---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-482089 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 630 8989 4 6369 15016 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:49:a5:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84534sec preferred_lft 84534sec inet6 fe80::f816:3eff:fe49:a5e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:1d:ec:c0:0d:0f 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 inet6 fe80::2c1d:ecff:fec0:d0f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-482089) 03/15/26 _x86_64_ (4 CPU) 15:45:39 LINUX RESTART (4 CPU) 15:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:06 29.55 0.20 26.26 3.09 8.00 3855.16 29508.72 16:10:06 24.78 0.06 21.69 3.03 1.96 5991.42 35132.64 Average: 27.17 0.13 23.98 3.06 4.98 4923.28 32320.66 15:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:06 9815372 13597064 2358224 14.40 163000 3693248 2663080 15.29 766768 5352808 15448 16:10:06 7502276 12522156 3426928 20.93 188124 4842944 3690204 21.18 936428 7425436 60036 Average: 8658824 13059610 2892576 17.67 175562 4268096 3176642 18.23 851598 6389122 37742 15:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:06 lo 1529.09 1529.09 1457.97 1457.97 0.00 0.00 0.00 0.00 16:00:06 ens3 32.43 28.08 92.47 8.33 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:06 lo 598.28 598.28 569.33 569.33 0.00 0.00 0.00 0.00 16:10:06 ens3 50.47 42.50 233.99 16.23 0.00 0.00 0.00 0.00 16:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1063.69 1063.69 1013.65 1013.65 0.00 0.00 0.00 0.00 Average: ens3 41.45 35.29 163.23 12.28 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-482089) 03/15/26 _x86_64_ (4 CPU) 15:45:39 LINUX RESTART (4 CPU) 15:50:06 CPU %user %nice %system %iowait %steal %idle 16:00:06 all 64.96 0.00 2.42 0.05 0.10 32.47 16:00:06 0 65.47 0.00 2.26 0.04 0.10 32.13 16:00:06 1 63.80 0.00 2.63 0.12 0.10 33.35 16:00:06 2 66.02 0.00 2.37 0.03 0.10 31.48 16:00:06 3 64.53 0.00 2.44 0.03 0.10 32.91 16:10:06 all 59.55 0.00 2.10 0.05 0.10 38.21 16:10:06 0 59.68 0.00 2.05 0.04 0.10 38.14 16:10:06 1 60.29 0.00 2.29 0.07 0.10 37.24 16:10:06 2 59.72 0.00 2.06 0.05 0.09 38.08 16:10:06 3 58.51 0.00 2.00 0.04 0.10 39.35 Average: all 62.25 0.00 2.26 0.05 0.10 35.34 Average: 0 62.57 0.00 2.15 0.04 0.10 35.14 Average: 1 62.05 0.00 2.46 0.09 0.10 35.30 Average: 2 62.87 0.00 2.21 0.04 0.10 34.78 Average: 3 61.52 0.00 2.22 0.03 0.10 36.13