---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7251 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 18G 138G 12% / 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 931 19839 4 11321 30693 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:aa:52:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.223/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84705sec preferred_lft 84705sec inet6 fe80::f816:3eff:feaa:52de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:b1:32:c3:3f:76 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7251) 07/09/26 _x86_64_ (8 CPU) 08:38:21 LINUX RESTART (8 CPU) 08:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:06 390.41 4.93 379.62 5.85 270.08 23382.45 12429.50 09:00:09 8.18 0.23 6.83 1.11 2.89 655.39 218.30 Average: 199.61 2.58 193.54 3.49 136.71 12037.74 6334.01 08:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:06 17011456 25796404 6451568 19.63 469340 7856284 9902580 29.20 1465248 13178108 3692 09:00:09 17595688 26531560 5713752 17.39 475844 7986240 8981216 26.48 1503952 12534072 4412 Average: 17303572 26163982 6082660 18.51 472592 7921262 9441898 27.84 1484600 12856090 4052 08:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:06 lo 1.67 1.67 0.97 0.97 0.00 0.00 0.00 0.00 08:50:06 ens3 324.38 192.24 1627.54 69.59 0.00 0.00 0.00 0.00 08:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:09 lo 5.89 5.89 0.98 0.98 0.00 0.00 0.00 0.00 09:00:09 ens3 73.16 43.66 32.30 23.38 0.00 0.00 0.00 0.00 09:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.77 3.77 0.97 0.97 0.00 0.00 0.00 0.00 Average: ens3 198.98 118.07 831.24 46.52 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7251) 07/09/26 _x86_64_ (8 CPU) 08:38:21 LINUX RESTART (8 CPU) 08:40:01 CPU %user %nice %system %iowait %steal %idle 08:50:06 all 67.01 0.00 3.79 0.96 0.14 28.10 08:50:06 0 67.60 0.00 3.71 0.51 0.14 28.04 08:50:06 1 67.23 0.00 4.07 1.89 0.14 26.66 08:50:06 2 64.83 0.00 3.75 0.75 0.14 30.53 08:50:06 3 65.95 0.00 3.79 1.09 0.14 29.04 08:50:06 4 67.97 0.00 3.84 1.21 0.13 26.85 08:50:06 5 66.27 0.00 3.60 0.41 0.13 29.59 08:50:06 6 68.03 0.00 3.89 0.75 0.14 27.18 08:50:06 7 68.21 0.00 3.63 1.11 0.14 26.92 09:00:09 all 96.93 0.00 2.85 0.00 0.16 0.06 09:00:09 0 97.09 0.00 2.71 0.00 0.15 0.04 09:00:09 1 97.07 0.00 2.73 0.00 0.16 0.04 09:00:09 2 96.74 0.00 3.04 0.00 0.16 0.06 09:00:09 3 96.94 0.00 2.84 0.00 0.17 0.06 09:00:09 4 96.70 0.00 3.08 0.00 0.16 0.06 09:00:09 5 97.01 0.00 2.76 0.00 0.16 0.06 09:00:09 6 97.13 0.00 2.65 0.00 0.17 0.05 09:00:09 7 96.79 0.00 2.99 0.00 0.15 0.07 Average: all 81.98 0.00 3.32 0.48 0.15 14.07 Average: 0 82.35 0.00 3.21 0.26 0.14 14.04 Average: 1 82.16 0.00 3.40 0.95 0.15 13.34 Average: 2 80.79 0.00 3.40 0.37 0.15 15.29 Average: 3 81.45 0.00 3.31 0.54 0.15 14.54 Average: 4 82.33 0.00 3.46 0.60 0.15 13.46 Average: 5 81.64 0.00 3.18 0.20 0.15 14.82 Average: 6 82.59 0.00 3.27 0.38 0.16 13.61 Average: 7 82.51 0.00 3.31 0.55 0.15 13.48