---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30526 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 68G 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 679 10492 4 4817 14967 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:01:cb:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84829sec preferred_lft 84829sec inet6 fe80::f816:3eff:fe01:cba7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:9e:f1:f7:0d:0d 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-30526) 06/25/26 _x86_64_ (4 CPU) 16:58:59 LINUX RESTART (4 CPU) 17:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:40 20.68 2.91 16.52 1.24 166.22 4467.34 2532.87 17:20:01 29.02 0.72 24.63 3.67 23.00 4281.27 4928.26 Average: 24.68 1.86 20.41 2.41 97.55 4378.13 3681.30 17:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:40 10122200 13522988 2436296 14.88 139504 3377332 2843932 16.32 574616 5291876 18240 17:20:01 8378120 12844240 3107020 18.98 167440 4338524 3589580 20.60 860264 6663644 2112 Average: 9250160 13183614 2771658 16.93 153472 3857928 3216756 18.46 717440 5977760 10176 17:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:40 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 17:10:40 ens3 126.84 95.84 732.48 22.26 0.00 0.00 0.00 0.00 17:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 1651.65 1651.65 1574.53 1574.53 0.00 0.00 0.00 0.00 17:20:01 ens3 91.89 71.40 456.50 18.40 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 792.54 792.54 754.95 754.95 0.00 0.00 0.00 0.00 Average: ens3 110.08 84.12 600.17 20.41 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-4g-30526) 06/25/26 _x86_64_ (4 CPU) 16:58:59 LINUX RESTART (4 CPU) 17:00:31 CPU %user %nice %system %iowait %steal %idle 17:10:40 all 61.41 0.00 2.15 4.02 0.10 32.32 17:10:40 0 61.84 0.00 2.33 6.89 0.10 28.84 17:10:40 1 64.12 0.00 2.07 4.89 0.10 28.81 17:10:40 2 58.34 0.00 1.86 4.12 0.10 35.59 17:10:40 3 61.35 0.00 2.32 0.18 0.10 36.05 17:20:01 all 67.25 0.00 2.72 1.01 0.12 28.89 17:20:01 0 66.52 0.00 2.71 0.74 0.12 29.90 17:20:01 1 67.18 0.00 2.75 0.92 0.12 29.03 17:20:01 2 66.04 0.00 2.76 1.92 0.12 29.15 17:20:01 3 69.27 0.00 2.67 0.47 0.12 27.48 Average: all 64.22 0.00 2.42 2.58 0.11 30.67 Average: 0 64.08 0.00 2.51 3.94 0.11 29.35 Average: 1 65.59 0.00 2.40 2.99 0.11 28.92 Average: 2 62.04 0.00 2.29 3.06 0.11 32.50 Average: 3 65.15 0.00 2.49 0.32 0.11 31.93