---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3797 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: 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 1077 19553 4 11461 30547 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:01:ca:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.173/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84653sec preferred_lft 84653sec inet6 fe80::f816:3eff:fe01:cad1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:1d:2f:0f:f7:7b 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3797) 04/04/26 _x86_64_ (8 CPU) 20:52:28 LINUX RESTART (8 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:00 14.92 0.58 13.31 1.04 14.49 2649.36 420.26 21:20:00 12.67 0.04 10.22 2.40 5.83 3261.73 10467.41 Average: 13.80 0.31 11.77 1.72 10.16 2955.55 5443.92 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:00 17318308 26334988 5908940 17.98 472904 8077972 9334404 27.53 1570500 12761284 2888 21:20:00 16773632 27210160 5026812 15.30 483148 9433020 7829904 23.09 1686548 13119904 602864 Average: 17045970 26772574 5467876 16.64 478026 8755496 8582154 25.31 1628524 12940594 302876 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:00 lo 7.08 7.08 1.91 1.91 0.00 0.00 0.00 0.00 21:10:00 ens3 174.36 113.83 260.66 49.41 0.00 0.00 0.00 0.00 21:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 21:20:00 ens3 127.27 65.76 147.25 35.44 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.06 4.06 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 150.81 89.79 203.96 42.42 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3797) 04/04/26 _x86_64_ (8 CPU) 20:52:28 LINUX RESTART (8 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:00 all 86.10 0.00 2.66 0.01 0.11 11.13 21:10:00 0 84.85 0.00 2.32 0.00 0.11 12.72 21:10:00 1 88.51 0.00 2.55 0.00 0.10 8.83 21:10:00 2 87.14 0.00 2.81 0.01 0.11 9.93 21:10:00 3 84.60 0.00 2.90 0.00 0.11 12.38 21:10:00 4 86.05 0.00 2.86 0.00 0.11 10.98 21:10:00 5 88.67 0.00 2.31 0.02 0.10 8.90 21:10:00 6 84.87 0.00 2.83 0.01 0.11 12.17 21:10:00 7 84.09 0.00 2.66 0.01 0.10 13.15 21:20:00 all 95.36 0.00 3.20 0.01 0.12 1.32 21:20:00 0 95.70 0.00 3.16 0.00 0.12 1.02 21:20:00 1 95.73 0.00 3.06 0.00 0.13 1.09 21:20:00 2 95.36 0.00 2.95 0.02 0.12 1.56 21:20:00 3 94.79 0.00 3.48 0.00 0.13 1.60 21:20:00 4 95.46 0.00 2.94 0.00 0.12 1.48 21:20:00 5 95.40 0.00 3.32 0.02 0.12 1.14 21:20:00 6 95.10 0.00 3.52 0.00 0.12 1.26 21:20:00 7 95.34 0.00 3.14 0.00 0.11 1.40 Average: all 90.73 0.00 2.93 0.01 0.11 6.22 Average: 0 90.28 0.00 2.74 0.00 0.12 6.87 Average: 1 92.12 0.00 2.81 0.00 0.11 4.96 Average: 2 91.25 0.00 2.88 0.01 0.12 5.74 Average: 3 89.70 0.00 3.19 0.00 0.12 6.98 Average: 4 90.76 0.00 2.90 0.00 0.11 6.23 Average: 5 92.04 0.00 2.81 0.02 0.11 5.02 Average: 6 89.99 0.00 3.18 0.01 0.12 6.71 Average: 7 89.72 0.00 2.90 0.01 0.11 7.27