---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466945 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 11G 67G 14% / 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 614 10580 4 4794 15032 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:4c:70:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82688sec preferred_lft 82688sec inet6 fe80::f816:3eff:fe4c:708b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:e6:2d:2a:25:7e 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-466945) 03/14/26 _x86_64_ (4 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.66 0.19 1.46 0.01 5.19 22.56 216.95 00:20:00 1.19 0.00 1.19 0.00 0.01 13.93 0.00 00:30:00 44.87 4.08 40.14 0.65 252.32 3908.01 490.94 00:40:00 3.82 0.07 3.57 0.18 7.05 630.84 44.24 00:50:00 24.43 0.62 21.66 2.15 24.96 6089.19 14364.13 Average: 15.19 0.99 13.61 0.60 57.91 2132.90 3023.26 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 13799976 15544776 473988 2.89 55072 1916568 1126992 6.47 199276 2133860 4 00:20:00 13798728 15543952 474644 2.90 55348 1916704 1126992 6.47 199544 2134672 124 00:30:00 10668192 13508820 2455388 15.00 109476 2907576 2869124 16.47 462644 4904392 376 00:40:00 9920372 12943284 3019776 18.44 115532 3068452 3253260 18.67 514284 5590580 1372 00:50:00 10859940 15411808 545064 3.33 137580 4516380 1074620 6.17 884460 4211524 25340 Average: 11809442 14590528 1393772 8.51 94602 2865136 1890198 10.85 452042 3795006 5443 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:10:00 ens3 0.41 0.14 0.10 0.05 0.00 0.00 0.00 0.00 00:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:00 ens3 0.26 0.07 0.05 0.02 0.00 0.00 0.00 0.00 00:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:00 lo 0.39 0.39 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 95.27 70.44 894.73 12.15 0.00 0.00 0.00 0.00 00:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:00 ens3 11.77 9.36 36.88 2.98 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 514.95 514.95 489.57 489.57 0.00 0.00 0.00 0.00 00:50:00 ens3 54.86 41.40 485.17 27.34 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 103.23 103.23 98.00 98.00 0.00 0.00 0.00 0.00 Average: ens3 32.51 24.28 283.38 8.51 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-4g-466945) 03/14/26 _x86_64_ (4 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.29 0.00 0.03 0.01 0.02 99.65 00:10:00 0 0.03 0.00 0.04 0.01 0.02 99.90 00:10:00 1 0.14 0.00 0.03 0.00 0.02 99.81 00:10:00 2 0.03 0.00 0.03 0.02 0.02 99.91 00:10:00 3 0.96 0.00 0.03 0.02 0.01 98.98 00:20:00 all 0.19 0.00 0.03 0.01 0.02 99.75 00:20:00 0 0.02 0.00 0.03 0.01 0.01 99.94 00:20:00 1 0.51 0.00 0.02 0.01 0.01 99.45 00:20:00 2 0.22 0.00 0.05 0.01 0.03 99.69 00:20:00 3 0.02 0.00 0.03 0.01 0.01 99.94 00:30:00 all 19.34 0.00 0.67 0.28 0.04 79.68 00:30:00 0 19.32 0.00 0.89 0.15 0.04 79.61 00:30:00 1 19.39 0.00 0.53 0.06 0.04 79.99 00:30:00 2 19.78 0.00 0.58 0.54 0.05 79.05 00:30:00 3 18.87 0.00 0.67 0.36 0.04 80.07 00:40:00 all 48.42 0.00 0.70 0.02 0.07 50.79 00:40:00 0 43.41 0.00 0.76 0.02 0.07 55.73 00:40:00 1 69.96 0.00 0.89 0.01 0.08 29.06 00:40:00 2 38.35 0.00 0.66 0.02 0.07 60.90 00:40:00 3 42.01 0.00 0.50 0.02 0.07 57.40 00:50:00 all 49.85 0.00 1.38 0.11 0.07 48.59 00:50:00 0 40.45 0.00 1.45 0.09 0.07 57.95 00:50:00 1 65.70 0.00 1.63 0.04 0.08 32.55 00:50:00 2 52.78 0.00 1.30 0.20 0.07 45.64 00:50:00 3 40.50 0.00 1.15 0.10 0.07 58.18 Average: all 23.60 0.00 0.56 0.08 0.04 75.71 Average: 0 20.63 0.00 0.63 0.05 0.04 78.64 Average: 1 31.09 0.00 0.62 0.03 0.04 68.22 Average: 2 22.23 0.00 0.53 0.16 0.05 77.04 Average: 3 20.43 0.00 0.47 0.10 0.04 78.95