---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19070 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 18G 61G 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 688 12653 3 2647 14958 Swap: 1023 23 1000 ---> 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:3b:4a:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82379sec preferred_lft 82379sec inet6 fe80::f816:3eff:fe3b:4af8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:25:d0:c0:5a:64 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::425:d0ff:fec0:5a64/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-19070) 05/22/26 _x86_64_ (4 CPU) 13:20:34 LINUX RESTART (4 CPU) 13:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 59.42 11.83 44.82 2.77 275.00 4013.00 2403.65 13:50:15 30.78 9.62 20.10 1.06 696.89 1372.80 972.00 14:00:01 11.19 3.00 7.79 0.39 62.21 245.64 745.62 14:10:01 11.15 0.34 10.40 0.42 7.11 581.50 743.73 14:20:15 7.37 0.80 6.32 0.25 20.00 327.06 205.52 Average: 24.00 5.13 17.89 0.98 214.34 1308.80 1011.46 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 1352376 2701060 13235724 80.84 251376 1193548 14585432 83.72 1028640 13518060 1516 13:50:15 5188260 7028480 8909472 54.42 263476 1672140 9671084 55.51 1180628 9523312 364 14:00:01 7945908 9816220 6125956 37.41 264408 1701364 6944068 39.86 1201920 6770576 168 14:10:01 11239080 13286276 2657720 16.23 271224 1866668 4161772 23.89 1239736 3455528 56400 14:20:15 9250908 11318804 4624172 28.24 272780 1885664 5303372 30.44 1254284 5416796 84 Average: 6995306 8830168 7110609 43.43 264653 1663877 8133146 46.68 1181042 7736854 11706 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 28.82 28.82 19.57 19.57 0.00 0.00 0.00 0.00 13:40:01 ens3 1.90 1.73 0.55 0.47 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:15 lo 44.56 44.56 20.44 20.44 0.00 0.00 0.00 0.00 13:50:15 ens3 1.50 1.44 0.38 0.33 0.00 0.00 0.00 0.00 13:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 17.18 17.18 8.47 8.47 0.00 0.00 0.00 0.00 14:00:01 ens3 1.11 1.43 0.19 1.09 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 2.40 2.40 1.21 1.21 0.00 0.00 0.00 0.00 14:10:01 ens3 0.61 0.57 0.23 0.20 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:15 lo 22.52 22.52 10.67 10.67 0.00 0.00 0.00 0.00 14:20:15 ens3 0.68 0.61 0.16 0.13 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.22 23.22 12.12 12.12 0.00 0.00 0.00 0.00 Average: ens3 1.16 1.15 0.30 0.44 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-19070) 05/22/26 _x86_64_ (4 CPU) 13:20:34 LINUX RESTART (4 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 57.04 0.00 2.27 0.26 0.11 40.32 13:40:01 0 56.85 0.00 2.40 0.31 0.12 40.33 13:40:01 1 56.56 0.00 2.42 0.18 0.11 40.73 13:40:01 2 57.32 0.00 2.14 0.35 0.11 40.08 13:40:01 3 57.44 0.00 2.12 0.19 0.12 40.13 13:50:15 all 33.82 0.00 1.43 0.28 0.10 64.37 13:50:15 0 33.74 0.00 1.44 0.64 0.10 64.09 13:50:15 1 33.82 0.00 1.63 0.18 0.10 64.26 13:50:15 2 33.91 0.00 1.35 0.18 0.10 64.46 13:50:15 3 33.82 0.00 1.29 0.11 0.10 64.67 14:00:01 all 16.89 0.00 0.81 0.07 0.08 82.15 14:00:01 0 16.60 0.00 0.81 0.06 0.08 82.46 14:00:01 1 17.55 0.00 0.81 0.05 0.08 81.52 14:00:01 2 16.91 0.00 0.88 0.15 0.08 81.98 14:00:01 3 16.50 0.00 0.74 0.02 0.08 82.65 14:10:01 all 10.74 0.00 0.55 2.76 0.07 85.88 14:10:01 0 10.45 0.00 0.48 0.04 0.06 88.97 14:10:01 1 9.91 0.00 0.60 5.77 0.07 83.64 14:10:01 2 11.09 0.00 0.56 0.14 0.07 88.15 14:10:01 3 11.51 0.00 0.56 5.10 0.06 82.76 14:20:15 all 10.82 0.00 0.39 0.08 0.07 88.64 14:20:15 0 11.16 0.00 0.41 0.06 0.07 88.29 14:20:15 1 11.16 0.00 0.37 0.15 0.08 88.25 14:20:15 2 10.37 0.00 0.46 0.09 0.07 89.00 14:20:15 3 10.58 0.00 0.31 0.02 0.07 89.02 Average: all 25.87 0.00 1.09 0.69 0.09 72.26 Average: 0 25.75 0.00 1.11 0.22 0.08 72.83 Average: 1 25.81 0.00 1.17 1.26 0.09 71.67 Average: 2 25.94 0.00 1.08 0.18 0.09 72.71 Average: 3 25.99 0.00 1.01 1.08 0.09 71.83