---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9551 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 12G 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 656 8766 4 6566 14990 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:6c:4f:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84262sec preferred_lft 84262sec inet6 fe80::f816:3eff:fe6c:4ffb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:3e:72:2d:5f:f0 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-9551) 04/29/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.33 0.06 19.51 2.76 6.35 2115.70 5501.82 05:50:10 30.14 0.03 27.09 3.02 0.43 4307.41 8160.28 Average: 26.29 0.04 23.35 2.89 3.35 3225.99 6848.56 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8979800 12818188 3138612 19.17 147048 3802716 3152444 18.09 849080 6141416 23948 05:50:10 7340924 12164204 3788264 23.14 163472 4726532 3670880 21.07 1117780 7462528 480 Average: 8160362 12491196 3463438 21.15 155260 4264624 3411662 19.58 983430 6801972 12214 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1336.96 1336.96 1267.70 1267.70 0.00 0.00 0.00 0.00 05:40:01 ens3 40.69 34.52 25.35 11.81 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:10 lo 1272.48 1272.48 1207.57 1207.57 0.00 0.00 0.00 0.00 05:50:10 ens3 38.67 31.84 38.79 11.67 0.00 0.00 0.00 0.00 05:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1304.29 1304.29 1237.24 1237.24 0.00 0.00 0.00 0.00 Average: ens3 39.67 33.16 32.16 11.73 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-9551) 04/29/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 67.07 0.00 2.28 0.04 0.10 30.50 05:40:01 0 66.47 0.00 2.04 0.02 0.10 31.38 05:40:01 1 66.28 0.00 2.34 0.08 0.10 31.21 05:40:01 2 66.61 0.00 2.26 0.03 0.10 31.01 05:40:01 3 68.93 0.00 2.50 0.04 0.10 28.43 05:50:10 all 55.90 0.00 2.24 0.09 0.09 41.67 05:50:10 0 55.52 0.00 2.25 0.09 0.09 42.05 05:50:10 1 56.22 0.00 2.08 0.05 0.09 41.56 05:50:10 2 58.23 0.00 2.38 0.04 0.09 39.26 05:50:10 3 53.63 0.00 2.26 0.19 0.09 43.83 Average: all 61.42 0.00 2.26 0.07 0.09 36.16 Average: 0 60.92 0.00 2.15 0.06 0.09 36.78 Average: 1 61.18 0.00 2.21 0.07 0.09 36.45 Average: 2 62.37 0.00 2.32 0.03 0.09 35.19 Average: 3 61.19 0.00 2.38 0.12 0.09 36.22