---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42614 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 11G 68G 13% / 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 641 10874 4 4473 15003 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:d2:3e:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82730sec preferred_lft 82730sec inet6 fe80::f816:3eff:fed2:3e9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:db:81:82:c0:19 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-42614) 08/29/26 _x86_64_ (4 CPU) 19:44:56 LINUX RESTART (4 CPU) 19:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:36 1.28 0.01 1.26 0.01 0.06 16.23 0.44 20:10:23 1.03 0.00 1.03 0.00 0.00 12.71 0.00 20:20:23 13.95 0.01 1.18 12.77 0.16 13.92 242770.03 20:30:23 33.70 2.21 30.89 0.60 134.20 2551.03 970.31 20:40:18 11.76 2.29 8.81 0.66 136.66 2651.49 1063.71 Average: 12.26 0.89 8.58 2.79 53.65 1038.21 48664.10 19:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:36 13739884 15516868 501460 3.06 53596 1951400 1132052 6.50 192560 2185252 20 20:10:23 13753596 15531000 487148 2.98 53884 1951548 1132100 6.50 192844 2182756 12 20:20:23 13748304 15531136 486932 2.97 54552 1956260 1132164 6.50 198308 2188860 12 20:30:23 13037020 15490056 487856 2.98 97656 2549300 991204 5.69 319944 2704104 12 20:40:18 10530948 13785544 2174312 13.28 139208 3250084 2480824 14.24 541484 4929212 3564 Average: 12961950 15170921 827542 5.05 79779 2331718 1373669 7.88 289028 2838037 724 19:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:36 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 20:00:36 ens3 0.76 0.16 0.15 0.07 0.00 0.00 0.00 0.00 20:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:23 ens3 0.69 0.12 0.11 0.04 0.00 0.00 0.00 0.00 20:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:20:23 ens3 1.44 0.63 0.23 0.70 0.00 0.00 0.00 0.00 20:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:23 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 20:30:23 ens3 49.80 40.27 361.28 10.45 0.00 0.00 0.00 0.00 20:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:18 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 20:40:18 ens3 66.21 54.94 555.44 13.61 0.00 0.00 0.00 0.00 20:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 23.53 19.01 181.35 4.92 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-42614) 08/29/26 _x86_64_ (4 CPU) 19:44:56 LINUX RESTART (4 CPU) 19:50:00 CPU %user %nice %system %iowait %steal %idle 20:00:36 all 0.09 0.00 0.02 0.01 0.00 99.87 20:00:36 0 0.26 0.00 0.03 0.01 0.00 99.70 20:00:36 1 0.04 0.00 0.03 0.03 0.00 99.90 20:00:36 2 0.04 0.00 0.02 0.00 0.00 99.94 20:00:36 3 0.03 0.00 0.02 0.00 0.00 99.95 20:10:23 all 0.22 0.00 0.03 0.01 0.00 99.73 20:10:23 0 0.77 0.00 0.04 0.04 0.00 99.15 20:10:23 1 0.02 0.00 0.04 0.00 0.00 99.94 20:10:23 2 0.09 0.00 0.03 0.01 0.00 99.88 20:10:23 3 0.02 0.00 0.01 0.00 0.00 99.97 20:20:23 all 0.06 0.00 0.04 0.04 0.00 99.87 20:20:23 0 0.03 0.00 0.04 0.03 0.00 99.90 20:20:23 1 0.03 0.00 0.04 0.00 0.00 99.93 20:20:23 2 0.06 0.00 0.04 0.01 0.00 99.89 20:20:23 3 0.10 0.00 0.04 0.10 0.00 99.76 20:30:23 all 2.83 0.00 0.36 0.30 0.00 96.51 20:30:23 0 5.65 0.00 0.55 0.69 0.00 93.11 20:30:23 1 1.59 0.00 0.28 0.06 0.00 98.07 20:30:23 2 3.22 0.00 0.39 0.43 0.00 95.96 20:30:23 3 0.85 0.00 0.21 0.03 0.00 98.92 20:40:18 all 39.95 0.00 1.47 0.06 0.02 58.51 20:40:18 0 40.62 0.00 1.47 0.08 0.01 57.82 20:40:18 1 40.12 0.00 1.54 0.05 0.02 58.27 20:40:18 2 40.78 0.00 1.38 0.05 0.02 57.78 20:40:18 3 38.27 0.00 1.48 0.05 0.01 60.19 Average: all 8.50 0.00 0.38 0.08 0.00 91.03 Average: 0 9.33 0.00 0.42 0.17 0.00 90.08 Average: 1 8.23 0.00 0.38 0.03 0.00 91.36 Average: 2 8.72 0.00 0.37 0.10 0.00 90.81 Average: 3 7.73 0.00 0.35 0.04 0.00 91.88