---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3897 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: 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: 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 25G 131G 16% / 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 829 12239 4 19022 30794 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:da:49:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.164/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84480sec preferred_lft 84480sec inet6 fe80::f816:3eff:feda:49e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:aa:4a:5f:b4:b3 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::90aa:4aff:fe5f:b4b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3897) 08/04/26 _x86_64_ (8 CPU) 05:00:33 LINUX RESTART (8 CPU) 05:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:05 128.38 0.39 123.72 4.28 17.35 13079.49 6935.83 05:30:05 9.36 0.02 9.10 0.24 0.60 447.85 4045.28 Average: 69.14 0.20 66.67 2.27 9.01 6792.54 5497.16 05:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:05 1315752 20863920 11288740 34.35 603536 18049372 17485228 51.56 4798576 23088892 764 05:30:05 621112 20259980 11891628 36.19 603892 18134452 17807536 52.51 4837728 23721652 492 Average: 968432 20561950 11590184 35.27 603714 18091912 17646382 52.04 4818152 23405272 628 05:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:05 lo 0.57 0.57 0.18 0.18 0.00 0.00 0.00 0.00 05:20:05 ens3 69.48 53.07 988.04 11.02 0.00 0.00 0.00 0.00 05:20:05 docker0 5.66 7.50 0.31 68.09 0.00 0.00 0.00 0.00 05:20:05 br-7bebf514be3b 0.33 0.30 0.15 0.02 0.00 0.00 0.00 0.00 05:20:05 vethab27013 71.19 75.73 35.81 37.10 0.00 0.00 0.00 0.00 05:20:05 vetheb51453 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 05:20:05 veth743b6be 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 05:20:05 veth363e189 0.46 0.41 0.06 0.26 0.00 0.00 0.00 0.00 05:20:05 veth0346d6b 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:20:05 vethb789fb4 71.67 66.62 49.56 32.73 0.00 0.00 0.00 0.00 05:20:05 veth1585166 2.06 1.64 0.28 1.64 0.00 0.00 0.00 0.00 05:30:05 lo 10.19 10.19 56.46 56.46 0.00 0.00 0.00 0.00 05:30:05 ens3 17.27 11.98 5.87 6.41 0.00 0.00 0.00 0.00 05:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:05 br-7bebf514be3b 5.97 5.49 55.44 1.17 0.00 0.00 0.00 0.00 05:30:05 vethab27013 324.52 350.38 266.67 153.55 0.00 0.00 0.00 0.02 05:30:05 vetheb51453 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:05 veth743b6be 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:05 veth363e189 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 05:30:05 veth0346d6b 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 05:30:05 vethb789fb4 111.26 102.46 98.44 71.63 0.00 0.00 0.00 0.01 05:30:05 veth1585166 247.76 230.47 113.69 198.94 0.00 0.00 0.00 0.02 Average: lo 5.36 5.36 28.19 28.19 0.00 0.00 0.00 0.00 Average: ens3 43.49 32.62 499.20 8.73 0.00 0.00 0.00 0.00 Average: docker0 2.84 3.77 0.15 34.20 0.00 0.00 0.00 0.00 Average: br-7bebf514be3b 3.13 2.88 27.67 0.60 0.00 0.00 0.00 0.00 Average: vethab27013 197.28 212.43 150.71 95.06 0.00 0.00 0.00 0.01 Average: vetheb51453 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth743b6be 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth363e189 0.43 0.31 0.06 0.30 0.00 0.00 0.00 0.00 Average: veth0346d6b 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: vethb789fb4 91.38 84.46 73.89 52.09 0.00 0.00 0.00 0.01 Average: veth1585166 124.35 115.53 56.73 99.84 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3897) 08/04/26 _x86_64_ (8 CPU) 05:00:33 LINUX RESTART (8 CPU) 05:10:00 CPU %user %nice %system %iowait %steal %idle 05:20:05 all 10.79 0.02 1.68 0.35 0.07 87.08 05:20:05 0 10.94 0.01 1.74 0.31 0.08 86.91 05:20:05 1 9.96 0.03 1.76 0.25 0.07 87.92 05:20:05 2 9.67 0.01 1.81 0.39 0.07 88.04 05:20:05 3 11.29 0.02 1.77 0.64 0.08 86.20 05:20:05 4 10.42 0.01 1.69 0.28 0.07 87.52 05:20:05 5 12.26 0.03 1.61 0.34 0.07 85.68 05:20:05 6 10.75 0.03 1.69 0.24 0.07 87.22 05:20:05 7 11.05 0.02 1.37 0.35 0.07 87.14 05:30:05 all 6.78 0.00 1.44 0.02 0.08 91.67 05:30:05 0 6.22 0.00 1.96 0.01 0.08 91.73 05:30:05 1 7.45 0.00 1.55 0.03 0.08 90.89 05:30:05 2 6.93 0.00 1.46 0.02 0.08 91.52 05:30:05 3 6.26 0.00 1.33 0.02 0.09 92.31 05:30:05 4 7.13 0.00 1.35 0.04 0.08 91.40 05:30:05 5 7.68 0.00 1.32 0.05 0.08 90.87 05:30:05 6 6.64 0.00 1.42 0.01 0.08 91.85 05:30:05 7 5.94 0.00 1.15 0.01 0.07 92.83 Average: all 8.80 0.01 1.56 0.19 0.08 89.36 Average: 0 8.60 0.01 1.85 0.16 0.08 89.30 Average: 1 8.72 0.02 1.66 0.14 0.08 89.39 Average: 2 8.31 0.01 1.64 0.20 0.08 89.77 Average: 3 8.79 0.01 1.55 0.33 0.08 89.23 Average: 4 8.79 0.01 1.52 0.16 0.08 89.44 Average: 5 9.99 0.02 1.47 0.20 0.07 88.26 Average: 6 8.71 0.02 1.55 0.13 0.08 89.52 Average: 7 8.51 0.01 1.26 0.18 0.07 89.97