---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46480 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 9.1G 69G 12% / 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 647 12063 4 3277 14998 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:6b:24:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83079sec preferred_lft 83079sec inet6 fe80::f816:3eff:fe6b:24f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:dd:a8:5b:ca:0b 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-46480) 09/01/26 _x86_64_ (4 CPU) 01:44:56 LINUX RESTART (4 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.22 0.00 1.21 0.00 0.04 15.08 215.97 02:10:23 1.06 0.00 1.06 0.00 0.00 12.95 0.00 02:20:23 1.07 0.00 1.07 0.00 0.01 13.01 0.00 02:30:01 1.07 0.00 1.07 0.00 0.00 12.48 0.00 02:40:08 21.77 4.14 16.23 1.40 195.73 3562.28 1093.43 Average: 5.28 0.84 4.16 0.28 39.55 730.31 264.17 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 13763876 15540804 477504 2.92 53616 1951076 1148052 6.59 192208 2172800 176 02:10:23 13763372 15540652 477604 2.92 53960 1951084 1148052 6.59 192544 2173536 12 02:20:23 13762116 15539924 478268 2.92 54332 1951224 1148052 6.59 192936 2174996 48 02:30:01 13761612 15539860 478344 2.92 54628 1951360 1148052 6.59 193232 2176084 200 02:40:08 12385336 15388384 577576 3.53 105668 3080868 1210576 6.95 341508 3304856 225288 Average: 13487262 15509925 497859 3.04 64441 2177122 1160557 6.66 222486 2400454 45145 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:00:06 ens3 0.87 0.08 0.10 0.02 0.00 0.00 0.00 0.00 02:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:10:23 ens3 0.47 0.09 0.07 0.02 0.00 0.00 0.00 0.00 02:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:20:23 ens3 0.49 0.11 0.09 0.04 0.00 0.00 0.00 0.00 02:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:30:01 ens3 0.75 0.08 0.07 0.02 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:08 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 02:40:08 ens3 44.23 34.47 482.43 13.25 0.00 0.00 0.00 0.00 02:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 9.45 7.04 97.53 2.69 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-46480) 09/01/26 _x86_64_ (4 CPU) 01:44:56 LINUX RESTART (4 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.05 0.00 0.03 0.01 0.00 99.90 02:00:06 0 0.02 0.00 0.04 0.00 0.00 99.93 02:00:06 1 0.06 0.00 0.04 0.00 0.00 99.89 02:00:06 2 0.03 0.00 0.03 0.03 0.00 99.91 02:00:06 3 0.10 0.00 0.02 0.00 0.00 99.87 02:10:23 all 0.10 0.00 0.03 0.01 0.00 99.87 02:10:23 0 0.32 0.00 0.01 0.02 0.00 99.65 02:10:23 1 0.04 0.00 0.04 0.00 0.00 99.91 02:10:23 2 0.03 0.00 0.04 0.00 0.00 99.92 02:10:23 3 0.01 0.00 0.01 0.00 0.00 99.98 02:20:23 all 0.18 0.00 0.02 0.01 0.00 99.79 02:20:23 0 0.64 0.00 0.03 0.03 0.00 99.30 02:20:23 1 0.02 0.00 0.01 0.00 0.00 99.96 02:20:23 2 0.03 0.00 0.04 0.01 0.01 99.91 02:20:23 3 0.01 0.00 0.01 0.01 0.00 99.97 02:30:01 all 0.13 0.00 0.03 0.02 0.00 99.82 02:30:01 0 0.47 0.00 0.03 0.03 0.00 99.48 02:30:01 1 0.03 0.00 0.04 0.00 0.00 99.92 02:30:01 2 0.02 0.00 0.03 0.03 0.00 99.92 02:30:01 3 0.01 0.00 0.02 0.01 0.00 99.97 02:40:08 all 6.09 0.00 0.44 0.23 0.01 93.23 02:40:08 0 4.77 0.00 0.40 0.05 0.00 94.77 02:40:08 1 4.40 0.00 0.28 0.05 0.01 95.26 02:40:08 2 8.07 0.00 0.57 0.64 0.01 90.72 02:40:08 3 7.13 0.00 0.52 0.17 0.01 92.18 Average: all 1.32 0.00 0.11 0.06 0.00 98.51 Average: 0 1.25 0.00 0.10 0.03 0.00 98.62 Average: 1 0.92 0.00 0.08 0.01 0.00 98.98 Average: 2 1.65 0.00 0.14 0.14 0.00 98.06 Average: 3 1.47 0.00 0.11 0.04 0.00 98.38