---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39353 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 11G 67G 14% / 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 10252 4 5047 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:89:03:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84517sec preferred_lft 84517sec inet6 fe80::f816:3eff:fe89:37c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:c1:f6:d9:77:e6 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-39353) 07/27/26 _x86_64_ (4 CPU) 13:11:31 LINUX RESTART (4 CPU) 13:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:21 9.95 0.38 8.56 1.01 14.35 2042.19 2622.46 13:40:21 29.69 0.64 24.71 4.34 25.09 4091.61 11988.44 Average: 19.72 0.51 16.56 2.66 19.67 3056.81 7259.35 13:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:21 9991216 13778240 2177960 13.30 147784 3735112 2416780 13.87 716120 5244104 45572 13:40:21 10567228 15376572 572484 3.50 176220 4660040 1105724 6.35 986656 4305456 4 Average: 10279222 14577406 1375222 8.40 162002 4197576 1761252 10.11 851388 4774780 22788 13:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:21 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 13:30:21 ens3 54.73 44.78 91.65 15.69 0.00 0.00 0.00 0.00 13:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:21 lo 1632.82 1632.82 1549.22 1549.22 0.00 0.00 0.00 0.00 13:40:21 ens3 108.20 87.83 415.20 97.70 0.00 0.00 0.00 0.00 13:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 809.05 809.05 767.05 767.05 0.00 0.00 0.00 0.00 Average: ens3 81.20 66.09 251.83 56.29 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-39353) 07/27/26 _x86_64_ (4 CPU) 13:11:31 LINUX RESTART (4 CPU) 13:20:09 CPU %user %nice %system %iowait %steal %idle 13:30:21 all 67.71 0.00 2.22 0.05 0.09 29.93 13:30:21 0 66.81 0.00 1.99 0.02 0.09 31.10 13:30:21 1 67.94 0.00 2.50 0.02 0.09 29.45 13:30:21 2 68.10 0.00 2.03 0.05 0.09 29.74 13:30:21 3 68.01 0.00 2.35 0.11 0.09 29.45 13:40:21 all 54.03 0.00 2.29 0.08 0.08 43.51 13:40:21 0 52.78 0.00 2.11 0.05 0.08 44.98 13:40:21 1 52.31 0.00 2.31 0.11 0.08 45.19 13:40:21 2 55.66 0.00 2.44 0.10 0.09 41.71 13:40:21 3 55.40 0.00 2.30 0.05 0.08 42.16 Average: all 60.94 0.00 2.25 0.06 0.09 36.66 Average: 0 59.86 0.00 2.05 0.03 0.09 37.97 Average: 1 60.19 0.00 2.40 0.07 0.08 37.26 Average: 2 61.93 0.00 2.23 0.07 0.09 35.67 Average: 3 61.76 0.00 2.33 0.08 0.09 35.75