---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15643 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 15% / 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 684 9218 4 6086 14961 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:19:b2:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fe19:b298/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:1b:5c:2a:80:26 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-15643) 05/16/26 _x86_64_ (4 CPU) 01:06:19 LINUX RESTART (4 CPU) 01:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 36.16 0.75 18.92 16.49 421.26 2911.92 317849.96 01:30:08 25.13 0.16 21.60 3.37 4.88 1966.60 25455.30 Average: 30.58 0.45 20.27 9.85 210.75 2434.00 170025.54 01:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9453112 13113812 2844616 17.37 131620 3648504 3100528 17.80 817848 5706152 480 01:30:08 8786136 12885704 3068936 18.74 153044 4034156 3264468 18.74 962912 6204040 30772 Average: 9119624 12999758 2956776 18.06 142332 3841330 3182498 18.27 890380 5955096 15626 01:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 32.51 32.51 7.48 7.48 0.00 0.00 0.00 0.00 01:20:01 ens3 23.25 17.36 145.21 4.95 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:08 lo 1405.21 1405.21 1316.43 1316.43 0.00 0.00 0.00 0.00 01:30:08 ens3 49.66 37.28 265.02 9.86 0.00 0.00 0.00 0.00 01:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 726.50 726.50 669.24 669.24 0.00 0.00 0.00 0.00 Average: ens3 36.60 27.43 205.78 7.43 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-15643) 05/16/26 _x86_64_ (4 CPU) 01:06:19 LINUX RESTART (4 CPU) 01:10:08 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 32.22 0.00 1.15 0.18 0.09 66.36 01:20:01 0 31.76 0.00 1.10 0.18 0.08 66.87 01:20:01 1 33.50 0.00 1.14 0.15 0.09 65.12 01:20:01 2 30.41 0.00 1.21 0.13 0.09 68.17 01:20:01 3 33.21 0.00 1.16 0.26 0.09 65.28 01:30:08 all 36.69 0.00 1.79 0.06 0.10 61.36 01:30:08 0 36.48 0.00 1.98 0.11 0.09 61.35 01:30:08 1 36.87 0.00 1.70 0.02 0.09 61.31 01:30:08 2 36.69 0.00 1.74 0.03 0.10 61.44 01:30:08 3 36.72 0.00 1.75 0.08 0.10 61.35 Average: all 34.48 0.00 1.48 0.12 0.09 63.83 Average: 0 34.14 0.00 1.54 0.14 0.09 64.08 Average: 1 35.21 0.00 1.43 0.09 0.09 63.19 Average: 2 33.58 0.00 1.48 0.08 0.10 64.77 Average: 3 34.98 0.00 1.46 0.17 0.09 63.30