---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47132 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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: 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 16G 62G 21% / 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 747 7296 4 7946 14899 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ae:93:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82127sec preferred_lft 82127sec inet6 fe80::f816:3eff:feae:9357/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:3f:7b:10:4a:2e 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::243f:7bff:fe10:4a2e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47132) 09/03/26 _x86_64_ (4 CPU) 09:10:06 LINUX RESTART (4 CPU) 09:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:08 15.81 0.65 14.41 0.75 60.27 1381.23 500.15 09:40:01 6.96 0.21 6.38 0.36 15.26 218.44 1011.84 09:50:06 5.14 0.00 4.85 0.28 0.03 204.51 1013.95 10:00:08 19.03 0.74 17.21 1.08 9.04 1730.00 1375.14 10:10:01 29.88 0.06 28.28 1.53 4.79 1847.17 1035.12 10:20:02 12.66 0.51 11.55 0.60 10.90 324.70 309.05 Average: 14.89 0.36 13.76 0.77 16.71 950.04 873.99 09:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:08 363028 8950920 6975420 42.60 231712 8188036 7720664 44.32 1895788 13379808 48 09:40:01 1776940 10181516 5746452 35.10 233276 8006152 6561532 37.66 1954164 11920160 744 09:50:06 6722296 15140864 789372 4.82 234336 8019052 1734736 9.96 1960004 6989124 436 10:00:08 4004140 12809808 3116876 19.04 247140 8378276 4402744 25.27 2065460 9574848 10592 10:10:01 3377088 11045220 4881908 29.82 259444 7241580 5548852 31.85 2186600 10088972 312 10:20:02 4212856 11930860 3997120 24.41 261712 7288744 4702120 26.99 2219132 9197008 11640 Average: 3409391 11676531 4251191 25.96 244603 7853640 5111775 29.34 2046858 10191653 3962 09:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:08 lo 8.70 8.70 6.04 6.04 0.00 0.00 0.00 0.00 09:30:08 ens3 0.72 0.55 0.18 0.14 0.00 0.00 0.00 0.00 09:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 10.55 10.55 5.55 5.55 0.00 0.00 0.00 0.00 09:40:01 ens3 0.72 0.65 0.10 0.79 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 09:50:06 lo 7.34 7.34 4.68 4.68 0.00 0.00 0.00 0.00 09:50:06 ens3 0.75 0.70 0.12 0.41 0.00 0.00 0.00 0.00 09:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:08 lo 12.88 12.88 10.63 10.63 0.00 0.00 0.00 0.00 10:00:08 ens3 1.02 0.92 0.32 0.26 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 22.32 22.32 14.60 14.60 0.00 0.00 0.00 0.00 10:10:01 ens3 1.42 1.52 0.33 0.32 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 25.19 25.19 11.23 11.23 0.00 0.00 0.00 0.00 10:20:02 ens3 1.60 1.56 0.65 0.40 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 14.48 14.48 8.78 8.78 0.00 0.00 0.00 0.00 Average: ens3 1.04 0.98 0.28 0.38 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47132) 09/03/26 _x86_64_ (4 CPU) 09:10:06 LINUX RESTART (4 CPU) 09:20:08 CPU %user %nice %system %iowait %steal %idle 09:30:08 all 17.58 0.00 0.74 0.06 0.04 81.58 09:30:08 0 17.41 0.00 0.64 0.03 0.04 81.88 09:30:08 1 17.13 0.00 0.76 0.04 0.04 82.03 09:30:08 2 16.53 0.00 0.80 0.16 0.04 82.47 09:30:08 3 19.22 0.00 0.75 0.03 0.04 79.96 09:40:01 all 15.44 0.00 0.77 0.05 0.04 83.71 09:40:01 0 14.39 0.00 0.77 0.03 0.04 84.77 09:40:01 1 15.49 0.00 0.77 0.03 0.03 83.68 09:40:01 2 15.66 0.00 0.72 0.09 0.03 83.49 09:40:01 3 16.23 0.00 0.81 0.04 0.04 82.89 09:50:06 all 9.39 0.00 0.50 0.03 0.03 90.05 09:50:06 0 9.63 0.00 0.47 0.02 0.03 89.85 09:50:06 1 9.82 0.00 0.50 0.02 0.03 89.63 09:50:06 2 9.29 0.00 0.49 0.02 0.03 90.17 09:50:06 3 8.83 0.00 0.54 0.07 0.03 90.53 10:00:08 all 26.16 0.00 1.17 0.11 0.03 72.53 10:00:08 0 25.59 0.00 1.15 0.02 0.03 73.20 10:00:08 1 26.17 0.00 1.14 0.28 0.03 72.38 10:00:08 2 27.00 0.00 1.22 0.08 0.03 71.68 10:00:08 3 25.87 0.00 1.18 0.08 0.03 72.85 10:10:01 all 45.01 0.00 1.74 0.12 0.07 53.06 10:10:01 0 45.73 0.00 1.74 0.14 0.07 52.31 10:10:01 1 45.42 0.00 1.70 0.13 0.07 52.69 10:10:01 2 45.21 0.00 1.71 0.10 0.08 52.90 10:10:01 3 43.67 0.00 1.81 0.10 0.07 54.35 10:20:02 all 21.94 0.00 1.00 0.07 0.03 76.96 10:20:02 0 21.86 0.00 0.98 0.07 0.03 77.06 10:20:02 1 21.02 0.00 1.04 0.05 0.03 77.87 10:20:02 2 22.41 0.00 1.06 0.12 0.03 76.40 10:20:02 3 22.47 0.00 0.94 0.05 0.03 76.51 Average: all 22.54 0.00 0.99 0.07 0.04 76.36 Average: 0 22.39 0.00 0.96 0.05 0.04 76.56 Average: 1 22.46 0.00 0.98 0.09 0.04 76.43 Average: 2 22.65 0.00 1.00 0.09 0.04 76.22 Average: 3 22.67 0.00 1.00 0.06 0.04 76.23