---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31368 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: 5600.00 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 733 9339 4 5916 14912 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:b3:d9:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84410sec preferred_lft 84410sec inet6 fe80::f816:3eff:feb3:d96c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:68:0c:a4:4b:fd 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-31368) 06/28/26 _x86_64_ (4 CPU) 12:35:21 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:11 29.66 1.06 25.82 2.78 420.96 4444.54 19054.93 13:00:10 28.87 0.04 25.73 3.09 1.56 6014.07 22061.38 Average: 29.27 0.56 25.78 2.94 213.09 5222.48 20545.08 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:11 8914752 13121720 2832564 17.30 163252 4113364 3137460 18.01 882620 6130644 182600 13:00:10 7909320 13364120 2584092 15.78 193780 5266932 2867112 16.46 1168624 6786072 32424 Average: 8412036 13242920 2708328 16.54 178516 4690148 3002286 17.23 1025622 6458358 107512 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:11 lo 1144.06 1144.06 1090.40 1090.40 0.00 0.00 0.00 0.00 12:50:11 ens3 76.37 55.38 454.88 14.15 0.00 0.00 0.00 0.00 12:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:10 lo 910.19 910.19 866.45 866.45 0.00 0.00 0.00 0.00 13:00:10 ens3 50.21 40.28 232.61 11.28 0.00 0.00 0.00 0.00 13:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1028.14 1028.14 979.40 979.40 0.00 0.00 0.00 0.00 Average: ens3 63.40 47.90 344.71 12.72 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-31368) 06/28/26 _x86_64_ (4 CPU) 12:35:21 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:11 all 64.32 0.00 2.29 0.09 0.09 33.21 12:50:11 0 65.02 0.00 2.17 0.08 0.09 32.64 12:50:11 1 64.44 0.00 2.20 0.07 0.09 33.19 12:50:11 2 63.76 0.00 2.58 0.09 0.09 33.47 12:50:11 3 64.05 0.00 2.20 0.11 0.09 33.55 13:00:10 all 56.32 0.00 2.15 0.08 0.08 41.37 13:00:10 0 57.45 0.00 1.97 0.05 0.08 40.45 13:00:10 1 55.66 0.00 2.18 0.10 0.08 41.99 13:00:10 2 55.58 0.00 2.46 0.14 0.09 41.74 13:00:10 3 56.57 0.00 2.02 0.04 0.08 41.28 Average: all 60.35 0.00 2.22 0.08 0.09 37.26 Average: 0 61.26 0.00 2.07 0.06 0.09 36.51 Average: 1 60.08 0.00 2.19 0.08 0.09 37.56 Average: 2 59.71 0.00 2.52 0.12 0.09 37.57 Average: 3 60.34 0.00 2.11 0.07 0.09 37.38