---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36400 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 13G 65G 17% / 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 676 8281 4 7031 14970 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:33:02:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83720sec preferred_lft 83720sec inet6 fe80::f816:3eff:fe33:2f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:81:c0:25:83:84 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-36400) 07/16/26 _x86_64_ (4 CPU) 12:07:41 LINUX RESTART (4 CPU) 12:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:12 28.60 3.00 22.91 2.69 163.13 4067.25 6557.65 12:30:12 25.33 0.02 22.80 2.51 0.23 2108.33 7981.65 12:40:12 18.97 0.02 17.17 1.77 0.36 3440.41 6820.62 12:50:12 11.04 0.14 9.72 1.18 9.56 7397.82 746.79 Average: 20.99 0.80 18.15 2.04 43.32 4253.44 5526.70 12:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:12 9766812 13297720 2660832 16.25 136556 3517224 2810628 16.13 661848 5565376 10964 12:30:12 8450052 12557900 3396760 20.75 155860 4034980 3475496 19.95 799612 6695320 205584 12:40:12 6433560 11199732 4752728 29.03 168456 4656088 5184568 29.76 1024896 8463124 1352 12:50:12 8523240 15363056 581688 3.55 185092 6646252 1105840 6.35 1758476 5533164 248 Average: 8293416 13104602 2848002 17.39 161491 4713636 3144133 18.05 1061208 6564246 54537 12:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:12 lo 1529.25 1529.25 1451.06 1451.06 0.00 0.00 0.00 0.00 12:20:12 ens3 133.87 98.89 983.13 19.61 0.00 0.00 0.00 0.00 12:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:12 lo 1131.45 1131.45 1077.92 1077.92 0.00 0.00 0.00 0.00 12:30:12 ens3 38.39 29.58 14.98 10.00 0.00 0.00 0.00 0.00 12:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:12 lo 665.80 665.80 625.68 625.68 0.00 0.00 0.00 0.00 12:40:12 ens3 30.87 23.19 20.03 7.66 0.00 0.00 0.00 0.00 12:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:12 lo 2535.39 2535.39 9288.94 9288.94 0.00 0.00 0.00 0.00 12:50:12 ens3 72.54 84.96 146.52 1196.27 0.00 0.00 0.00 0.00 12:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1465.46 1465.46 3110.86 3110.86 0.00 0.00 0.00 0.00 Average: ens3 68.92 59.16 291.16 308.38 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-36400) 07/16/26 _x86_64_ (4 CPU) 12:07:41 LINUX RESTART (4 CPU) 12:10:12 CPU %user %nice %system %iowait %steal %idle 12:20:12 all 59.23 0.00 2.43 0.41 0.21 37.73 12:20:12 0 58.73 0.00 2.40 1.11 0.20 37.55 12:20:12 1 59.73 0.00 2.37 0.13 0.21 37.55 12:20:12 2 59.94 0.00 2.61 0.21 0.14 37.10 12:20:12 3 58.51 0.00 2.33 0.18 0.27 38.71 12:30:12 all 65.72 0.00 2.29 0.07 0.14 31.78 12:30:12 0 65.39 0.00 1.95 0.04 0.14 32.48 12:30:12 1 64.63 0.00 2.17 0.11 0.14 32.94 12:30:12 2 66.42 0.00 2.73 0.07 0.14 30.63 12:30:12 3 66.43 0.00 2.32 0.06 0.14 31.06 12:40:12 all 38.36 0.00 1.71 0.27 0.11 59.56 12:40:12 0 36.97 0.00 1.92 0.34 0.10 60.66 12:40:12 1 36.91 0.00 1.46 0.07 0.10 61.45 12:40:12 2 40.02 0.00 1.77 0.48 0.11 57.61 12:40:12 3 39.53 0.00 1.68 0.17 0.12 58.50 12:50:12 all 36.62 0.00 1.46 2.16 0.10 59.66 12:50:12 0 29.58 0.00 1.79 3.61 0.10 64.92 12:50:12 1 28.53 0.00 1.31 2.34 0.09 67.74 12:50:12 2 43.80 0.00 1.55 1.45 0.10 53.10 12:50:12 3 44.60 0.00 1.18 1.24 0.10 52.88 Average: all 49.98 0.00 1.97 0.73 0.14 47.18 Average: 0 47.65 0.00 2.02 1.28 0.14 48.92 Average: 1 47.45 0.00 1.83 0.67 0.14 49.92 Average: 2 52.55 0.00 2.16 0.55 0.12 44.61 Average: 3 52.26 0.00 1.88 0.41 0.16 45.29