---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7803 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 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 830 16373 4 14888 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:e2:31:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.24/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84987sec preferred_lft 84987sec inet6 fe80::f816:3eff:fee2:317a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:d3:f1:b6:85:3e 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::24d3:f1ff:feb6:853e/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-7803) 07/10/26 _x86_64_ (8 CPU) 10:07:25 LINUX RESTART (8 CPU) 10:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:06 271.82 3.54 254.43 13.85 423.39 45625.87 62783.37 10:30:07 57.58 0.27 54.05 3.26 7.77 4767.57 13535.25 Average: 164.01 1.90 153.60 8.52 214.24 25065.08 38000.64 10:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:06 14545732 28350640 3883736 11.82 235964 13453172 10577916 31.19 3255032 14154984 356 10:30:07 16802248 31573908 674832 2.05 264596 14320380 1924076 5.67 3401352 11709648 29376 Average: 15673990 29962274 2279284 6.94 250280 13886776 6250996 18.43 3328192 12932316 14866 10:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:06 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 10:20:06 ens3 248.61 156.75 3568.68 35.05 0.00 0.00 0.00 0.00 10:20:06 docker0 4.25 5.49 0.23 104.33 0.00 0.00 0.00 0.00 10:20:06 br-00520f5be9bb 1.48 3.43 0.11 35.43 0.00 0.00 0.00 0.00 10:20:06 vetha2c8dc7 0.63 0.75 0.08 2.76 0.00 0.00 0.00 0.00 10:20:06 veth9a1589d 0.15 0.28 0.01 0.04 0.00 0.00 0.00 0.00 10:20:06 veth89122f7 9.07 12.93 1.34 1.50 0.00 0.00 0.00 0.00 10:20:06 vetha7a3d4b 2.30 2.58 0.38 0.41 0.00 0.00 0.00 0.00 10:20:06 veth304e4c0 1.21 3.39 0.10 35.36 0.00 0.00 0.00 0.00 10:20:06 veth40bc515 2.79 2.13 0.81 0.30 0.00 0.00 0.00 0.00 10:20:06 vetheab14fc 2.53 1.94 0.76 0.27 0.00 0.00 0.00 0.00 10:20:06 vethdea3e65 2.76 2.10 0.79 0.29 0.00 0.00 0.00 0.00 10:20:06 veth98f4751 2.64 2.02 0.74 0.28 0.00 0.00 0.00 0.00 10:20:06 veth771ef9f 2.39 1.83 0.71 0.26 0.00 0.00 0.00 0.00 10:20:06 veth04605fd 2.25 2.31 0.69 0.29 0.00 0.00 0.00 0.00 10:20:06 vethf8914b9 0.38 0.35 0.16 0.15 0.00 0.00 0.00 0.00 10:30:07 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:30:07 ens3 16.65 11.80 229.82 6.10 0.00 0.00 0.00 0.00 10:30:07 docker0 4.05 7.03 0.39 151.25 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 131.89 83.81 1888.49 20.48 0.00 0.00 0.00 0.00 Average: docker0 4.15 6.26 0.31 127.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7803) 07/10/26 _x86_64_ (8 CPU) 10:07:25 LINUX RESTART (8 CPU) 10:10:12 CPU %user %nice %system %iowait %steal %idle 10:20:06 all 12.66 0.00 3.06 10.22 0.12 73.94 10:20:06 0 11.70 0.00 3.41 9.07 0.12 75.71 10:20:06 1 13.00 0.00 3.02 8.89 0.12 74.96 10:20:06 2 11.57 0.00 2.97 10.22 0.11 75.13 10:20:06 3 12.76 0.00 3.18 12.41 0.13 71.52 10:20:06 4 11.86 0.00 3.03 5.93 0.11 79.07 10:20:06 5 14.22 0.00 3.04 11.12 0.12 71.50 10:20:06 6 14.08 0.00 2.87 9.54 0.12 73.39 10:20:06 7 12.08 0.00 2.98 14.57 0.12 70.25 10:30:07 all 10.78 0.00 1.66 2.59 0.14 84.84 10:30:07 0 11.49 0.00 1.91 1.23 0.15 85.22 10:30:07 1 10.65 0.00 1.76 2.59 0.14 84.85 10:30:07 2 10.56 0.00 1.61 0.96 0.14 86.73 10:30:07 3 9.40 0.00 1.54 1.19 0.14 87.73 10:30:07 4 10.58 0.00 1.56 0.95 0.14 86.78 10:30:07 5 11.25 0.00 1.69 4.36 0.14 82.56 10:30:07 6 10.90 0.00 1.52 5.15 0.14 82.29 10:30:07 7 11.38 0.00 1.66 4.28 0.14 82.54 Average: all 11.71 0.00 2.35 6.37 0.13 79.43 Average: 0 11.60 0.00 2.65 5.12 0.13 80.50 Average: 1 11.82 0.00 2.39 5.72 0.13 79.95 Average: 2 11.06 0.00 2.29 5.56 0.12 80.97 Average: 3 11.07 0.00 2.35 6.76 0.14 79.68 Average: 4 11.21 0.00 2.29 3.42 0.13 82.95 Average: 5 12.73 0.00 2.36 7.72 0.13 77.07 Average: 6 12.48 0.00 2.19 7.33 0.13 77.87 Average: 7 11.73 0.00 2.32 9.39 0.13 76.44