---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2768 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 137G 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 934 19310 4 11847 30689 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:e7:ce:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.20/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fee7:ce9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f6:0e:2e:69:bc 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::44f6:eff:fe2e:69bc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2768) 10/18/26 _x86_64_ (8 CPU) 09:51:30 LINUX RESTART (8 CPU) 10:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:20 13.31 0.24 12.06 1.01 3.33 2194.09 1674.95 10:20:01 41.28 0.41 17.76 23.11 57.37 5112.75 524111.29 Average: 27.06 0.32 14.86 11.88 29.91 3629.56 258623.11 10:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:20 15525132 24554340 7687072 23.39 472416 8086628 10745384 31.69 1543648 14564180 3188 10:20:01 16168592 26479732 5757620 17.52 483788 9311464 6189200 18.25 1682520 13736536 3048 Average: 15846862 25517036 6722346 20.46 478102 8699046 8467292 24.97 1613084 14150358 3118 10:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:20 lo 6.22 6.22 1.03 1.03 0.00 0.00 0.00 0.00 10:10:20 ens3 172.26 114.93 212.86 66.00 0.00 0.00 0.00 0.00 10:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1.74 1.74 0.29 0.29 0.00 0.00 0.00 0.00 10:20:01 ens3 71.07 34.07 464.04 18.51 0.00 0.00 0.00 0.00 10:20:01 docker0 0.28 0.29 0.14 0.05 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 0.66 0.66 0.00 0.00 0.00 0.00 Average: ens3 122.49 75.16 336.40 42.64 0.00 0.00 0.00 0.00 Average: docker0 0.14 0.14 0.07 0.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2768) 10/18/26 _x86_64_ (8 CPU) 09:51:30 LINUX RESTART (8 CPU) 10:00:20 CPU %user %nice %system %iowait %steal %idle 10:10:20 all 84.42 0.00 2.99 0.00 0.02 12.56 10:10:20 0 81.67 0.00 3.15 0.01 0.04 15.13 10:10:20 1 83.47 0.00 3.26 0.00 0.03 13.24 10:10:20 2 83.34 0.00 3.07 0.00 0.03 13.56 10:10:20 3 84.10 0.00 2.96 0.00 0.04 12.90 10:10:20 4 89.74 0.00 2.82 0.01 0.01 7.42 10:10:20 5 82.45 0.00 2.99 0.00 0.01 14.55 10:10:20 6 86.74 0.00 2.74 0.01 0.01 10.50 10:10:20 7 83.85 0.00 2.94 0.00 0.01 13.20 10:20:01 all 96.39 0.00 3.44 0.00 0.03 0.14 10:20:01 0 96.63 0.00 3.21 0.01 0.02 0.14 10:20:01 1 96.14 0.00 3.66 0.01 0.04 0.15 10:20:01 2 96.14 0.00 3.70 0.00 0.05 0.11 10:20:01 3 96.35 0.00 3.46 0.00 0.05 0.14 10:20:01 4 96.14 0.00 3.68 0.00 0.03 0.15 10:20:01 5 96.46 0.00 3.39 0.00 0.01 0.14 10:20:01 6 96.70 0.00 3.17 0.00 0.01 0.12 10:20:01 7 96.54 0.00 3.29 0.00 0.01 0.15 Average: all 90.31 0.00 3.21 0.00 0.03 6.45 Average: 0 89.03 0.00 3.18 0.01 0.03 7.76 Average: 1 89.70 0.00 3.46 0.01 0.03 6.80 Average: 2 89.64 0.00 3.38 0.00 0.04 6.94 Average: 3 90.13 0.00 3.21 0.00 0.04 6.62 Average: 4 92.89 0.00 3.24 0.00 0.02 3.84 Average: 5 89.34 0.00 3.18 0.00 0.01 7.46 Average: 6 91.64 0.00 2.95 0.01 0.01 5.39 Average: 7 90.09 0.00 3.11 0.00 0.01 6.78