---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2124 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 13G 142G 9% / 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 767 25424 4 5900 30857 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:63:14:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.158/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83995sec preferred_lft 83995sec inet6 fe80::f816:3eff:fe63:14cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:2e:cb:7c:d8:00 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::382e:cbff:fe7c:d800/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2124) 04/16/26 _x86_64_ (8 CPU) 10:19:44 LINUX RESTART (8 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:00 14.07 7.43 6.57 0.08 1261.26 17320.74 736.69 10:40:26 1.16 0.20 0.93 0.03 1.74 14.06 23.95 10:50:26 1.00 0.00 0.98 0.01 0.29 13.65 0.12 Average: 5.36 2.51 2.80 0.04 415.53 5706.23 250.55 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:00 30110932 31743628 643932 1.96 60128 1911040 1512412 4.46 183340 2275568 124 10:40:26 30101520 31735480 651820 1.98 61164 1911084 1513184 4.46 184452 2285276 120 10:50:26 30093732 31728292 658952 2.01 61656 1911176 1521632 4.49 184948 2292556 16 Average: 30102061 31735800 651568 1.98 60983 1911100 1515743 4.47 184247 2284467 87 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:00 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 10:30:00 ens3 27.73 17.06 58.43 3.92 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:26 ens3 0.35 0.22 0.14 0.27 0.00 0.00 0.00 0.00 10:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:26 ens3 0.29 0.21 0.12 0.22 0.00 0.00 0.00 0.00 10:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 9.34 5.76 19.30 1.45 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-2124) 04/16/26 _x86_64_ (8 CPU) 10:19:44 LINUX RESTART (8 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:00 all 0.36 0.00 0.10 0.43 0.01 99.10 10:30:00 0 0.43 0.00 0.08 0.72 0.01 98.75 10:30:00 1 0.49 0.00 0.08 0.08 0.01 99.34 10:30:00 2 0.53 0.00 0.08 1.06 0.01 98.32 10:30:00 3 0.20 0.00 0.08 0.06 0.01 99.66 10:30:00 4 0.20 0.00 0.10 0.04 0.01 99.66 10:30:00 5 0.24 0.00 0.22 1.34 0.01 98.18 10:30:00 6 0.40 0.00 0.08 0.10 0.00 99.42 10:30:00 7 0.40 0.00 0.07 0.04 0.01 99.48 10:40:26 all 0.10 0.00 0.01 0.03 0.01 99.85 10:40:26 0 0.01 0.00 0.01 0.13 0.01 99.85 10:40:26 1 0.71 0.00 0.04 0.09 0.02 99.13 10:40:26 2 0.03 0.00 0.02 0.01 0.01 99.93 10:40:26 3 0.02 0.00 0.00 0.00 0.01 99.97 10:40:26 4 0.01 0.00 0.01 0.00 0.00 99.98 10:40:26 5 0.01 0.00 0.01 0.00 0.00 99.98 10:40:26 6 0.00 0.00 0.00 0.01 0.00 99.98 10:40:26 7 0.01 0.00 0.01 0.00 0.00 99.97 10:50:26 all 0.05 0.00 0.01 0.01 0.01 99.92 10:50:26 0 0.01 0.00 0.01 0.00 0.00 99.98 10:50:26 1 0.33 0.00 0.05 0.01 0.03 99.59 10:50:26 2 0.02 0.00 0.01 0.01 0.01 99.95 10:50:26 3 0.02 0.00 0.01 0.00 0.01 99.97 10:50:26 4 0.01 0.00 0.01 0.00 0.00 99.99 10:50:26 5 0.01 0.00 0.01 0.00 0.00 99.98 10:50:26 6 0.00 0.00 0.00 0.00 0.00 99.99 10:50:26 7 0.01 0.00 0.01 0.04 0.01 99.93 Average: all 0.17 0.00 0.04 0.15 0.01 99.63 Average: 0 0.15 0.00 0.03 0.28 0.01 99.53 Average: 1 0.51 0.00 0.06 0.06 0.02 99.35 Average: 2 0.19 0.00 0.04 0.35 0.01 99.41 Average: 3 0.08 0.00 0.03 0.02 0.01 99.87 Average: 4 0.07 0.00 0.04 0.01 0.00 99.88 Average: 5 0.09 0.00 0.08 0.44 0.01 99.39 Average: 6 0.13 0.00 0.03 0.04 0.00 99.80 Average: 7 0.14 0.00 0.03 0.02 0.01 99.80