---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3634 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: 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 18G 61G 23% / 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 720 11300 3 3968 14926 Swap: 1023 1 1022 ---> 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:dd:ae:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80043sec preferred_lft 80043sec inet6 fe80::f816:3eff:fedd:aea5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:1a:d9:f3:4f:c9 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 inet6 fe80::a41a:d9ff:fef3:4fc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-3634) 04/16/26 _x86_64_ (4 CPU) 14:50:51 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:07 78.24 25.93 49.18 3.13 390.98 5340.42 5693.57 15:20:17 24.30 0.34 8.39 15.57 15.20 224.94 208612.47 15:30:01 12.65 0.31 11.84 0.51 14.08 552.07 1148.62 15:40:11 12.44 0.04 11.90 0.50 1.36 364.87 405.72 15:50:11 6.74 0.01 6.48 0.25 1.37 183.18 1173.21 16:00:01 7.09 0.03 6.80 0.26 1.74 169.14 75.53 16:10:11 5.96 0.02 5.61 0.33 1.22 204.07 470.77 16:20:17 5.14 0.01 4.96 0.17 0.73 148.89 52.28 16:30:01 8.50 0.02 8.14 0.34 0.63 542.12 466.79 Average: 17.99 3.00 12.62 2.37 47.90 862.78 24623.27 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:07 2248840 5141168 10793496 65.92 265256 2654556 11723760 67.29 2056420 11530128 1188 15:20:17 4178540 7096860 8839612 53.99 268448 2677320 9601828 55.11 2080656 9581244 248 15:30:01 8542604 11565064 4374756 26.72 272812 2777040 5161336 29.63 2118580 5196080 276 15:40:11 9836440 12901120 3039712 18.57 275216 2816832 3773284 21.66 2124664 3911672 224 15:50:11 8161636 11248168 4691744 28.66 275980 2837916 5451760 31.29 2126732 5577172 176 16:00:01 11737236 14854004 1087832 6.64 276636 2867496 1830748 10.51 2129832 2007856 14292 16:10:11 6871140 10006164 5933144 36.24 277400 2884988 6766160 38.84 2133660 6845816 200 16:20:17 8335408 11491156 4449012 27.17 278128 2904992 5218884 29.96 2136148 5395004 68 16:30:01 8121028 11392500 4547332 27.77 281740 3016220 5136404 29.48 2150232 5589592 716 Average: 7559208 10632912 5306293 32.41 274624 2826373 6073796 34.86 2117436 6181618 1932 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:07 lo 33.36 33.36 20.85 20.85 0.00 0.00 0.00 0.00 15:10:07 ens3 2.19 2.19 0.64 1.21 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:17 lo 32.41 32.41 13.97 13.97 0.00 0.00 0.00 0.00 15:20:17 ens3 0.96 0.93 0.20 0.33 0.00 0.00 0.00 0.00 15:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 12.44 12.44 4.83 4.83 0.00 0.00 0.00 0.00 15:30:01 ens3 0.78 0.76 0.21 0.18 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:11 lo 7.48 7.48 4.69 4.69 0.00 0.00 0.00 0.00 15:40:11 ens3 0.62 0.45 0.14 0.10 0.00 0.00 0.00 0.00 15:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:11 lo 19.64 19.64 9.36 9.36 0.00 0.00 0.00 0.00 15:50:11 ens3 0.80 0.63 0.18 0.14 0.00 0.00 0.00 0.00 15:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 