---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35212 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 705 10402 4 4881 14941 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:44:18:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84536sec preferred_lft 84536sec inet6 fe80::f816:3eff:fe44:187d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e0:0f:16:dc:b6 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-35212) 07/12/26 _x86_64_ (4 CPU) 21:02:20 LINUX RESTART (4 CPU) 21:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:11 11.10 0.45 9.50 1.16 17.73 2207.23 2218.37 21:30:11 26.00 0.56 21.35 4.09 21.63 3461.14 4189.72 Average: 18.49 0.50 15.37 2.61 19.66 2828.81 3195.59 21:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:11 9825480 13574672 2380776 14.54 150688 3672244 2682512 15.40 694620 5414428 20512 21:30:11 10761536 15400020 550356 3.36 175968 4479216 1119956 6.43 934700 4169372 26568 Average: 10293508 14487346 1465566 8.95 163328 4075730 1901234 10.91 814660 4791900 23540 21:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:11 lo 1.47 1.47 0.15 0.15 0.00 0.00 0.00 0.00 21:20:11 ens3 67.15 54.16 101.35 18.11 0.00 0.00 0.00 0.00 21:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:11 lo 1758.63 1758.63 1675.09 1675.09 0.00 0.00 0.00 0.00 21:30:11 ens3 65.83 49.62 390.12 30.91 0.00 0.00 0.00 0.00 21:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 872.52 872.52 830.44 830.44 0.00 0.00 0.00 0.00 Average: ens3 66.49 51.91 244.50 24.46 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-35212) 07/12/26 _x86_64_ (4 CPU) 21:02:20 LINUX RESTART (4 CPU) 21:10:01 CPU %user %nice %system %iowait %steal %idle 21:20:11 all 72.35 0.00 2.23 0.03 0.11 25.29 21:20:11 0 70.87 0.00 2.29 0.04 0.11 26.69 21:20:11 1 69.89 0.00 2.32 0.03 0.11 27.65 21:20:11 2 74.71 0.00 2.12 0.01 0.11 23.04 21:20:11 3 73.91 0.00 2.20 0.02 0.11 23.77 21:30:11 all 34.64 0.00 1.73 0.06 0.06 63.50 21:30:11 0 36.31 0.00 1.66 0.08 0.06 61.89 21:30:11 1 34.67 0.00 1.97 0.07 0.07 63.22 21:30:11 2 34.43 0.00 1.58 0.06 0.07 63.86 21:30:11 3 33.16 0.00 1.71 0.05 0.06 65.03 Average: all 53.65 0.00 1.98 0.04 0.09 44.24 Average: 0 53.74 0.00 1.98 0.06 0.08 44.14 Average: 1 52.42 0.00 2.15 0.05 0.09 45.29 Average: 2 54.73 0.00 1.85 0.04 0.09 43.29 Average: 3 53.70 0.00 1.95 0.03 0.08 44.23