---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4841 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 22G 134G 14% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 813 16312 4 14967 30811 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:26:98:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.149/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84858sec preferred_lft 84858sec inet6 fe80::f816:3eff:fe26:98ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:84:94:9c:89:16 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 inet6 fe80::a484:94ff:fe9c:8916/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4841) 08/07/26 _x86_64_ (8 CPU) 14:36:03 LINUX RESTART (8 CPU) 14:40:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:12 2.02 0.20 1.81 0.01 6.45 22.39 233.89 15:00:03 347.38 6.73 326.36 14.29 706.15 51271.72 70006.19 Average: 177.98 3.53 167.17 7.28 362.96 26134.94 35784.26 14:40:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:12 30105780 31764568 622956 1.90 59976 1937304 1517716 4.48 181624 2304760 48 15:00:03 15987704 30467728 1768108 5.38 250768 14076104 7356420 21.69 3271900 12656680 48200 Average: 23046742 31116148 1195532 3.64 155372 8006704 4437068 13.08 1726762 7480720 24124 14:40:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:12 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:50:12 ens3 1.32 1.01 0.83 0.80 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:03 lo 2.06 2.06 0.20 0.20 0.00 0.00 0.00 0.00 15:00:03 ens3 291.60 187.46 4356.04 37.12 0.00 0.00 0.00 0.00 15:00:03 docker0 7.66 12.57 0.58 259.01 0.00 0.00 0.00 0.00 15:00:03 br-4d1d30b433a4 1.74 2.78 0.12 35.58 0.00 0.00 0.00 0.00 15:00:03 vethda9952a 2.75 3.49 0.81 0.54 0.00 0.00 0.00 0.00 15:00:03 vethb607a2e 0.10 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:00:03 veth4980770 0.07 0.19 0.00 0.01 0.00 0.00 0.00 0.00 15:00:03 vethc09b085 0.01 0.14 0.00 0.01 0.00 0.00 0.00 0.00 15:00:03 veth8776cca 1.33 2.68 0.11 35.45 0.00 0.00 0.00 0.00 15:00:03 veth8cd75cc 0.33 0.25 0.04 0.13 0.00 0.00 0.00 0.00 15:00:03 veth823515d 0.33 0.25 0.04 0.14 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 149.22 96.01 2219.90 19.31 0.00 0.00 0.00 0.00 Average: docker0 3.90 6.41 0.30 131.97 0.00 0.00 0.00 0.00 Average: br-4d1d30b433a4 0.89 1.42 0.06 18.13 0.00 0.00 0.00 0.00 Average: vethda9952a 1.40 1.78 0.41 0.27 0.00 0.00 0.00 0.00 Average: vethb607a2e 0.05 0.14 0.01 0.01 0.00 0.00 0.00 0.00 Average: veth4980770 0.03 0.10 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc09b085 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8776cca 0.68 1.36 0.06 18.06 0.00 0.00 0.00 0.00 Average: veth8cd75cc 0.17 0.13 0.02 0.07 0.00 0.00 0.00 0.00 Average: veth823515d 0.17 0.13 0.02 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4841) 08/07/26 _x86_64_ (8 CPU) 14:36:03 LINUX RESTART (8 CPU) 14:40:43 CPU %user %nice %system %iowait %steal %idle 14:50:12 all 0.08 0.00 0.02 0.01 0.01 99.88 14:50:12 0 0.03 0.00 0.02 0.00 0.01 99.94 14:50:12 1 0.31 0.00 0.03 0.04 0.03 99.59 14:50:12 2 0.07 0.00 0.02 0.00 0.01 99.89 14:50:12 3 0.06 0.00 0.02 0.00 0.01 99.91 14:50:12 4 0.01 0.00 0.01 0.00 0.01 99.97 14:50:12 5 0.13 0.00 0.02 0.01 0.01 99.83 14:50:12 6 0.04 0.00 0.01 0.00 0.00 99.95 14:50:12 7 0.03 0.00 0.01 0.00 0.00 99.96 15:00:03 all 14.48 0.00 3.19 2.34 0.07 79.92 15:00:03 0 15.43 0.00 3.56 2.11 0.07 78.83 15:00:03 1 12.81 0.00 2.99 3.15 0.07 80.97 15:00:03 2 14.83 0.00 2.82 1.15 0.06 81.14 15:00:03 3 12.86 0.00 3.41 3.40 0.06 80.27 15:00:03 4 13.82 0.00 3.22 2.83 0.06 80.07 15:00:03 5 13.40 0.00 3.05 2.35 0.07 81.13 15:00:03 6 16.20 0.00 2.74 1.07 0.06 79.93 15:00:03 7 16.52 0.00 3.71 2.64 0.07 77.05 Average: all 7.40 0.00 1.63 1.19 0.04 89.74 Average: 0 7.86 0.00 1.82 1.07 0.04 89.21 Average: 1 6.67 0.00 1.54 1.62 0.05 90.12 Average: 2 7.58 0.00 1.44 0.59 0.04 90.34 Average: 3 6.56 0.00 1.74 1.73 0.04 89.93 Average: 4 7.02 0.00 1.64 1.44 0.04 89.87 Average: 5 6.87 0.00 1.56 1.20 0.04 90.33 Average: 6 8.25 0.00 1.40 0.54 0.03 89.78 Average: 7 8.40 0.00 1.89 1.34 0.04 88.33