---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-36032 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 144G 8% / 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 884 24745 4 6462 30740 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:a0:91:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84355sec preferred_lft 84355sec inet6 fe80::f816:3eff:fea0:9148/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:8a:ab:48:62:d6 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-36032) 07/15/26 _x86_64_ (8 CPU) 11:00:24 LINUX RESTART (8 CPU) 11:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 46.25 0.13 27.14 18.99 5.53 2294.38 532958.12 11:30:11 33.01 0.01 28.78 4.21 0.14 3089.41 18396.34 Average: 39.52 0.07 27.97 11.48 2.79 2698.50 271403.22 11:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 25099012 29079860 3226644 9.82 187632 3986728 3291360 9.71 846384 6438116 43208 11:30:11 24223848 28849904 3451808 10.50 216028 4555380 3510716 10.35 987216 7118244 114240 Average: 24661430 28964882 3339226 10.16 201830 4271054 3401038 10.03 916800 6778180 78724 11:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1698.65 1698.65 1617.18 1617.18 0.00 0.00 0.00 0.00 11:20:01 ens3 18.06 15.64 8.93 5.53 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:11 lo 1789.76 1789.76 1704.46 1704.46 0.00 0.00 0.00 0.00 11:30:11 ens3 23.66 19.66 9.28 6.91 0.00 0.00 0.00 0.00 11:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1744.96 1744.96 1661.54 1661.54 0.00 0.00 0.00 0.00 Average: ens3 20.90 17.68 9.11 6.23 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-36032) 07/15/26 _x86_64_ (8 CPU) 11:00:24 LINUX RESTART (8 CPU) 11:10:11 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 35.78 0.00 1.62 0.07 0.08 62.44 11:20:01 0 33.67 0.00 1.47 0.04 0.08 64.74 11:20:01 1 36.04 0.00 1.57 0.04 0.09 62.27 11:20:01 2 35.40 0.00 1.71 0.17 0.09 62.64 11:20:01 3 38.01 0.00 1.47 0.03 0.09 60.40 11:20:01 4 35.84 0.00 1.44 0.04 0.08 62.59 11:20:01 5 36.55 0.00 1.87 0.14 0.09 61.35 11:20:01 6 35.62 0.00 1.66 0.04 0.08 62.61 11:20:01 7 35.12 0.00 1.80 0.05 0.08 62.95 11:30:11 all 37.48 0.00 1.83 0.07 0.09 60.53 11:30:11 0 35.86 0.00 1.69 0.07 0.09 62.28 11:30:11 1 40.48 0.00 2.04 0.03 0.09 57.36 11:30:11 2 38.37 0.00 1.93 0.04 0.09 59.57 11:30:11 3 38.59 0.00 2.14 0.04 0.09 59.14 11:30:11 4 35.72 0.00 1.66 0.09 0.09 62.45 11:30:11 5 40.14 0.00 1.75 0.16 0.10 57.85 11:30:11 6 35.90 0.00 1.79 0.04 0.09 62.18 11:30:11 7 34.80 0.00 1.65 0.05 0.09 63.41 Average: all 36.64 0.00 1.73 0.07 0.09 61.47 Average: 0 34.78 0.00 1.58 0.06 0.09 63.49 Average: 1 38.29 0.00 1.81 0.03 0.09 59.78 Average: 2 36.91 0.00 1.82 0.10 0.09 61.08 Average: 3 38.30 0.00 1.81 0.04 0.09 59.76 Average: 4 35.78 0.00 1.55 0.06 0.09 62.52 Average: 5 38.37 0.00 1.81 0.15 0.09 59.57 Average: 6 35.76 0.00 1.72 0.04 0.08 62.39 Average: 7 34.96 0.00 1.72 0.05 0.08 63.19