---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6396 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 67G 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 678 9450 4 5860 14968 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:d8:3d:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84509sec preferred_lft 84509sec inet6 fe80::f816:3eff:fed8:3d50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:4b:a6:18:7b:a4 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-6396) 04/22/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 22.45 0.69 18.77 2.98 25.56 3287.30 66587.93 01:30:05 21.20 0.16 18.07 2.97 4.84 1668.34 23047.58 Average: 21.82 0.42 18.42 2.98 15.12 2471.55 44649.03 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9562092 12988836 2970588 18.14 129328 3420004 3233688 18.56 674076 5747116 156 01:30:05 9039072 12938716 3017172 18.43 150508 3840396 3287596 18.87 809652 6107728 107424 Average: 9300582 12963776 2993880 18.29 139918 3630200 3260642 18.72 741864 5927422 53790 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 25.57 25.57 5.87 5.87 0.00 0.00 0.00 0.00 01:20:01 ens3 30.36 24.93 144.27 6.65 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 01:30:05 lo 1342.32 1342.32 1251.59 1251.59 0.00 0.00 0.00 0.00 01:30:05 ens3 41.49 29.59 263.33 7.35 0.00 0.00 0.00 0.00 01:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 689.05 689.05 633.56 633.56 0.00 0.00 0.00 0.00 Average: ens3 35.97 27.28 204.26 7.00 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-6396) 04/22/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 37.83 0.00 1.38 0.12 0.09 60.58 01:20:01 0 37.78 0.00 1.42 0.08 0.09 60.64 01:20:01 1 36.80 0.00 1.51 0.26 0.09 61.34 01:20:01 2 38.16 0.00 1.44 0.12 0.09 60.19 01:20:01 3 38.60 0.00 1.14 0.04 0.09 60.13 01:30:05 all 30.39 0.00 1.75 0.07 0.09 67.70 01:30:05 0 31.15 0.00 1.61 0.12 0.09 67.04 01:30:05 1 28.68 0.00 1.84 0.03 0.09 69.37 01:30:05 2 30.33 0.00 1.74 0.04 0.09 67.79 01:30:05 3 31.39 0.00 1.82 0.10 0.09 66.60 Average: all 34.08 0.00 1.57 0.10 0.09 64.16 Average: 0 34.44 0.00 1.51 0.10 0.09 63.86 Average: 1 32.71 0.00 1.68 0.14 0.09 65.38 Average: 2 34.22 0.00 1.59 0.08 0.09 64.02 Average: 3 34.97 0.00 1.49 0.07 0.09 63.39