---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4325 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 23G 133G 15% / 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 847 14416 4 16828 30777 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:50:1e:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.126/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84848sec preferred_lft 84848sec inet6 fe80::f816:3eff:fe50:1e9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:03:1e:ae:7b:aa 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::d403:1eff:feae:7baa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4325) 04/21/26 _x86_64_ (8 CPU) 10:58:01 LINUX RESTART (8 CPU) 11:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:00 27.20 2.30 23.87 1.02 749.48 12898.12 25245.89 11:20:16 297.05 0.43 288.41 8.20 6.09 40496.30 44410.95 Average: 167.21 1.33 161.13 4.75 363.77 27217.28 35189.58 11:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:00 22927848 29831476 2467212 7.51 145288 6911900 2652088 7.82 1541140 7815468 358280 11:20:16 13643360 29494912 2727640 8.30 447356 14749924 2802716 8.26 4570168 13191336 62704 Average: 18285604 29663194 2597426 7.90 296322 10830912 2727402 8.04 3055654 10503402 210492 11:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:00 lo 5.15 5.15 2.09 2.09 0.00 0.00 0.00 0.00 11:10:00 ens3 91.96 69.65 1139.41 13.43 0.00 0.00 0.00 0.00 11:10:00 docker0 1.27 1.49 0.07 41.75 0.00 0.00 0.00 0.00 11:10:00 veth2322b90 1.27 1.50 0.09 41.75 0.00 0.00 0.00 0.00 11:20:16 lo 1.18 1.18 0.26 0.26 0.00 0.00 0.00 0.00 11:20:16 ens3 133.29 100.96 1911.22 14.58 0.00 0.00 0.00 0.00 11:20:16 docker0 9.69 13.45 1.10 188.02 0.00 0.00 0.00 0.00 11:20:16 veth75dc21c 3.85 5.69 0.55 34.02 0.00 0.00 0.00 0.00 Average: lo 3.09 3.09 1.14 1.14 0.00 0.00 0.00 0.00 Average: ens3 113.40 85.89 1539.86 14.02 0.00 0.00 0.00 0.00 Average: docker0 5.64 7.70 0.61 117.64 0.00 0.00 0.00 0.00 Average: veth75dc21c 2.00 2.95 0.29 17.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4325) 04/21/26 _x86_64_ (8 CPU) 10:58:01 LINUX RESTART (8 CPU) 11:00:28 CPU %user %nice %system %iowait %steal %idle 11:10:00 all 37.97 0.00 1.25 0.28 0.08 60.42 11:10:00 0 37.74 0.00 1.50 0.25 0.08 60.42 11:10:00 1 40.77 0.00 1.25 0.08 0.09 57.82 11:10:00 2 38.40 0.00 1.08 0.41 0.07 60.04 11:10:00 3 37.63 0.00 1.46 0.12 0.08 60.71 11:10:00 4 40.60 0.00 1.24 0.20 0.09 57.87 11:10:00 5 34.04 0.00 1.02 0.43 0.08 64.43 11:10:00 6 40.64 0.00 1.21 0.21 0.08 57.86 11:10:00 7 33.90 0.00 1.23 0.55 0.08 64.25 11:20:16 all 13.95 0.00 2.72 0.93 0.06 82.34 11:20:16 0 13.87 0.00 3.74 1.16 0.06 81.17 11:20:16 1 20.56 0.00 3.13 0.84 0.07 75.40 11:20:16 2 11.52 0.00 2.31 1.06 0.06 85.05 11:20:16 3 13.31 0.00 2.72 0.86 0.06 83.05 11:20:16 4 9.92 0.00 2.31 1.19 0.06 86.53 11:20:16 5 13.72 0.00 2.05 0.41 0.06 83.76 11:20:16 6 15.06 0.00 2.84 0.71 0.06 81.34 11:20:16 7 13.65 0.00 2.63 1.21 0.06 82.45 Average: all 25.52 0.00 2.01 0.62 0.07 71.78 Average: 0 25.37 0.00 2.66 0.72 0.07 71.17 Average: 1 30.30 0.00 2.22 0.47 0.08 66.93 Average: 2 24.47 0.00 1.72 0.74 0.07 73.00 Average: 3 25.03 0.00 2.11 0.50 0.07 72.29 Average: 4 24.70 0.00 1.80 0.71 0.07 72.72 Average: 5 23.52 0.00 1.55 0.42 0.07 74.43 Average: 6 27.39 0.00 2.05 0.47 0.07 70.02 Average: 7 23.40 0.00 1.95 0.89 0.07 73.68