---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2992 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 646 10530 4 4811 14999 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:38:fe:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82520sec preferred_lft 82520sec inet6 fe80::f816:3eff:fe38:febc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:83:e6:e4:44:39 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-2992) 04/15/26 _x86_64_ (4 CPU) 10:50:43 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:02 1.33 0.00 1.32 0.00 0.04 15.79 0.13 11:20:03 1.26 0.00 1.26 0.00 0.01 14.59 0.00 11:30:02 27.32 1.28 26.01 0.03 92.74 376.77 607.04 11:40:12 20.28 2.95 16.60 0.73 162.96 3896.21 571.56 11:50:04 3.07 0.02 2.96 0.09 1.15 334.06 230.25 Average: 10.69 0.86 9.66 0.17 51.87 939.53 282.66 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:02 13763848 15513924 504844 3.08 54672 1922264 1148756 6.59 193968 2161884 188 11:20:03 13763356 15513884 504792 3.08 55092 1922280 1148756 6.59 194396 2162776 264 11:30:02 13474480 15376800 634340 3.87 62444 2060484 1225160 7.03 234008 2390704 74864 11:40:12 9533900 12508588 3455112 21.10 113480 3027292 3678812 21.12 488720 6008848 64 11:50:04 10328560 13441304 2521436 15.40 117612 3150300 2817376 16.17 517288 5177676 47996 Average: 12172829 14470900 1524105 9.31 80660 2416524 2003772 11.50 325676 3580378 24675 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:02 ens3 0.46 0.14 0.11 0.06 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:03 ens3 0.24 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:30:02 ens3 21.63 13.61 78.12 4.90 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 0.50 0.50 0.07 0.07 0.00 0.00 0.00 0.00 11:40:12 ens3 64.13 52.59 830.08 7.88 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 lo 0.54 0.54 0.37 0.37 0.00 0.00 0.00 0.00 11:50:04 ens3 5.58 4.71 30.58 1.06 0.00 0.00 0.00 0.00 11:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.27 0.27 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 18.60 14.38 190.48 2.80 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-2992) 04/15/26 _x86_64_ (4 CPU) 10:50:43 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:02 all 0.14 0.00 0.02 0.01 0.01 99.82 11:10:02 0 0.01 0.00 0.01 0.00 0.00 99.97 11:10:02 1 0.40 0.00 0.03 0.00 0.01 99.55 11:10:02 2 0.05 0.00 0.02 0.02 0.01 99.91 11:10:02 3 0.08 0.00 0.04 0.01 0.01 99.85 11:20:03 all 0.18 0.00 0.02 0.01 0.01 99.78 11:20:03 0 0.01 0.00 0.01 0.00 0.01 99.97 11:20:03 1 0.20 0.00 0.04 0.01 0.02 99.73 11:20:03 2 0.49 0.00 0.02 0.00 0.01 99.48 11:20:03 3 0.01 0.00 0.02 0.02 0.01 99.94 11:30:02 all 0.86 0.00 0.12 0.11 0.02 98.90 11:30:02 0 0.80 0.00 0.04 0.02 0.01 99.14 11:30:02 1 0.39 0.00 0.20 0.33 0.01 99.06 11:30:02 2 1.81 0.00 0.13 0.03 0.02 98.02 11:30:02 3 0.46 0.00 0.11 0.05 0.02 99.37 11:40:12 all 50.23 0.00 1.10 0.16 0.08 48.42 11:40:12 0 49.53 0.00 1.01 0.08 0.08 49.29 11:40:12 1 55.56 0.00 1.22 0.11 0.09 43.02 11:40:12 2 45.05 0.00 1.16 0.07 0.09 53.63 11:40:12 3 50.80 0.00 1.03 0.36 0.08 47.73 11:50:04 all 44.31 0.00 0.52 0.01 0.08 55.08 11:50:04 0 50.76 0.00 0.54 0.01 0.09 48.60 11:50:04 1 45.51 0.00 0.37 0.00 0.08 54.04 11:50:04 2 52.64 0.00 0.55 0.01 0.08 46.72 11:50:04 3 28.29 0.00 0.61 0.04 0.07 71.00 Average: all 19.18 0.00 0.36 0.06 0.04 80.37 Average: 0 20.24 0.00 0.32 0.02 0.04 79.38 Average: 1 20.46 0.00 0.38 0.09 0.04 79.03 Average: 2 20.00 0.00 0.38 0.03 0.04 79.56 Average: 3 16.00 0.00 0.36 0.09 0.04 83.51