---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6197 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 650 10621 4 4716 14995 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:40:d1:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84833sec preferred_lft 84833sec inet6 fe80::f816:3eff:fe40:d102/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:0a:2a:1b:fc:6b 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-6197) 04/21/26 _x86_64_ (4 CPU) 12:08:10 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:00 17.73 2.07 14.65 1.00 132.83 4128.37 2198.79 12:30:01 29.55 0.78 24.36 4.40 24.21 4205.50 11211.37 Average: 23.65 1.43 19.52 2.71 78.45 4166.99 6711.28 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:00 10599148 13928316 2031504 12.41 138068 3312608 2388504 13.71 574220 4815164 33972 12:30:01 10932836 15397404 554676 3.39 170980 4334008 1073304 6.16 891388 4056076 75264 Average: 10765992 14662860 1293090 7.90 154524 3823308 1730904 9.94 732804 4435620 54618 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:00 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 12:20:00 ens3 104.72 83.33 666.20 20.70 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1854.67 1854.67 1768.47 1768.47 0.00 0.00 0.00 0.00 12:30:01 ens3 93.45 68.08 426.85 17.92 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 929.25 929.25 885.52 885.52 0.00 0.00 0.00 0.00 Average: ens3 99.08 75.69 546.36 19.31 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-6197) 04/21/26 _x86_64_ (4 CPU) 12:08:10 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:00 all 69.50 0.00 2.38 0.05 0.10 27.97 12:20:00 0 72.30 0.00 2.35 0.05 0.10 25.20 12:20:00 1 70.83 0.00 2.36 0.04 0.10 26.67 12:20:00 2 70.06 0.00 2.56 0.04 0.10 27.23 12:20:00 3 64.80 0.00 2.25 0.07 0.10 32.77 12:30:01 all 68.27 0.00 3.05 0.06 0.10 28.52 12:30:01 0 68.47 0.00 3.13 0.06 0.11 28.24 12:30:01 1 67.55 0.00 3.24 0.06 0.10 29.05 12:30:01 2 68.81 0.00 3.02 0.04 0.11 28.03 12:30:01 3 68.27 0.00 2.79 0.07 0.11 28.77 Average: all 68.89 0.00 2.71 0.05 0.10 28.24 Average: 0 70.38 0.00 2.74 0.05 0.10 26.72 Average: 1 69.19 0.00 2.80 0.05 0.10 27.86 Average: 2 69.43 0.00 2.79 0.04 0.10 27.63 Average: 3 66.54 0.00 2.52 0.07 0.10 30.77