28.63 28.63 10.00 10.00 0.00 0.00 0.00 0.00 16:00:01 ens3 0.63 0.46 0.17 0.12 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:11 lo 19.25 19.25 10.78 10.78 0.00 0.00 0.00 0.00 16:10:11 ens3 1.18 0.70 0.33 0.23 0.00 0.00 0.00 0.00 16:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:17 lo 17.34 17.34 9.83 9.83 0.00 0.00 0.00 0.00 16:20:17 ens3 0.62 0.54 0.13 0.10 0.00 0.00 0.00 0.00 16:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 21.68 21.68 10.51 10.51 0.00 0.00 0.00 0.00 16:30:01 ens3 0.96 0.87 0.26 0.21 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.37 21.37 10.56 10.56 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.84 0.25 0.29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-3634) 04/16/26 _x86_64_ (4 CPU) 14:50:51 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:07 all 62.33 0.00 2.34 0.14 0.11 35.09 15:10:07 0 61.90 0.00 2.39 0.10 0.10 35.50 15:10:07 1 61.78 0.00 2.18 0.28 0.10 35.66 15:10:07 2 62.92 0.00 2.31 0.13 0.11 34.54 15:10:07 3 62.70 0.00 2.47 0.05 0.11 34.67 15:20:17 all 17.94 0.00 0.67 0.04 0.08 81.27 15:20:17 0 18.55 0.00 0.67 0.05 0.08 80.65 15:20:17 1 17.84 0.00 0.68 0.03 0.08 81.37 15:20:17 2 17.66 0.00 0.71 0.08 0.09 81.46 15:20:17 3 17.70 0.00 0.61 0.01 0.08 81.59 15:30:01 all 16.62 0.00 0.68 0.41 0.07 82.21 15:30:01 0 16.51 0.00 0.69 0.24 0.07 82.50 15:30:01 1 15.77 0.00 0.69 0.14 0.07 83.34 15:30:01 2 17.72 0.00 0.70 1.14 0.06 80.38 15:30:01 3 16.50 0.00 0.67 0.15 0.06 82.62 15:40:11 all 19.11 0.00 0.66 0.40 0.06 79.76 15:40:11 0 19.22 0.00 0.72 0.64 0.06 79.36 15:40:11 1 18.76 0.00 0.61 0.18 0.07 80.37 15:40:11 2 19.05 0.00 0.74 0.62 0.07 79.52 15:40:11 3 19.39 0.00 0.58 0.16 0.06 79.80 15:50:11 all 14.82 0.00 0.60 0.14 0.06 84.37 15:50:11 0 14.72 0.00 0.52 0.04 0.06 84.66 15:50:11 1 15.21 0.00 0.71 0.10 0.07 83.92 15:50:11 2 14.86 0.00 0.58 0.34 0.07 84.15 15:50:11 3 14.50 0.00 0.59 0.08 0.06 84.77 16:00:01 all 10.24 0.00 0.57 0.05 0.05 89.09 16:00:01 0 10.21 0.00 0.50 0.03 0.05 89.22 16:00:01 1 10.22 0.00 0.59 0.07 0.05 89.06 16:00:01 2 9.95 0.00 0.54 0.02 0.06 89.44 16:00:01 3 10.59 0.00 0.64 0.09 0.05 88.64 16:10:11 all 16.50 0.00 0.65 0.06 0.07 82.71 16:10:11 0 15.88 0.00 0.62 0.01 0.07 83.42 16:10:11 1 16.73 0.00 0.65 0.06 0.07 82.49 16:10:11 2 16.68 0.00 0.75 0.01 0.07 82.49 16:10:11 3 16.72 0.00 0.60 0.16 0.07 82.45 16:20:17 all 8.88 0.00 0.39 0.15 0.05 90.53 16:20:17 0 8.37 0.00 0.35 0.35 0.05 90.88 16:20:17 1 8.98 0.00 0.45 0.09 0.06 90.41 16:20:17 2 9.20 0.00 0.35 0.02 0.05 90.38 16:20:17 3 8.97 0.00 0.42 0.12 0.05 90.44 16:30:01 all 15.68 0.00 0.67 0.10 0.07 83.48 16:30:01 0 15.75 0.00 0.60 0.03 0.06 83.57 16:30:01 1 16.63 0.00 0.76 0.14 0.07 82.40 16:30:01 2 15.00 0.00 0.69 0.14 0.07 84.10 16:30:01 3 15.36 0.00 0.64 0.07 0.07 83.87 Average: all 20.29 0.00 0.81 0.17 0.07 78.67 Average: 0 20.18 0.00 0.79 0.16 0.07 78.80 Average: 1 20.27 0.00 0.81 0.12 0.07 78.72 Average: 2 20.40 0.00 0.82 0.28 0.07 78.44 Average: 3 20.33 0.00 0.80 0.10 0.07 78.70