---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5639 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 669 8406 4 6913 14977 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:e0:8d:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82005sec preferred_lft 82005sec inet6 fe80::f816:3eff:fee0:8df3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:72:52:31:1a:f2 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5639) 03/18/26 _x86_64_ (4 CPU) 18:29:17 LINUX RESTART (4 CPU) 18:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 12.73 6.13 6.05 0.54 1496.31 1198.34 5761.81 18:50:11 1.29 0.00 1.28 0.00 0.04 16.79 0.42 19:00:05 26.62 12.03 1.67 12.92 134.00 32.65 245164.38 19:10:05 36.46 2.77 33.09 0.61 146.85 2613.29 944.26 19:20:05 31.89 2.37 26.51 3.02 145.15 3979.09 4394.79 19:30:06 32.04 0.01 28.75 3.28 0.16 2572.88 9909.59 19:40:01 16.69 0.32 14.75 1.62 11.81 8485.38 39469.34 Average: 22.48 3.36 16.00 3.12 276.56 2689.55 43210.20 18:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 13420972 15512692 500872 3.06 60488 2255480 1136228 6.52 360648 2329900 204 18:50:11 13420228 15512608 501024 3.06 61152 2255460 1136244 6.52 361308 2329984 16 19:00:05 13365100 15512436 493312 3.01 64580 2299920 1136396 6.52 404428 2335676 188 19:10:05 11733432 14856540 1106140 6.76 119688 3165960 1558220 8.94 588264 3686160 280704 19:20:05 9296524 13220240 2735420 16.71 150300 3876744 2799092 16.07 893096 5781788 27000 19:30:06 8620612 12977444 2974164 18.16 172608 4253976 2929204 16.81 1015644 6272700 24888 19:40:01 8630828 15349760 594252 3.63 187396 6525396 1091016 6.26 1832200 5352704 344 Average: 11212528 14705960 1272169 7.77 116602 3518991 1683771 9.66 779370 4012702 47621 18:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 18:40:01 ens3 22.04 13.47 247.57 2.36 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:11 ens3 0.29 0.09 0.05 0.02 0.00 0.00 0.00 0.00 18:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:05 ens3 0.25 0.10 0.06 0.03 0.00 0.00 0.00 0.00 19:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:05 lo 0.31 0.31 0.05 0.05 0.00 0.00 0.00 0.00 19:10:05 ens3 93.96 72.42 811.30 14.03 0.00 0.00 0.00 0.00 19:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:05 lo 1543.86 1543.86 1464.92 1464.92 0.00 0.00 0.00 0.00 19:20:05 ens3 97.19 69.93 469.25 16.72 0.00 0.00 0.00 0.00 19:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 1483.90 1483.90 1413.93 1413.93 0.00 0.00 0.00 0.00 19:30:06 ens3 50.55 37.68 47.59 12.13 0.00 0.00 0.00 0.00 19:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 lo 343.21 343.21 6998.57 6998.57 0.00 0.00 0.00 0.00 19:40:01 ens3 69.70 73.86 113.24 718.16 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 481.51 481.51 1402.03 1402.03 0.00 0.00 0.00 0.00 Average: ens3 47.64 38.14 241.30 108.11 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5639) 03/18/26 _x86_64_ (4 CPU) 18:29:17 LINUX RESTART (4 CPU) 18:30:00 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 0.73 0.00 0.33 0.55 0.02 98.38 18:40:01 0 0.62 0.00 0.49 0.45 0.01 98.43 18:40:01 1 0.79 0.00 0.22 0.44 0.02 98.53 18:40:01 2 0.82 0.00 0.32 0.38 0.02 98.46 18:40:01 3 0.67 0.00 0.27 0.95 0.01 98.09 18:50:11 all 0.17 0.00 0.03 0.07 0.01 99.72 18:50:11 0 0.02 0.00 0.02 0.01 0.01 99.94 18:50:11 1 0.50 0.00 0.02 0.00 0.01 99.47 18:50:11 2 0.04 0.00 0.03 0.26 0.01 99.66 18:50:11 3 0.14 0.00 0.04 0.02 0.02 99.79 19:00:05 all 0.07 0.08 0.05 0.40 0.01 99.37 19:00:05 0 0.02 0.00 0.03 0.03 0.01 99.91 19:00:05 1 0.04 0.33 0.13 1.28 0.02 98.22 19:00:05 2 0.03 0.00 0.05 0.28 0.01 99.63 19:00:05 3 0.21 0.00 0.02 0.03 0.01 99.72 19:10:05 all 5.71 0.00 0.52 0.35 0.03 93.40 19:10:05 0 5.89 0.00 0.46 0.15 0.03 93.48 19:10:05 1 4.88 0.00 0.68 0.16 0.04 94.24 19:10:05 2 4.11 0.00 0.36 0.31 0.03 95.19 19:10:05 3 7.95 0.00 0.59 0.77 0.03 90.67 19:20:05 all 67.77 0.00 2.50 0.24 0.10 29.39 19:20:05 0 66.86 0.00 2.91 0.36 0.10 29.77 19:20:05 1 66.47 0.00 2.27 0.33 0.11 30.82 19:20:05 2 68.39 0.00 2.53 0.12 0.10 28.86 19:20:05 3 69.34 0.00 2.31 0.15 0.10 28.10 19:30:06 all 63.49 0.00 2.48 0.21 0.11 33.71 19:30:06 0 62.53 0.00 2.33 0.15 0.10 34.88 19:30:06 1 62.39 0.00 2.72 0.26 0.11 34.52 19:30:06 2 64.83 0.00 2.69 0.20 0.11 32.18 19:30:06 3 64.22 0.00 2.20 0.22 0.11 33.25 19:40:01 all 33.71 0.00 1.14 0.88 0.08 64.20 19:40:01 0 40.63 0.00 1.11 0.63 0.07 57.55 19:40:01 1 34.44 0.00 1.05 0.17 0.08 64.25 19:40:01 2 30.27 0.00 1.16 1.70 0.08 66.79 19:40:01 3 29.48 0.00 1.23 1.01 0.07 68.20 Average: all 24.44 0.01 1.01 0.39 0.05 74.11 Average: 0 25.14 0.00 1.05 0.25 0.05 73.52 Average: 1 24.13 0.05 1.01 0.38 0.05 74.39 Average: 2 23.99 0.00 1.02 0.46 0.05 74.48 Average: 3 24.51 0.00 0.95 0.45 0.05 74.04