---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8014 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 657 8658 4 6673 14989 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:29:11:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83781sec preferred_lft 83781sec inet6 fe80::f816:3eff:fe29:11fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:07:3e:8d:9d:b6 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-8014) 04/25/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 31.46 2.96 25.51 3.00 161.45 4002.21 5535.12 19:30:01 43.12 12.10 27.94 3.08 134.06 2554.10 25717.72 19:40:12 28.80 0.04 13.86 14.91 0.85 5215.90 292131.67 Average: 34.37 4.96 22.35 7.07 97.96 3940.56 109445.12 19:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 9597340 13075624 2883600 17.61 138832 3466640 2914336 16.73 673336 5714052 37084 19:30:01 8149964 12318544 3635772 22.21 161676 4076856 3632668 20.85 865636 6896664 226756 19:40:12 6381124 12775252 3171480 19.37 180988 6209820 3122784 17.92 1646140 7805112 1050680 Average: 8042809 12723140 3230284 19.73 160499 4584439 3223263 18.50 1061704 6805276 438173 19:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1528.94 1528.94 1450.88 1450.88 0.00 0.00 0.00 0.00 19:20:12 ens3 116.66 93.54 944.48 20.39 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1359.88 1359.88 1295.79 1295.79 0.00 0.00 0.00 0.00 19:30:01 ens3 42.32 32.70 46.42 11.30 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 2670.82 2670.82 9384.87 9384.87 0.00 0.00 0.00 0.00 19:40:12 ens3 33.21 26.03 100.10 8.25 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1861.34 1861.34 4093.95 4093.95 0.00 0.00 0.00 0.00 Average: ens3 64.01 50.72 364.00 13.29 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-8014) 04/25/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 61.94 0.00 2.58 0.10 0.08 35.31 19:20:12 0 60.68 0.00 2.18 0.06 0.08 36.99 19:20:12 1 63.63 0.00 2.51 0.13 0.08 33.65 19:20:12 2 61.18 0.00 2.99 0.10 0.08 35.65 19:20:12 3 62.27 0.00 2.62 0.10 0.08 34.93 19:30:01 all 64.87 0.07 2.45 0.10 0.08 32.43 19:30:01 0 64.63 0.15 2.49 0.11 0.08 32.53 19:30:01 1 64.05 0.09 2.18 0.09 0.08 33.51 19:30:01 2 65.42 0.00 2.88 0.12 0.08 31.50 19:30:01 3 65.38 0.02 2.23 0.09 0.09 32.19 19:40:12 all 42.52 0.00 1.67 0.10 0.08 55.62 19:40:12 0 37.77 0.00 2.10 0.17 0.08 59.87 19:40:12 1 47.84 0.00 1.78 0.08 0.07 50.23 19:40:12 2 38.48 0.00 1.39 0.05 0.08 60.00 19:40:12 3 46.00 0.00 1.42 0.11 0.07 52.40 Average: all 56.29 0.02 2.23 0.10 0.08 41.28 Average: 0 54.18 0.05 2.26 0.12 0.08 43.32 Average: 1 58.39 0.03 2.15 0.10 0.08 39.25 Average: 2 54.85 0.00 2.41 0.09 0.08 42.57 Average: 3 57.75 0.01 2.09 0.10 0.08 39.98