---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26455 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: 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 9.1G 69G 12% / 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 625 11925 4 3438 15021 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:7b:91:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82676sec preferred_lft 82676sec inet6 fe80::f816:3eff:fe7b:9147/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:a1:23:a6:7a:92 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26455) 06/10/26 _x86_64_ (4 CPU) 12:39:09 LINUX RESTART (4 CPU) 12:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 45.91 4.36 40.01 1.54 260.56 7719.28 16447.77 13:00:00 2.18 0.01 2.17 0.00 0.04 2888.16 0.00 13:10:00 1.96 0.00 1.96 0.00 0.00 495.20 0.00 13:20:00 1.91 0.00 1.91 0.00 0.01 24.59 0.00 13:30:00 1.61 0.00 1.61 0.00 0.00 21.16 0.00 13:40:00 1.67 0.00 1.67 0.00 0.00 21.09 0.00 Average: 9.19 0.73 8.21 0.26 43.33 1858.73 2734.63 12:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 10493836 13645392 2316740 14.15 113524 3187224 2650088 15.21 581720 4933584 48 13:00:00 10493080 13645496 2316624 14.15 114308 3187232 2650668 15.21 582524 4934640 36 13:10:00 10490560 13643812 2318312 14.16 115120 3187232 2651052 15.22 583336 4934960 28 13:20:00 10489304 13643580 2318436 14.16 115968 3187372 2651116 15.22 584184 4935120 32 13:30:00 10488800 13643880 2318148 14.16 116604 3187512 2651308 15.22 584820 4936348 24 13:40:00 10488800 13644528 2317340 14.15 117204 3187528 2651308 15.22 585412 4936588 24 Average: 10490730 13644448 2317600 14.15 115455 3187350 2650923 15.22 583666 4935207 32 12:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 12:50:00 ens3 85.86 64.67 876.41 11.03 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:00 ens3 0.77 0.31 0.67 0.05 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:00 ens3 0.26 0.10 0.07 0.04 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:00 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:00 ens3 0.20 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:00 ens3 0.29 0.12 0.07 0.04 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 14.57 10.87 145.86 1.86 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-4g-26455) 06/10/26 _x86_64_ (4 CPU) 12:39:09 LINUX RESTART (4 CPU) 12:40:02 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 18.82 0.00 0.90 0.99 0.07 79.22 12:50:00 0 16.48 0.00 0.80 0.16 0.06 82.50 12:50:00 1 22.32 0.00 1.12 1.64 0.08 74.85 12:50:00 2 18.63 0.00 0.79 0.56 0.07 79.95 12:50:00 3 17.88 0.00 0.89 1.60 0.06 79.57 13:00:00 all 0.17 0.00 0.06 0.04 0.05 99.68 13:00:00 0 0.10 0.00 0.05 0.01 0.06 99.79 13:00:00 1 0.13 0.00 0.08 0.04 0.05 99.70 13:00:00 2 0.12 0.00 0.06 0.01 0.04 99.77 13:00:00 3 0.34 0.00 0.05 0.10 0.05 99.46 13:10:00 all 0.25 0.00 0.06 0.01 0.04 99.63 13:10:00 0 0.07 0.00 0.07 0.00 0.07 99.80 13:10:00 1 0.68 0.00 0.05 0.01 0.05 99.21 13:10:00 2 0.13 0.00 0.07 0.00 0.03 99.76 13:10:00 3 0.13 0.00 0.07 0.04 0.03 99.73 13:20:00 all 0.37 0.00 0.06 0.03 0.05 99.49 13:20:00 0 0.07 0.00 0.05 0.02 0.05 99.81 13:20:00 1 0.72 0.00 0.06 0.03 0.04 99.15 13:20:00 2 0.46 0.00 0.07 0.01 0.04 99.43 13:20:00 3 0.23 0.00 0.07 0.06 0.06 99.59 13:30:00 all 0.14 0.00 0.06 0.05 0.04 99.71 13:30:00 0 0.02 0.00 0.02 0.08 0.03 99.85 13:30:00 1 0.13 0.00 0.07 0.09 0.04 99.67 13:30:00 2 0.34 0.00 0.08 0.01 0.05 99.53 13:30:00 3 0.09 0.00 0.07 0.01 0.04 99.80 13:40:00 all 0.27 0.00 0.06 0.04 0.04 99.59 13:40:00 0 0.05 0.00 0.03 0.00 0.02 99.90 13:40:00 1 0.11 0.00 0.08 0.08 0.05 99.69 13:40:00 2 0.81 0.00 0.09 0.07 0.07 98.97 13:40:00 3 0.09 0.00 0.07 0.01 0.02 99.81 Average: all 3.33 0.00 0.20 0.19 0.05 96.23 Average: 0 2.79 0.00 0.17 0.04 0.05 96.95 Average: 1 4.00 0.00 0.24 0.31 0.05 95.39 Average: 2 3.40 0.00 0.19 0.11 0.05 96.25 Average: 3 3.12 0.00 0.20 0.30 0.04 96.34