---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-867 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: 5600.00 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 665 10375 4 4947 14980 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:08:11:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84407sec preferred_lft 84407sec inet6 fe80::f816:3eff:fe08:11b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:fe:8e:3a:65:48 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-867) 07/31/26 _x86_64_ (4 CPU) 09:39:26 LINUX RESTART (4 CPU) 09:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 48.58 10.18 37.29 1.11 1595.18 5293.40 3225.72 10:00:15 10.12 0.46 8.62 1.04 17.32 2015.42 2094.10 10:10:15 28.02 0.56 23.17 4.30 22.03 3662.11 6098.32 Average: 28.78 3.71 22.93 2.14 541.63 3646.12 3793.55 09:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 10724652 13958656 2002676 12.23 121056 3256132 2464056 14.14 566668 4707816 66680 10:00:15 9627004 13415736 2540140 15.51 149156 3727360 2741512 15.74 717520 5609136 20680 10:10:15 10674624 15381048 568724 3.47 175468 4559376 1109512 6.37 963880 4229856 12 Average: 10342093 14251813 1703847 10.41 148560 3847623 2105027 12.08 749356 4848936 29124 09:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 09:50:01 ens3 139.20 101.85 1192.14 19.21 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:15 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 10:00:15 ens3 59.79 46.77 50.90 16.29 0.00 0.00 0.00 0.00 10:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:15 lo 1919.00 1919.00 1820.98 1820.98 0.00 0.00 0.00 0.00 10:10:15 ens3 83.28 76.45 405.65 104.19 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 635.46 635.46 602.42 602.42 0.00 0.00 0.00 0.00 Average: ens3 93.87 74.84 546.34 46.33 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-867) 07/31/26 _x86_64_ (4 CPU) 09:39:26 LINUX RESTART (4 CPU) 09:40:00 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 29.41 0.00 1.26 0.62 0.07 68.64 09:50:01 0 27.08 0.00 1.18 0.23 0.06 71.45 09:50:01 1 29.65 0.00 1.03 0.44 0.07 68.82 09:50:01 2 31.48 0.00 1.67 1.34 0.07 65.43 09:50:01 3 29.45 0.00 1.17 0.46 0.07 68.86 10:00:15 all 67.22 0.00 2.10 3.13 0.13 27.41 10:00:15 0 62.74 0.00 1.73 6.14 0.13 29.26 10:00:15 1 68.14 0.00 2.22 0.15 0.13 29.36 10:00:15 2 68.44 0.00 2.32 5.88 0.13 23.23 10:00:15 3 69.59 0.00 2.13 0.34 0.13 27.80 10:10:15 all 44.28 0.00 2.31 1.85 0.12 51.44 10:10:15 0 45.45 0.00 2.28 0.95 0.12 51.20 10:10:15 1 44.08 0.00 2.38 1.12 0.12 52.30 10:10:15 2 46.56 0.00 2.47 1.84 0.13 49.00 10:10:15 3 40.99 0.00 2.09 3.51 0.12 53.28 Average: all 47.10 0.00 1.89 1.88 0.11 49.03 Average: 0 45.20 0.00 1.73 2.47 0.10 50.51 Average: 1 47.42 0.00 1.88 0.57 0.11 50.03 Average: 2 48.96 0.00 2.15 3.04 0.11 45.74 Average: 3 46.83 0.00 1.80 1.42 0.11 49.84