---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17328 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 736 9545 4 5706 14909 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:73:97:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84437sec preferred_lft 84437sec inet6 fe80::f816:3eff:fe73:9741/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:30:e4:4f:2e: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-17328) 05/21/26 _x86_64_ (4 CPU) 06:26:33 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 38.41 2.72 20.63 15.06 150.01 4782.84 243782.24 06:50:04 34.11 0.04 30.65 3.42 1.25 3193.23 14499.81 Average: 36.25 1.37 25.66 9.22 75.33 3984.83 128678.85 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9361696 13161608 2793972 17.06 155988 3732084 3034392 17.42 728236 5863992 18628 06:50:04 9050832 13394172 2557324 15.62 182576 4204424 2727832 15.66 876584 5962240 1412 Average: 9206264 13277890 2675648 16.34 169282 3968254 2881112 16.54 802410 5913116 10020 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 621.75 621.75 592.36 592.36 0.00 0.00 0.00 0.00 06:40:01 ens3 108.23 83.68 913.36 16.12 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 1592.84 1592.84 1518.45 1518.45 0.00 0.00 0.00 0.00 06:50:04 ens3 49.50 37.80 117.49 11.74 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1109.25 1109.25 1057.27 1057.27 0.00 0.00 0.00 0.00 Average: ens3 78.75 60.65 513.82 13.92 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-17328) 05/21/26 _x86_64_ (4 CPU) 06:26:33 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 54.40 0.00 1.95 0.08 0.09 43.49 06:40:01 0 54.39 0.00 2.06 0.13 0.08 43.33 06:40:01 1 55.60 0.00 1.71 0.05 0.09 42.55 06:40:01 2 52.43 0.00 2.01 0.05 0.09 45.42 06:40:01 3 55.16 0.00 2.01 0.09 0.09 42.64 06:50:04 all 58.25 0.00 2.48 0.13 0.12 39.02 06:50:04 0 54.60 0.00 2.34 0.12 0.12 42.82 06:50:04 1 60.56 0.00 2.74 0.10 0.12 36.48 06:50:04 2 57.50 0.00 2.53 0.23 0.11 39.61 06:50:04 3 60.35 0.00 2.31 0.05 0.12 37.17 Average: all 56.33 0.00 2.22 0.11 0.10 41.25 Average: 0 54.50 0.00 2.20 0.13 0.10 43.08 Average: 1 58.09 0.00 2.23 0.08 0.10 39.51 Average: 2 54.97 0.00 2.27 0.14 0.10 42.51 Average: 3 57.76 0.00 2.16 0.07 0.10 39.90