---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6622 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 13G 66G 16% / 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 670 8501 4 6817 14976 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:18:68:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84103sec preferred_lft 84103sec inet6 fe80::f816:3eff:fe18:686c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:dd:f9:85:cd:6f 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-6622) 04/22/26 _x86_64_ (4 CPU) 08:31:33 LINUX RESTART (4 CPU) 08:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:09 24.32 0.02 21.52 2.78 0.38 2218.02 10940.15 09:00:20 25.70 0.03 23.19 2.48 1.10 4006.28 10936.47 Average: 25.02 0.03 22.37 2.63 0.75 3129.03 10938.28 08:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:09 9266976 13167016 2787988 17.03 150668 3855372 2776120 15.93 814288 5892540 21840 09:00:20 5817600 10710540 5240720 32.01 165496 4789572 5011624 28.77 1102504 8982724 18572 Average: 7542288 11938778 4014354 24.52 158082 4322472 3893872 22.35 958396 7437632 20206 08:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:09 lo 1340.27 1340.27 1270.82 1270.82 0.00 0.00 0.00 0.00 08:50:09 ens3 35.22 28.71 15.53 10.88 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:20 lo 988.32 988.32 961.37 961.37 0.00 0.00 0.00 0.00 09:00:20 ens3 36.15 29.08 46.25 9.70 0.00 0.00 0.00 0.00 09:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1160.97 1160.97 1113.17 1113.17 0.00 0.00 0.00 0.00 Average: ens3 35.70 28.90 31.18 10.28 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6622) 04/22/26 _x86_64_ (4 CPU) 08:31:33 LINUX RESTART (4 CPU) 08:40:20 CPU %user %nice %system %iowait %steal %idle 08:50:09 all 66.56 0.00 2.34 0.05 0.11 30.93 08:50:09 0 65.17 0.00 2.31 0.06 0.11 32.35 08:50:09 1 66.24 0.00 2.58 0.06 0.11 31.00 08:50:09 2 67.44 0.00 2.14 0.05 0.12 30.26 08:50:09 3 67.40 0.00 2.33 0.03 0.12 30.12 09:00:20 all 54.67 0.00 2.19 0.09 0.11 42.94 09:00:20 0 50.40 0.00 2.07 0.11 0.11 47.31 09:00:20 1 54.99 0.00 2.12 0.08 0.11 42.70 09:00:20 2 56.57 0.00 2.23 0.08 0.11 41.00 09:00:20 3 56.73 0.00 2.33 0.09 0.12 40.74 Average: all 60.51 0.00 2.26 0.07 0.11 37.05 Average: 0 57.64 0.00 2.19 0.09 0.11 39.97 Average: 1 60.51 0.00 2.35 0.07 0.11 36.96 Average: 2 61.90 0.00 2.18 0.06 0.11 35.74 Average: 3 61.97 0.00 2.33 0.06 0.12 35.53