---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15776 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 11G 67G 14% / 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 666 10412 4 4910 14980 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:c9:af:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84341sec preferred_lft 84341sec inet6 fe80::f816:3eff:fec9:affd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:86:dd:2b:e9:d9 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-15776) 05/16/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 15.82 3.05 12.05 0.72 368.79 3310.01 934.49 15:00:09 23.47 0.48 8.40 14.60 17.34 2200.38 237171.80 15:10:01 27.72 0.72 23.07 3.93 23.87 3618.67 2313.62 Average: 22.32 1.42 14.43 6.46 136.74 3036.54 81196.67 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 11172736 14287288 1674548 10.23 118868 3149852 2037512 11.70 562300 4281080 26808 15:00:09 9799128 13567716 2388464 14.59 150620 3708128 2597420 14.91 734784 5415196 18264 15:10:01 10726680 15394548 555352 3.39 171752 4528184 1102240 6.33 973304 4169056 204 Average: 10566181 14416517 1539455 9.40 147080 3795388 1912391 10.98 756796 4621777 15092 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 14:50:01 ens3 79.77 61.78 735.49 12.97 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 15:00:09 ens3 51.87 42.91 136.17 15.10 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1677.16 1677.16 1586.44 1586.44 0.00 0.00 0.00 0.00 15:10:01 ens3 106.61 96.10 417.34 168.77 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.64 551.64 521.25 521.25 0.00 0.00 0.00 0.00 Average: ens3 79.16 66.68 428.50 64.88 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-15776) 05/16/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 30.82 0.00 1.09 0.17 0.08 67.85 14:50:01 0 31.95 0.00 1.18 0.25 0.08 66.55 14:50:01 1 29.32 0.00 1.02 0.08 0.08 69.50 14:50:01 2 31.11 0.00 0.98 0.25 0.09 67.57 14:50:01 3 30.90 0.00 1.17 0.09 0.08 67.76 15:00:09 all 71.45 0.00 2.28 0.34 0.20 25.72 15:00:09 0 70.74 0.00 1.99 0.11 0.18 26.97 15:00:09 1 72.41 0.00 2.26 0.25 0.20 24.87 15:00:09 2 66.41 0.00 2.09 0.40 0.19 30.90 15:00:09 3 76.26 0.00 2.79 0.61 0.21 20.13 15:10:01 all 46.85 0.00 2.38 0.24 0.16 50.37 15:10:01 0 45.29 0.00 2.45 0.40 0.14 51.72 15:10:01 1 46.48 0.00 2.39 0.23 0.16 50.74 15:10:01 2 47.70 0.00 2.34 0.16 0.16 49.64 15:10:01 3 47.93 0.00 2.33 0.19 0.16 49.38 Average: all 49.80 0.00 1.92 0.25 0.14 47.89 Average: 0 49.42 0.00 1.87 0.25 0.13 48.33 Average: 1 49.50 0.00 1.89 0.19 0.15 48.27 Average: 2 48.48 0.00 1.80 0.27 0.15 49.30 Average: 3 51.80 0.00 2.10 0.30 0.15 45.66