---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32669 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 715 9577 4 5695 14931 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:44:1b:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84393sec preferred_lft 84393sec inet6 fe80::f816:3eff:fe44:1bc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:1b:f6:37:3c:8b 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-32669) 07/03/26 _x86_64_ (4 CPU) 15:47:30 LINUX RESTART (4 CPU) 15:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:02 36.33 2.66 19.09 14.58 147.85 4383.75 242823.12 16:10:01 34.48 0.05 30.82 3.61 1.32 3484.67 25786.23 16:20:02 26.10 0.30 23.23 2.57 11.77 5793.64 85994.43 Average: 32.30 1.00 24.38 6.92 53.65 4554.85 118223.00 15:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:02 9419472 13219308 2736920 16.72 152980 3732964 2998936 17.21 706612 5807680 118184 16:10:01 8256468 12679032 3272196 19.99 180092 4280012 3520032 20.20 868960 6757428 181412 16:20:02 9913408 15384348 561464 3.43 200208 5246388 1071940 6.15 926232 4975100 2276 Average: 9196449 13760896 2190193 13.38 177760 4419788 2530303 14.52 833935 5846736 100624 15:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:02 lo 644.43 644.43 613.87 613.87 0.00 0.00 0.00 0.00 16:00:02 ens3 107.15 83.88 832.25 16.94 0.00 0.00 0.00 0.00 16:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1675.06 1675.06 1597.07 1597.07 0.00 0.00 0.00 0.00 16:10:01 ens3 46.14 35.74 138.13 10.62 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:02 lo 11.96 11.96 1.23 1.23 0.00 0.00 0.00 0.00 16:20:02 ens3 83.24 78.03 122.32 229.24 0.00 0.00 0.00 0.00 16:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 776.55 776.55 736.82 736.82 0.00 0.00 0.00 0.00 Average: ens3 78.86 65.89 364.23 85.68 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-32669) 07/03/26 _x86_64_ (4 CPU) 15:47:30 LINUX RESTART (4 CPU) 15:50:02 CPU %user %nice %system %iowait %steal %idle 16:00:02 all 50.33 0.00 1.71 0.38 0.09 47.50 16:00:02 0 50.82 0.00 1.61 0.35 0.08 47.14 16:00:02 1 52.66 0.00 1.69 0.44 0.09 45.12 16:00:02 2 48.99 0.00 1.93 0.14 0.09 48.85 16:00:02 3 48.83 0.00 1.59 0.61 0.09 48.89 16:10:01 all 57.77 0.00 2.48 2.02 0.10 37.62 16:10:01 0 56.40 0.00 2.46 2.71 0.09 38.33 16:10:01 1 57.89 0.00 2.82 1.73 0.11 37.45 16:10:01 2 59.45 0.00 2.57 2.61 0.09 35.29 16:10:01 3 57.34 0.00 2.09 1.04 0.11 39.41 16:20:02 all 43.90 0.00 1.51 0.61 0.08 53.90 16:20:02 0 38.89 0.00 1.12 0.19 0.07 59.73 16:20:02 1 45.32 0.00 1.40 0.29 0.08 52.92 16:20:02 2 50.37 0.00 2.16 1.11 0.08 46.29 16:20:02 3 41.04 0.00 1.37 0.85 0.08 56.67 Average: all 50.65 0.00 1.90 1.00 0.09 46.36 Average: 0 48.69 0.00 1.73 1.08 0.08 48.42 Average: 1 51.94 0.00 1.97 0.82 0.09 45.19 Average: 2 52.93 0.00 2.22 1.28 0.09 43.48 Average: 3 49.05 0.00 1.68 0.83 0.09 48.34