---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8685 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 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 854 12076 4 19161 30770 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:21:14:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.105/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84468sec preferred_lft 84468sec inet6 fe80::f816:3eff:fe21:1417/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:83:28:34:de:2a 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::5083:28ff:fe34:de2a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8685) 07/10/26 _x86_64_ (8 CPU) 20:02:55 LINUX RESTART (8 CPU) 20:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:14 215.81 0.42 208.21 7.17 20.04 40026.13 44598.98 20:30:01 39.33 0.11 11.47 27.75 4.16 506.78 549778.37 Average: 128.63 0.27 111.02 17.34 12.20 20504.32 294147.99 20:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:14 1846008 21505060 10646676 32.40 599660 18162064 16415252 48.41 4840740 22472864 504 20:30:01 687684 20450624 11699452 35.60 601016 18259348 17488152 51.57 4892488 23567836 1692 Average: 1266846 20977842 11173064 34.00 600338 18210706 16951702 49.99 4866614 23020350 1098 20:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:14 lo 0.60 0.60 0.04 0.04 0.00 0.00 0.00 0.00 20:20:14 ens3 218.76 135.74 1875.75 42.14 0.00 0.00 0.00 0.00 20:20:14 docker0 15.54 32.48 0.94 591.65 0.00 0.00 0.00 0.00 20:20:14 br-02623139f654 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 20:20:14 veth93174da 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 20:20:14 veth9fcfe17 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 20:20:14 vethb65bc07 0.36 0.37 0.04 0.17 0.00 0.00 0.00 0.00 20:20:14 vethaa13dde 28.54 29.27 8.44 7.57 0.00 0.00 0.00 0.00 20:20:14 veth3a45f7a 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 20:20:14 veth1ef3eb7 24.04 23.28 8.04 4.80 0.00 0.00 0.00 0.00 20:20:14 vethcfedc7a 0.23 0.34 0.35 1.50 0.00 0.00 0.00 0.00 20:20:14 veth31f920c 1.35 1.12 0.19 1.19 0.00 0.00 0.00 0.00 20:30:01 lo 7.73 7.73 37.09 37.09 0.00 0.00 0.00 0.00 20:30:01 ens3 23.31 14.35 7.24 6.53 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 20:30:01 br-02623139f654 4.28 4.01 36.24 0.92 0.00 0.00 0.00 0.00 20:30:01 veth93174da 0.23 0.20 0.03 0.09 0.00 0.00 0.00 0.00 20:30:01 veth9fcfe17 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 vethb65bc07 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 20:30:01 vethaa13dde 307.39 332.39 243.02 157.80 0.00 0.00 0.00 0.02 20:30:01 veth3a45f7a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 veth1ef3eb7 131.76 120.38 113.45 77.82 0.00 0.00 0.00 0.01 20:30:01 veth31f920c 209.03 194.67 95.51 169.40 0.00 0.00 0.00 0.01 Average: lo 4.12 4.12 18.34 18.34 0.00 0.00 0.00 0.00 Average: ens3 122.21 75.78 952.74 24.55 0.00 0.00 0.00 0.00 Average: docker0 7.86 16.44 0.48 299.39 0.00 0.00 0.00 0.00 Average: br-02623139f654 2.27 2.11 17.91 0.46 0.00 0.00 0.00 0.00 Average: veth93174da 0.13 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth9fcfe17 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb65bc07 0.38 0.29 0.05 0.26 0.00 0.00 0.00 0.00 Average: vethaa13dde 166.29 179.00 124.32 81.78 0.00 0.00 0.00 0.01 Average: veth3a45f7a 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1ef3eb7 77.25 71.25 60.11 40.87 0.00 0.00 0.00 0.00 Average: veth31f920c 103.94 96.73 47.27 84.29 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8685) 07/10/26 _x86_64_ (8 CPU) 20:02:55 LINUX RESTART (8 CPU) 20:10:13 CPU %user %nice %system %iowait %steal %idle 20:20:14 all 16.92 0.02 2.58 0.74 0.07 79.67 20:20:14 0 15.70 0.01 2.35 0.86 0.07 81.00 20:20:14 1 18.41 0.04 2.65 0.41 0.07 78.41 20:20:14 2 15.68 0.02 2.50 0.72 0.07 81.01 20:20:14 3 18.93 0.01 2.71 0.48 0.07 77.81 20:20:14 4 16.77 0.03 2.73 0.54 0.07 79.86 20:20:14 5 15.69 0.01 2.61 0.64 0.07 80.98 20:20:14 6 17.74 0.00 2.48 1.40 0.07 78.30 20:20:14 7 16.41 0.03 2.59 0.89 0.07 80.02 20:30:01 all 7.34 0.00 1.23 0.44 0.07 90.91 20:30:01 0 7.49 0.00 1.32 0.04 0.07 91.08 20:30:01 1 7.18 0.00 1.29 1.21 0.07 90.25 20:30:01 2 7.85 0.00 1.36 0.65 0.07 90.07 20:30:01 3 7.28 0.00 1.14 0.68 0.07 90.83 20:30:01 4 6.82 0.00 1.19 0.58 0.07 91.35 20:30:01 5 7.19 0.00 1.20 0.11 0.07 91.43 20:30:01 6 7.43 0.00 1.23 0.22 0.07 91.06 20:30:01 7 7.53 0.00 1.11 0.05 0.07 91.25 Average: all 12.20 0.01 1.91 0.59 0.07 85.21 Average: 0 11.66 0.01 1.85 0.45 0.07 85.96 Average: 1 12.87 0.02 1.98 0.80 0.07 84.25 Average: 2 11.82 0.01 1.94 0.69 0.07 85.47 Average: 3 13.20 0.00 1.94 0.58 0.07 84.22 Average: 4 11.87 0.01 1.97 0.56 0.07 85.51 Average: 5 11.50 0.01 1.91 0.38 0.07 86.13 Average: 6 12.66 0.00 1.86 0.82 0.07 84.59 Average: 7 12.03 0.01 1.86 0.47 0.07 85.55