---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26199 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 732 10158 3 5098 14910 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:ce:d0:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83069sec preferred_lft 83069sec inet6 fe80::f816:3eff:fece:d092/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:82:17:42:60:30 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::8c82:17ff:fe42:6030/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26199) 06/09/26 _x86_64_ (4 CPU) 12:31:01 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:47 55.35 20.40 32.94 2.01 240.10 4559.23 3349.31 13:00:20 19.64 12.56 6.70 0.37 144.42 231.56 1846.20 13:10:01 6.05 0.08 5.57 0.40 3.29 190.04 1840.06 13:20:20 11.79 0.13 11.15 0.50 4.42 812.60 297.95 Average: 23.91 8.48 14.58 0.85 100.27 1526.51 1850.23 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:47 6622216 10958896 4968912 30.35 265188 3978972 5675152 32.58 1995816 7107188 196 13:00:20 7214208 11614064 4314776 26.35 269244 4030336 6042136 34.68 2053820 6456792 820 13:10:01 10685248 15184820 745028 4.55 273092 4121880 1597152 9.17 2074980 2965636 84668 13:20:20 6673588 11280984 4646324 28.38 277868 4219776 5236512 30.06 2091812 6944172 80 Average: 7798815 12259691 3668760 22.41 271348 4087741 4637738 26.62 2054107 5868447 21441 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:47 lo 16.58 16.58 13.24 13.24 0.00 0.00 0.00 0.00 12:50:47 ens3 1.29 1.17 0.46 0.43 0.00 0.00 0.00 0.00 12:50:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:20 lo 8.83 8.83 4.03 4.03 0.00 0.00 0.00 0.00 13:00:20 ens3 1.77 1.50 0.43 1.50 0.00 0.00 0.00 0.00 13:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.09 12.09 7.15 7.15 0.00 0.00 0.00 0.00 13:10:01 ens3 0.62 0.52 0.17 0.13 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:20 lo 20.65 20.65 10.43 10.43 0.00 0.00 0.00 0.00 13:20:20 ens3 1.02 0.99 0.26 0.25 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 14.71 14.71 8.87 8.87 0.00 0.00 0.00 0.00 Average: ens3 1.17 1.05 0.33 0.56 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-26199) 06/09/26 _x86_64_ (4 CPU) 12:31:01 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:47 all 30.84 0.00 1.23 0.11 0.09 67.73 12:50:47 0 31.09 0.00 1.20 0.08 0.09 67.53 12:50:47 1 30.90 0.00 1.27 0.09 0.10 67.64 12:50:47 2 31.07 0.00 1.34 0.12 0.10 67.37 12:50:47 3 30.31 0.00 1.08 0.13 0.09 68.37 13:00:20 all 14.13 0.09 0.56 0.14 0.07 85.01 13:00:20 0 14.30 0.05 0.48 0.12 0.06 84.99 13:00:20 1 13.87 0.00 0.64 0.08 0.07 85.34 13:00:20 2 14.01 0.29 0.61 0.35 0.07 84.67 13:00:20 3 14.34 0.02 0.50 0.03 0.07 85.05 13:10:01 all 14.49 0.00 0.60 0.03 0.07 84.80 13:10:01 0 14.76 0.00 0.56 0.03 0.07 84.58 13:10:01 1 14.90 0.00 0.66 0.01 0.08 84.36 13:10:01 2 13.80 0.00 0.57 0.01 0.07 85.55 13:10:01 3 14.52 0.00 0.61 0.07 0.06 84.74 13:20:20 all 18.85 0.00 0.66 0.04 0.08 80.37 13:20:20 0 18.62 0.00 0.67 0.04 0.07 80.60 13:20:20 1 19.05 0.00 0.74 0.03 0.09 80.09 13:20:20 2 19.56 0.00 0.66 0.04 0.08 79.66 13:20:20 3 18.16 0.00 0.57 0.07 0.08 81.13 Average: all 19.89 0.02 0.77 0.08 0.08 79.15 Average: 0 20.00 0.01 0.74 0.07 0.07 79.10 Average: 1 20.00 0.00 0.84 0.05 0.08 79.02 Average: 2 19.94 0.07 0.81 0.13 0.08 78.98 Average: 3 19.63 0.00 0.70 0.08 0.08 79.52