---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32606 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 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 673 8824 4 6491 14972 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:40:35:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84144sec preferred_lft 84144sec inet6 fe80::f816:3eff:fe40:350c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:12:12:b4:0c:ee 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-32606) 07/03/26 _x86_64_ (4 CPU) 09:08:21 LINUX RESTART (4 CPU) 09:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:09 27.65 3.83 21.80 2.03 196.32 4712.58 3098.40 09:30:09 26.59 0.02 23.52 3.05 0.21 2255.00 21620.04 09:40:01 33.74 12.07 19.72 1.96 133.73 3857.45 14490.22 Average: 29.30 5.27 21.69 2.34 110.35 3611.96 13019.48 09:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:09 10285948 13717704 2242044 13.69 130316 3433864 2389296 13.71 621256 5090080 27364 09:30:09 8766268 12609656 3346696 20.44 149264 3791228 3362832 19.30 739892 6446928 28560 09:40:01 5246940 10024104 5928116 36.21 163504 4661368 5537564 31.79 1029596 9608636 188 Average: 8099719 12117155 3838952 23.45 147695 3962153 3763231 21.60 796915 7048548 18704 09:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:09 lo 955.79 955.79 903.82 903.82 0.00 0.00 0.00 0.00 09:20:09 ens3 122.65 93.04 1050.76 18.15 0.00 0.00 0.00 0.00 09:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:09 lo 1466.44 1466.44 1396.51 1396.51 0.00 0.00 0.00 0.00 09:30:09 ens3 42.30 33.73 19.99 11.55 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 847.62 847.62 5339.29 5339.29 0.00 0.00 0.00 0.00 09:40:01 ens3 31.50 24.30 34.36 12.47 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1090.51 1090.51 2526.16 2526.16 0.00 0.00 0.00 0.00 Average: ens3 65.89 50.66 372.92 14.08 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-32606) 07/03/26 _x86_64_ (4 CPU) 09:08:21 LINUX RESTART (4 CPU) 09:10:01 CPU %user %nice %system %iowait %steal %idle 09:20:09 all 45.98 0.00 1.84 0.41 0.08 51.69 09:20:09 0 47.02 0.00 1.75 0.55 0.08 50.60 09:20:09 1 44.46 0.00 1.67 0.61 0.08 53.18 09:20:09 2 46.78 0.00 1.99 0.10 0.08 51.05 09:20:09 3 45.67 0.00 1.95 0.39 0.08 51.92 09:30:09 all 67.75 0.00 2.39 0.07 0.11 29.69 09:30:09 0 68.63 0.00 2.13 0.09 0.11 29.05 09:30:09 1 66.77 0.00 2.25 0.10 0.10 30.77 09:30:09 2 66.96 0.00 2.52 0.04 0.11 30.36 09:30:09 3 68.64 0.00 2.66 0.03 0.11 28.56 09:40:01 all 47.73 0.08 1.74 0.15 0.09 50.21 09:40:01 0 46.01 0.00 1.61 0.08 0.09 52.21 09:40:01 1 44.95 0.31 1.83 0.40 0.09 52.42 09:40:01 2 47.33 0.00 1.86 0.08 0.09 50.64 09:40:01 3 52.64 0.00 1.66 0.05 0.09 45.57 Average: all 53.81 0.03 1.99 0.21 0.09 43.87 Average: 0 53.88 0.00 1.83 0.24 0.09 43.95 Average: 1 52.05 0.10 1.92 0.37 0.09 45.47 Average: 2 53.69 0.00 2.13 0.07 0.09 44.02 Average: 3 55.61 0.00 2.09 0.16 0.09 42.05