---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23979 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 688 9269 4 6031 14958 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:4c:be:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe4c:bed9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f7:12:f4:4e:9d 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-23979) 06/05/26 _x86_64_ (4 CPU) 10:30:39 LINUX RESTART (4 CPU) 10:40:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:24 9.22 0.15 7.72 1.34 4.68 683.36 28079.49 11:00:24 35.54 0.45 30.49 4.61 15.20 8031.36 7344.32 Average: 22.38 0.30 19.10 2.97 9.94 4357.36 17711.91 10:40:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:24 9236120 13242108 2713232 16.57 147084 3947632 3002948 17.24 757304 5945424 313024 11:00:24 9541128 15359892 585544 3.58 174392 5652104 1091292 6.26 1598316 4697532 172 Average: 9388624 14301000 1649388 10.07 160738 4799868 2047120 11.75 1177810 5321478 156598 10:40:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:24 lo 143.15 143.15 100.90 100.90 0.00 0.00 0.00 0.00 10:50:24 ens3 29.63 18.65 235.71 3.99 0.00 0.00 0.00 0.00 10:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:24 lo 2265.68 2265.68 2180.06 2180.06 0.00 0.00 0.00 0.00 11:00:24 ens3 91.86 90.08 248.34 640.92 0.00 0.00 0.00 0.00 11:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1204.41 1204.41 1140.48 1140.48 0.00 0.00 0.00 0.00 Average: ens3 60.75 54.36 242.03 322.46 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-23979) 06/05/26 _x86_64_ (4 CPU) 10:30:39 LINUX RESTART (4 CPU) 10:40:24 CPU %user %nice %system %iowait %steal %idle 10:50:24 all 18.92 0.00 0.88 0.04 0.08 80.09 10:50:24 0 19.36 0.00 0.84 0.02 0.07 79.71 10:50:24 1 19.40 0.00 0.86 0.08 0.08 79.58 10:50:24 2 17.44 0.00 0.90 0.03 0.08 81.56 10:50:24 3 19.46 0.00 0.93 0.02 0.08 79.51 11:00:24 all 48.69 0.00 2.61 0.11 0.13 48.46 11:00:24 0 45.08 0.00 2.59 0.25 0.15 51.93 11:00:24 1 49.17 0.00 2.27 0.07 0.11 48.38 11:00:24 2 52.28 0.00 3.03 0.06 0.15 44.48 11:00:24 3 48.25 0.00 2.54 0.07 0.11 49.03 Average: all 33.79 0.00 1.74 0.08 0.10 64.29 Average: 0 32.23 0.00 1.71 0.14 0.11 65.81 Average: 1 34.28 0.00 1.56 0.08 0.09 63.99 Average: 2 34.85 0.00 1.96 0.04 0.11 63.04 Average: 3 33.82 0.00 1.73 0.04 0.09 64.32