 1.53 1.35 0.38 0.33 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:11 lo 11.53 11.53 6.05 6.05 0.00 0.00 0.00 0.00 08:50:11 ens3 0.77 0.61 0.22 0.17 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:11 lo 12.95 12.95 7.23 7.23 0.00 0.00 0.00 0.00 09:00:11 ens3 0.85 0.86 0.18 0.17 0.00 0.00 0.00 0.00 09:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 20.06 20.06 9.68 9.68 0.00 0.00 0.00 0.00 09:10:11 ens3 0.74 0.60 0.20 0.14 0.00 0.00 0.00 0.00 09:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:11 lo 26.32 26.32 8.88 8.88 0.00 0.00 0.00 0.00 09:20:11 ens3 0.43 0.33 0.09 0.06 0.00 0.00 0.00 0.00 09:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 17.22 17.22 8.67 8.67 0.00 0.00 0.00 0.00 09:30:03 ens3 0.61 0.56 0.13 0.10 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 17.96 17.96 10.50 10.50 0.00 0.00 0.00 0.00 09:40:01 ens3 5.93 3.86 3.79 2.59 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:11 lo 4.53 4.53 2.44 2.44 0.00 0.00 0.00 0.00 09:50:11 ens3 0.53 0.43 0.16 0.12 0.00 0.00 0.00 0.00 09:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:11 lo 23.28 23.28 10.94 10.94 0.00 0.00 0.00 0.00 10:00:11 ens3 0.91 0.80 0.23 0.18 0.00 0.00 0.00 0.00 10:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.83 19.83 10.05 10.05 0.00 0.00 0.00 0.00 Average: ens3 9.81 7.75 123.13 1.19 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23640) 06/04/26 _x86_64_ (4 CPU) 08:07:39 LINUX RESTART (4 CPU) 08:10:03 CPU %user %nice %system %iowait %steal %idle 08:20:11 all 50.39 0.00 2.40 0.35 0.10 46.76 08:20:11 0 51.92 0.00 2.35 0.35 0.10 45.28 08:20:11 1 49.82 0.00 2.67 0.37 0.10 47.03 08:20:11 2 49.13 0.00 2.27 0.34 0.10 48.16 08:20:11 3 50.68 0.00 2.32 0.33 0.10 46.56 08:30:11 all 53.73 0.00 2.11 0.06 0.12 43.98 08:30:11 0 54.03 0.00 2.02 0.04 0.12 43.79 08:30:11 1 52.93 0.00 2.30 0.04 0.12 44.60 08:30:11 2 54.25 0.00 2.02 0.08 0.13 43.52 08:30:11 3 53.69 0.00 2.11 0.10 0.12 43.98 08:40:09 all 31.36 0.00 1.40 0.12 0.10 67.03 08:40:09 0 31.76 0.00 1.35 0.12 0.10 66.67 08:40:09 1 30.20 0.00 1.47 0.16 0.10 68.07 08:40:09 2 30.96 0.00 1.35 0.07 0.10 67.51 08:40:09 3 32.52 0.00 1.40 0.12 0.10 65.86 08:50:11 all 19.11 0.00 0.73 0.05 0.07 80.03 08:50:11 0 19.25 0.00 0.68 0.09 0.07 79.90 08:50:11 1 18.14 0.00 0.76 0.05 0.08 80.99 08:50:11 2 20.39 0.00 0.74 0.04 0.07 78.76 08:50:11 3 18.68 0.00 0.73 0.03 0.07 80.49 09:00:11 all 29.35 0.00 0.89 0.05 0.08 69.63 09:00:11 0 29.17 0.00 0.85 0.10 0.08 69.81 09:00:11 1 29.32 0.00 0.98 0.03 0.08 69.59 09:00:11 2 29.75 0.00 0.81 0.03 0.08 69.33 09:00:11 3 29.17 0.00 0.92 0.05 0.07 69.79 09:10:11 all 11.01 0.00 0.54 0.15 0.06 88.25 09:10:11 0 10.48 0.00 0.48 0.09 0.05 88.90 09:10:11 1 11.32 0.00 0.54 0.09 0.06 87.99 09:10:11 2 11.04 0.00 0.54 0.39 0.06 87.97 09:10:11 3 11.20 0.00 0.59 0.04 0.06 88.12 09:20:11 all 8.89 0.00 0.37 0.02 0.07 90.64 09:20:11 0 8.85 0.00 0.39 0.04 0.07 90.66 09:20:11 1 8.95 0.00 0.36 0.01 0.06 90.62 09:20:11 2 8.48 0.00 0.39 0.03 0.06 91.04 09:20:11 3 9.29 0.00 0.36 0.01 0.08 90.26 09:30:03 all 12.43 0.00 0.61 0.02 0.06 86.87 09:30:03 0 12.37 0.00 0.56 0.01 0.06 86.99 09:30:03 1 13.20 0.00 0.66 0.06 0.06 86.02 09:30:03 2 12.19 0.00 0.67 0.01 0.06 87.06 09:30:03 3 11.95 0.00 0.56 0.02 0.06 87.41 09:40:01 all 9.98 0.00 0.62 0.09 0.06 89.25 09:40:01 0 9.85 0.00 0.64 0.08 0.06 89.37 09:40:01 1 10.06 0.00 0.59 0.17 0.07 89.11 09:40:01 2 10.23 0.00 0.65 0.03 0.06 89.02 09:40:01 3 9.76 0.00 0.58 0.09 0.06 89.51 09:50:11 all 11.49 0.00 0.59 0.03 0.06 87.83 09:50:11 0 11.52 0.00 0.51 0.05 0.05 87.86 09:50:11 1 12.26 0.00 0.66 0.04 0.06 86.98 09:50:11 2 10.78 0.00 0.63 0.00 0.06 88.53 09:50:11 3 11.40 0.00 0.57 0.04 0.05 87.95 10:00:11 all 16.62 0.00 0.62 0.04 0.07 82.65 10:00:11 0 16.88 0.00 0.58 0.05 0.07 82.42 10:00:11 1 17.34 0.00 0.65 0.02 0.07 81.91 10:00:11 2 15.43 0.00 0.63 0.05 0.07 83.82 10:00:11 3 16.84 0.00 0.61 0.04 0.07 82.44 Average: CPU %user %nice %system %iowait %steal %idle Average: all 23.15 0.00 0.99 0.09 0.08 75.69 Average: 0 23.31 0.00 0.95 0.09 0.07 75.57 Average: 1 23.08 0.00 1.06 0.09 0.08 75.69 Average: 2 22.99 0.00 0.98 0.10 0.08 75.86 Average: 3 23.23 0.00 0.98 0.08 0.08 75.64