---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16199 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 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 672 9324 4 5991 14974 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:8c:5b:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84631sec preferred_lft 84631sec inet6 fe80::f816:3eff:fe8c:5b9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:24:94:b3:70:db 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-16199) 05/18/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:17 12.45 0.01 10.47 1.96 0.19 811.29 23144.41 05:40:03 39.33 0.61 33.38 5.34 20.30 8316.24 18908.36 Average: 25.56 0.30 21.64 3.61 10.00 4471.16 21078.65 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:17 9539736 13167452 2790452 17.04 134472 3607640 3104004 17.82 751624 5682464 1080 05:40:03 9583636 15361852 585208 3.57 172768 5618968 1108652 6.36 1627904 4628036 320 Average: 9561686 14264652 1687830 10.31 153620 4613304 2106328 12.09 1189764 5155250 700 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:17 lo 57.04 57.04 14.25 14.25 0.00 0.00 0.00 0.00 05:30:17 ens3 6.09 5.04 4.23 1.64 0.00 0.00 0.00 0.00 05:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 lo 2449.72 2449.72 2353.70 2353.70 0.00 0.00 0.00 0.00 05:40:03 ens3 102.76 94.91 486.92 589.24 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1223.86 1223.86 1155.11 1155.11 0.00 0.00 0.00 0.00 Average: ens3 53.23 48.87 239.62 288.19 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-16199) 05/18/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:17 all 16.14 0.00 0.82 0.07 0.09 82.89 05:30:17 0 16.48 0.00 0.88 0.03 0.09 82.52 05:30:17 1 16.11 0.00 0.75 0.07 0.08 82.99 05:30:17 2 15.98 0.00 0.82 0.11 0.08 83.01 05:30:17 3 15.98 0.00 0.82 0.07 0.09 83.04 05:40:03 all 52.16 0.00 2.74 0.15 0.09 44.86 05:40:03 0 53.37 0.00 2.65 0.24 0.09 43.64 05:40:03 1 50.92 0.00 2.82 0.18 0.08 45.99 05:40:03 2 51.15 0.00 2.83 0.10 0.08 45.83 05:40:03 3 53.21 0.00 2.65 0.08 0.09 43.98 Average: all 33.70 0.00 1.76 0.11 0.09 64.34 Average: 0 34.46 0.00 1.75 0.13 0.09 63.57 Average: 1 33.10 0.00 1.76 0.12 0.08 64.94 Average: 2 33.13 0.00 1.80 0.10 0.08 64.88 Average: 3 34.13 0.00 1.71 0.08 0.09 63.99