---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6520 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 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 654 8738 4 6596 14992 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:79:88:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe79:8807/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:5c:ea:bb:e6:bc 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-6520) 04/22/26 _x86_64_ (4 CPU) 07:11:10 LINUX RESTART (4 CPU) 07:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:00 22.10 0.06 19.46 2.58 6.34 2152.68 9163.94 07:40:00 29.91 0.03 26.95 2.93 0.71 4374.22 13122.11 Average: 26.00 0.05 23.20 2.75 3.52 3263.26 11142.69 07:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:00 9656780 13304148 2653732 16.21 145392 3614048 2689428 15.44 717112 5609708 21408 07:40:00 7825192 12481728 3471468 21.20 167852 4555536 3337216 19.16 1001568 7083312 468 Average: 8740986 12892938 3062600 18.71 156622 4084792 3013322 17.30 859340 6346510 10938 07:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:00 lo 1160.56 1160.56 1099.07 1099.07 0.00 0.00 0.00 0.00 07:30:00 ens3 41.14 32.53 25.29 11.92 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 1180.11 1180.11 1117.58 1117.58 0.00 0.00 0.00 0.00 07:40:00 ens3 41.17 31.96 48.78 11.27 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1170.33 1170.33 1108.32 1108.32 0.00 0.00 0.00 0.00 Average: ens3 41.15 32.24 37.03 11.59 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6520) 04/22/26 _x86_64_ (4 CPU) 07:11:10 LINUX RESTART (4 CPU) 07:20:00 CPU %user %nice %system %iowait %steal %idle 07:30:00 all 67.30 0.00 2.27 0.05 0.09 30.29 07:30:00 0 67.23 0.00 2.24 0.04 0.08 30.41 07:30:00 1 67.58 0.00 2.07 0.02 0.09 30.24 07:30:00 2 65.85 0.00 2.35 0.09 0.09 31.61 07:30:00 3 68.55 0.00 2.43 0.04 0.09 28.89 07:40:00 all 55.38 0.00 2.24 0.10 0.09 42.20 07:40:00 0 54.80 0.00 2.29 0.06 0.09 42.76 07:40:00 1 54.04 0.00 2.04 0.15 0.08 43.70 07:40:00 2 53.21 0.00 2.20 0.14 0.09 44.36 07:40:00 3 59.46 0.00 2.42 0.06 0.09 37.97 Average: all 61.34 0.00 2.26 0.07 0.09 36.24 Average: 0 61.02 0.00 2.27 0.05 0.09 36.58 Average: 1 60.81 0.00 2.05 0.08 0.09 36.96 Average: 2 59.53 0.00 2.28 0.12 0.09 37.99 Average: 3 64.01 0.00 2.43 0.05 0.09 33.43