---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3579 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 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 905 24887 4 6299 30718 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:8f:e6:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84377sec preferred_lft 84377sec inet6 fe80::f816:3eff:fe8f:e6a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:d6:87:68:a7:15 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-3579) 04/16/26 _x86_64_ (8 CPU) 08:28:51 LINUX RESTART (8 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 42.81 3.51 36.31 2.99 179.93 6254.12 9458.77 08:50:00 36.41 0.11 31.60 4.69 5.19 2549.59 16334.32 09:00:00 32.05 0.02 27.93 4.11 0.81 2888.81 14838.57 Average: 37.09 1.21 31.95 3.93 61.98 3897.51 13543.89 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 25626656 29119836 3189252 9.70 155820 3574144 3338116 9.84 704852 6100744 7060 08:50:00 25586832 29494484 2809768 8.55 195976 3907180 2757116 8.13 822888 5961588 12692 09:00:00 24334308 28910140 3390364 10.32 218092 4507540 3277668 9.67 969660 7030320 170804 Average: 25182599 29174820 3129795 9.52 189963 3996288 3124300 9.21 832467 6364217 63519 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 838.33 838.33 797.10 797.10 0.00 0.00 0.00 0.00 08:40:00 ens3 107.19 81.61 1022.07 14.55 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 2106.67 2106.67 2006.84 2006.84 0.00 0.00 0.00 0.00 08:50:00 ens3 20.99 18.00 8.72 5.99 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 1661.64 1661.64 1582.28 1582.28 0.00 0.00 0.00 0.00 09:00:00 ens3 24.96 20.63 9.33 6.99 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1535.55 1535.55 1462.07 1462.07 0.00 0.00 0.00 0.00 Average: ens3 51.05 40.08 346.71 9.18 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-3579) 04/16/26 _x86_64_ (8 CPU) 08:28:51 LINUX RESTART (8 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 38.79 0.00 1.57 0.33 0.09 59.21 08:40:00 0 38.13 0.00 1.41 0.09 0.09 60.28 08:40:00 1 36.89 0.00 1.70 0.08 0.09 61.24 08:40:00 2 38.19 0.00 1.57 1.41 0.09 58.74 08:40:00 3 36.32 0.00 1.64 0.46 0.09 61.49 08:40:00 4 37.56 0.00 1.32 0.07 0.09 60.95 08:40:00 5 37.90 0.00 1.26 0.10 0.08 60.66 08:40:00 6 45.96 0.00 1.98 0.20 0.10 51.76 08:40:00 7 39.41 0.00 1.71 0.24 0.09 58.54 08:50:00 all 38.29 0.00 1.76 0.08 0.08 59.79 08:50:00 0 35.14 0.00 1.71 0.06 0.08 63.01 08:50:00 1 37.53 0.00 1.90 0.08 0.08 60.42 08:50:00 2 41.18 0.00 1.89 0.07 0.09 56.77 08:50:00 3 41.11 0.00 1.62 0.06 0.08 57.13 08:50:00 4 34.70 0.00 1.83 0.16 0.08 63.23 08:50:00 5 37.72 0.00 1.85 0.04 0.08 60.31 08:50:00 6 39.76 0.00 1.40 0.14 0.08 58.63 08:50:00 7 39.20 0.00 1.86 0.06 0.08 58.80 09:00:00 all 37.24 0.00 1.73 0.44 0.09 60.51 09:00:00 0 34.95 0.00 1.79 0.05 0.08 63.12 09:00:00 1 39.34 0.00 1.63 0.06 0.09 58.88 09:00:00 2 38.55 0.00 1.98 1.12 0.09 58.26 09:00:00 3 40.40 0.00 1.78 0.06 0.10 57.66 09:00:00 4 38.92 0.00 1.78 2.00 0.09 57.21 09:00:00 5 36.47 0.00 1.71 0.08 0.09 61.65 09:00:00 6 36.34 0.00 1.50 0.06 0.08 62.01 09:00:00 7 32.93 0.00 1.67 0.05 0.08 65.28 Average: all 38.11 0.00 1.69 0.28 0.09 59.84 Average: 0 36.07 0.00 1.64 0.07 0.08 62.13 Average: 1 37.92 0.00 1.74 0.07 0.08 60.18 Average: 2 39.31 0.00 1.81 0.87 0.09 57.92 Average: 3 39.27 0.00 1.68 0.19 0.09 58.76 Average: 4 37.06 0.00 1.64 0.75 0.08 60.47 Average: 5 37.36 0.00 1.61 0.07 0.08 60.87 Average: 6 40.68 0.00 1.63 0.13 0.09 57.47 Average: 7 37.18 0.00 1.75 0.12 0.08 60.87