---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42594 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 679 7810 4 7499 14966 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:03:92:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81140sec preferred_lft 81140sec inet6 fe80::f816:3eff:fe03:9264/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:59:4c:aa:d1:16 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42594) 08/29/26 _x86_64_ (4 CPU) 19:44:12 LINUX RESTART (4 CPU) 19:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:01 1.89 0.01 1.88 0.01 0.04 37.53 730.88 20:10:01 1.48 0.00 1.48 0.00 0.00 31.92 0.00 20:20:01 1.52 0.00 1.51 0.00 0.01 30.55 0.00 20:30:01 1.75 0.00 1.75 0.00 0.00 34.77 0.00 20:40:01 27.84 2.93 22.28 2.63 160.92 4031.23 3893.60 20:50:01 23.08 0.01 20.57 2.50 0.39 1969.12 22867.52 21:00:01 20.94 0.03 19.00 1.91 0.64 3667.97 18801.68 21:10:01 12.29 0.17 10.66 1.46 10.55 7531.70 55847.62 Average: 11.35 0.39 9.89 1.06 21.57 2166.86 12767.75 19:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:01 12643080 15498112 472444 2.89 101800 2941652 1001236 5.75 406088 2983772 56 20:10:01 12634156 15491132 479256 2.93 103412 2941772 1001568 5.75 407700 2989904 260 20:20:01 12628240 15487196 482680 2.95 104936 2942196 1001632 5.75 409224 2996384 84 20:30:01 12620940 15482244 487528 2.98 106328 2942620 1018336 5.85 410624 3012528 716 20:40:01 9277508 13239584 2715308 16.58 153376 3918956 2913040 16.72 764648 5930272 11736 20:50:01 8684352 13112748 2839344 17.34 168456 4334500 2949836 16.93 869556 6378664 114956 21:00:01 6516508 11733844 4215084 25.74 179840 5081160 4213620 24.19 1114640 8266880 2364 21:10:01 8025772 15344284 596892 3.65 195964 7099200 1128232 6.48 1882664 5878952 108 Average: 10378820 14423643 1536067 9.38 139264 4025257 1903438 10.93 783143 4804670 16285 19:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:01 ens3 4.84 3.78 32.22 0.66 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:01 ens3 4.74 3.66 31.14 0.68 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:20:01 ens3 4.86 3.43 28.35 0.66 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:30:01 ens3 5.17 4.25 27.60 1.50 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 1502.93 1502.93 1426.93 1426.93 0.00 0.00 0.00 0.00 20:40:01 ens3 105.75 86.88 1019.53 19.04 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 1206.78 1206.78 1149.48 1149.48 0.00 0.00 0.00 0.00 20:50:01 ens3 27.27 21.80 14.01 9.70 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 710.12 710.12 667.60 667.60 0.00 0.00 0.00 0.00 21:00:01 ens3 21.62 16.24 19.24 7.04 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 2557.19 2557.19 9289.05 9289.05 0.00 0.00 0.00 0.00 21:10:01 ens3 79.28 89.85 143.38 1223.73 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.18 747.18 1566.65 1566.65 0.00 0.00 0.00 0.00 Average: ens3 31.69 28.74 164.43 157.88 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42594) 08/29/26 _x86_64_ (4 CPU) 19:44:12 LINUX RESTART (4 CPU) 19:50:01 CPU %user %nice %system %iowait %steal %idle 20:00:01 all 0.07 0.00 0.03 0.02 0.00 99.89 20:00:01 0 0.02 0.00 0.02 0.01 0.00 99.96 20:00:01 1 0.02 0.00 0.03 0.01 0.00 99.94 20:00:01 2 0.22 0.00 0.05 0.05 0.00 99.68 20:00:01 3 0.02 0.00 0.02 0.01 0.00 99.96 20:10:01 all 0.18 0.00 0.03 0.01 0.00 99.77 20:10:01 0 0.20 0.00 0.03 0.00 0.00 99.78 20:10:01 1 0.02 0.00 0.03 0.01 0.00 99.94 20:10:01 2 0.14 0.00 0.05 0.01 0.00 99.80 20:10:01 3 0.37 0.00 0.04 0.04 0.00 99.56 20:20:01 all 0.03 0.00 0.03 0.01 0.00 99.92 20:20:01 0 0.01 0.00 0.01 0.01 0.00 99.97 20:20:01 1 0.04 0.00 0.04 0.01 0.00 99.92 20:20:01 2 0.06 0.00 0.04 0.01 0.00 99.89 20:20:01 3 0.03 0.00 0.03 0.04 0.00 99.89 20:30:01 all 0.37 0.00 0.04 0.01 0.00 99.58 20:30:01 0 0.02 0.00 0.03 0.02 0.00 99.93 20:30:01 1 0.12 0.00 0.07 0.01 0.00 99.81 20:30:01 2 0.06 0.00 0.03 0.00 0.00 99.92 20:30:01 3 1.26 0.00 0.03 0.03 0.00 98.68 20:40:01 all 52.12 0.00 2.47 0.10 0.02 45.29 20:40:01 0 49.67 0.00 2.21 0.13 0.02 47.98 20:40:01 1 53.09 0.00 2.69 0.06 0.03 44.13 20:40:01 2 52.70 0.00 2.37 0.15 0.02 44.76 20:40:01 3 53.01 0.00 2.61 0.07 0.02 44.30 20:50:01 all 63.56 0.00 2.55 0.07 0.03 33.79 20:50:01 0 64.93 0.00 2.59 0.06 0.03 32.40 20:50:01 1 62.64 0.00 2.72 0.05 0.03 34.56 20:50:01 2 63.44 0.00 2.38 0.05 0.03 34.11 20:50:01 3 63.26 0.00 2.50 0.10 0.03 34.12 21:00:01 all 38.55 0.00 1.96 0.10 0.02 59.38 21:00:01 0 37.39 0.00 2.21 0.13 0.02 60.25 21:00:01 1 37.93 0.00 1.92 0.05 0.01 60.08 21:00:01 2 39.63 0.00 1.95 0.06 0.02 58.33 21:00:01 3 39.24 0.00 1.76 0.14 0.01 58.84 21:10:01 all 35.89 0.00 1.59 0.14 0.02 62.36 21:10:01 0 33.52 0.00 1.91 0.08 0.02 64.47 21:10:01 1 36.19 0.00 1.21 0.06 0.02 62.52 21:10:01 2 36.12 0.00 2.19 0.30 0.02 61.38 21:10:01 3 37.76 0.00 1.05 0.13 0.01 61.04 Average: all 23.83 0.00 1.09 0.06 0.01 75.02 Average: 0 23.22 0.00 1.13 0.05 0.01 75.59 Average: 1 23.75 0.00 1.09 0.03 0.01 75.12 Average: 2 24.03 0.00 1.13 0.08 0.01 74.75 Average: 3 24.32 0.00 1.00 0.07 0.01 74.60