---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11725 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 68G 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 689 10473 4 4825 14957 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:ad:df:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84261sec preferred_lft 84261sec inet6 fe80::f816:3eff:fead:df94/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:b6:93:b0:2c:1e 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-11725) 05/07/26 _x86_64_ (4 CPU) 11:21:50 LINUX RESTART (4 CPU) 11:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:05 11.04 0.48 9.39 1.16 18.32 2217.92 2198.84 11:50:05 27.34 0.71 22.51 4.12 23.89 3611.31 4473.75 Average: 19.19 0.60 15.95 2.64 21.11 2914.63 3336.31 11:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:05 9622908 13294296 2661920 16.26 150124 3614820 3086476 17.72 682856 5655948 29472 11:50:05 10778168 15354836 595760 3.64 176780 4437040 1110008 6.37 927620 4170440 248 Average: 10200538 14324566 1628840 9.95 163452 4025930 2098242 12.04 805238 4913194 14860 11:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:05 lo 1.47 1.47 0.15 0.15 0.00 0.00 0.00 0.00 11:40:05 ens3 79.24 60.13 103.19 19.16 0.00 0.00 0.00 0.00 11:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:05 lo 1680.22 1680.22 1596.01 1596.01 0.00 0.00 0.00 0.00 11:50:05 ens3 84.09 69.04 398.95 78.08 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 840.86 840.86 798.09 798.09 0.00 0.00 0.00 0.00 Average: ens3 81.67 64.59 251.08 48.62 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-11725) 05/07/26 _x86_64_ (4 CPU) 11:21:50 LINUX RESTART (4 CPU) 11:30:05 CPU %user %nice %system %iowait %steal %idle 11:40:05 all 71.72 0.00 2.30 0.05 0.09 25.84 11:40:05 0 70.13 0.00 2.08 0.05 0.09 27.65 11:40:05 1 69.62 0.00 2.32 0.03 0.09 27.94 11:40:05 2 72.28 0.00 2.20 0.09 0.09 25.34 11:40:05 3 74.86 0.00 2.60 0.03 0.09 22.42 11:50:05 all 37.29 0.00 1.98 0.07 0.07 60.60 11:50:05 0 39.76 0.00 1.74 0.09 0.07 58.35 11:50:05 1 36.90 0.00 2.13 0.10 0.07 60.79 11:50:05 2 39.13 0.00 2.28 0.05 0.07 58.47 11:50:05 3 33.35 0.00 1.76 0.06 0.06 64.77 Average: all 54.50 0.00 2.14 0.06 0.08 43.22 Average: 0 54.96 0.00 1.91 0.07 0.08 42.99 Average: 1 53.26 0.00 2.22 0.07 0.08 44.36 Average: 2 55.71 0.00 2.24 0.07 0.08 41.91 Average: 3 54.08 0.00 2.18 0.04 0.08 43.62