---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37218 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 661 8599 4 6728 14985 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:56:5e:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84175sec preferred_lft 84175sec inet6 fe80::f816:3eff:fe56:5e0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:0a:3d:f8:4d:06 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37218) 03/25/26 _x86_64_ (4 CPU) 09:32:39 LINUX RESTART (4 CPU) 09:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:10 23.04 0.02 20.37 2.64 0.33 1909.05 16835.63 10:00:10 27.23 0.02 23.80 3.40 0.35 4561.52 38714.97 Average: 25.13 0.02 22.09 3.02 0.34 3235.29 27775.30 09:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:10 9486848 13327768 2628076 16.05 146376 3805220 2707956 15.54 844580 5628664 11756 10:00:10 7755736 12546696 3405480 20.80 162608 4697996 3305204 18.97 1109764 7054672 5888 Average: 8621292 12937232 3016778 18.43 154492 4251608 3006580 17.26 977172 6341668 8822 09:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:10 lo 1435.37 1435.37 1363.22 1363.22 0.00 0.00 0.00 0.00 09:50:10 ens3 23.82 18.94 10.57 6.63 0.00 0.00 0.00 0.00 09:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:10 lo 1156.93 1156.93 1098.90 1098.90 0.00 0.00 0.00 0.00 10:00:10 ens3 24.90 20.93 43.29 6.55 0.00 0.00 0.00 0.00 10:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1296.15 1296.15 1231.06 1231.06 0.00 0.00 0.00 0.00 Average: ens3 24.36 19.93 26.93 6.59 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37218) 03/25/26 _x86_64_ (4 CPU) 09:32:39 LINUX RESTART (4 CPU) 09:40:10 CPU %user %nice %system %iowait %steal %idle 09:50:10 all 63.68 0.00 2.35 2.06 0.14 31.77 09:50:10 0 63.33 0.00 2.41 1.52 0.14 32.61 09:50:10 1 64.77 0.00 2.10 4.24 0.14 28.75 09:50:10 2 63.26 0.00 2.28 0.78 0.14 33.54 09:50:10 3 63.37 0.00 2.60 1.72 0.14 32.16 10:00:10 all 52.34 0.00 2.23 4.86 0.14 40.44 10:00:10 0 52.69 0.00 2.22 4.36 0.14 40.59 10:00:10 1 51.77 0.00 2.15 7.24 0.14 38.71 10:00:10 2 53.20 0.00 2.24 5.68 0.14 38.74 10:00:10 3 51.68 0.00 2.29 2.18 0.14 43.71 Average: all 58.01 0.00 2.29 3.46 0.14 36.10 Average: 0 58.00 0.00 2.31 2.94 0.14 36.61 Average: 1 58.27 0.00 2.12 5.74 0.14 33.73 Average: 2 58.24 0.00 2.26 3.23 0.14 36.13 Average: 3 57.53 0.00 2.45 1.95 0.14 37.94