---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19551 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 12G 67G 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 730 9542 4 5715 14916 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:f9:32:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84656sec preferred_lft 84656sec inet6 fe80::f816:3eff:fef9:32d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:8c:29:d4:b6:63 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-19551) 05/24/26 _x86_64_ (4 CPU) 06:26:19 LINUX RESTART (4 CPU) 06:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 29.75 0.63 26.33 2.80 23.74 4275.52 6436.72 06:50:03 43.59 0.06 26.42 17.12 1.82 5801.22 246738.72 Average: 36.60 0.35 26.37 9.88 12.90 5029.88 125251.17 06:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 8744508 12811620 3142076 19.19 161868 3977916 3283972 18.85 781408 6406584 172412 06:50:03 7875784 13108492 2839624 17.34 194004 5049792 2950996 16.94 1042476 6927944 25656 Average: 8310146 12960056 2990850 18.27 177936 4513854 3117484 17.89 911942 6667264 99034 06:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 1187.31 1187.31 1131.50 1131.50 0.00 0.00 0.00 0.00 06:40:10 ens3 75.66 51.87 411.82 14.88 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:03 lo 1047.49 1047.49 997.69 997.69 0.00 0.00 0.00 0.00 06:50:03 ens3 57.67 41.91 216.38 13.09 0.00 0.00 0.00 0.00 06:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1118.18 1118.18 1065.34 1065.34 0.00 0.00 0.00 0.00 Average: ens3 66.76 46.95 315.19 14.00 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-19551) 05/24/26 _x86_64_ (4 CPU) 06:26:19 LINUX RESTART (4 CPU) 06:30:04 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 64.54 0.00 2.40 0.09 0.11 32.86 06:40:10 0 64.15 0.00 2.24 0.10 0.11 33.40 06:40:10 1 63.55 0.00 2.61 0.08 0.11 33.65 06:40:10 2 65.74 0.00 2.49 0.12 0.11 31.55 06:40:10 3 64.73 0.00 2.26 0.07 0.11 32.83 06:50:03 all 58.30 0.00 2.23 0.18 0.11 39.18 06:50:03 0 55.89 0.00 2.23 0.26 0.11 41.52 06:50:03 1 58.96 0.00 2.05 0.08 0.11 38.81 06:50:03 2 56.31 0.00 2.22 0.20 0.11 41.15 06:50:03 3 62.05 0.00 2.44 0.17 0.11 35.23 Average: all 61.46 0.00 2.32 0.14 0.11 35.98 Average: 0 60.07 0.00 2.23 0.18 0.11 37.41 Average: 1 61.28 0.00 2.33 0.08 0.11 36.20 Average: 2 61.08 0.00 2.36 0.16 0.11 36.29 Average: 3 63.40 0.00 2.35 0.12 0.11 34.01