---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26424 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 10G 68G 13% / 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 722 10762 4 4504 14924 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:81:4b:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84687sec preferred_lft 84687sec inet6 fe80::f816:3eff:fe81:4b14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:59:80:3c:e7:cf 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-26424) 06/10/26 _x86_64_ (4 CPU) 08:48:00 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 32.62 2.80 25.60 4.22 349.81 4276.28 18474.02 09:10:11 43.50 0.30 36.14 7.06 11.81 4267.88 21294.93 Average: 38.10 1.54 30.91 5.65 179.35 4272.04 19896.71 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 10499836 13901164 2058752 12.57 141532 3393516 2503672 14.37 584612 4922132 88216 09:10:11 11128628 15377604 576104 3.52 201524 4101444 1104672 6.34 848412 3923208 27120 Average: 10814232 14639384 1317428 8.05 171528 3747480 1804172 10.36 716512 4422670 57668 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 2318.80 2318.80 2210.95 2210.95 0.00 0.00 0.00 0.00 09:00:01 ens3 109.08 84.24 886.17 17.41 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 3839.08 3839.08 3658.41 3658.41 0.00 0.00 0.00 0.00 09:10:11 ens3 87.61 70.00 104.11 26.95 0.00 0.00 0.00 0.00 09:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3085.54 3085.54 2940.96 2940.96 0.00 0.00 0.00 0.00 Average: ens3 98.25 77.05 491.75 22.22 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-26424) 06/10/26 _x86_64_ (4 CPU) 08:48:00 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 43.39 0.00 2.57 0.38 0.12 53.55 09:00:01 0 42.97 0.00 2.52 0.51 0.11 53.89 09:00:01 1 43.94 0.00 2.54 0.26 0.12 53.14 09:00:01 2 42.90 0.00 2.87 0.47 0.12 53.64 09:00:01 3 43.73 0.00 2.33 0.29 0.11 53.53 09:10:11 all 61.98 0.00 3.87 0.13 0.17 33.84 09:10:11 0 61.92 0.00 3.54 0.12 0.16 34.25 09:10:11 1 62.70 0.00 4.38 0.22 0.17 32.52 09:10:11 2 62.76 0.00 3.98 0.13 0.17 32.96 09:10:11 3 60.53 0.00 3.59 0.06 0.18 35.64 Average: all 52.76 0.00 3.23 0.26 0.14 43.62 Average: 0 52.53 0.00 3.04 0.31 0.14 43.99 Average: 1 53.39 0.00 3.47 0.24 0.15 42.75 Average: 2 52.92 0.00 3.43 0.30 0.15 43.21 Average: 3 52.19 0.00 2.97 0.17 0.15 44.52