---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-27525 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 17G 61G 22% / 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 699 11382 3 3907 14946 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:e6:5f:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fee6:5fe5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ca:3d:24:90:96 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::e8ca:3dff:fe24:9096/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-27525) 06/15/26 _x86_64_ (4 CPU) 05:18:29 LINUX RESTART (4 CPU) 05:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:08 151.53 28.12 117.10 6.31 1180.11 39736.26 14177.00 05:40:19 11.30 2.54 8.24 0.52 49.49 279.18 465.07 Average: 81.23 15.29 62.52 3.41 613.27 19954.32 7302.47 05:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:08 169568 5132772 10792888 65.92 262744 4569416 13701728 78.65 2035132 13472408 268 05:40:19 7502204 11045628 4888188 29.86 263068 3237456 5589720 32.08 2025828 6256400 204 Average: 3835886 8089200 7840538 47.89 262906 3903436 9645724 55.37 2030480 9864404 236 05:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:08 lo 5.09 5.09 5.24 5.24 0.00 0.00 0.00 0.00 05:30:08 ens3 163.81 118.02 2017.89 12.71 0.00 0.00 0.00 0.00 05:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:19 lo 15.44 15.44 10.96 10.96 0.00 0.00 0.00 0.00 05:40:19 ens3 0.71 0.48 0.15 0.14 0.00 0.00 0.00 0.00 05:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.28 10.28 8.11 8.11 0.00 0.00 0.00 0.00 Average: ens3 82.04 59.09 1006.29 6.41 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-27525) 06/15/26 _x86_64_ (4 CPU) 05:18:29 LINUX RESTART (4 CPU) 05:20:00 CPU %user %nice %system %iowait %steal %idle 05:30:08 all 53.85 0.00 2.94 0.56 0.10 42.55 05:30:08 0 55.38 0.00 3.19 0.59 0.10 40.74 05:30:08 1 55.48 0.00 2.84 0.53 0.10 41.05 05:30:08 2 50.91 0.00 3.25 0.60 0.09 45.15 05:30:08 3 53.61 0.00 2.49 0.53 0.09 43.27 05:40:19 all 14.01 0.00 0.67 0.03 0.07 85.22 05:40:19 0 13.53 0.00 0.65 0.03 0.07 85.72 05:40:19 1 14.13 0.00 0.73 0.02 0.07 85.05 05:40:19 2 14.54 0.00 0.61 0.03 0.07 84.76 05:40:19 3 13.86 0.00 0.69 0.04 0.07 85.34 Average: all 33.87 0.00 1.80 0.30 0.08 63.94 Average: 0 34.42 0.00 1.92 0.31 0.08 63.27 Average: 1 34.73 0.00 1.78 0.27 0.09 63.12 Average: 2 32.66 0.00 1.93 0.31 0.08 65.02 Average: 3 33.68 0.00 1.59 0.29 0.08 64.37