---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4719 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 14G 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 778 24784 4 6529 30846 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:bc:9c:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.163/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82342sec preferred_lft 82342sec inet6 fe80::f816:3eff:febc:9c77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:81:fc:4e:bd:59 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::c081:fcff:fe4e:bd59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4719) 04/08/26 _x86_64_ (8 CPU) 14:13:53 LINUX RESTART (8 CPU) 14:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:00 1.49 0.37 1.11 0.02 7.91 14.16 25.21 14:40:13 14.66 0.01 1.11 13.55 0.17 13.51 498159.56 14:50:13 1.09 0.00 1.09 0.00 0.00 13.12 0.00 15:00:01 1.00 0.00 1.00 0.00 0.00 12.21 0.00 15:10:13 1.12 0.00 1.12 0.00 0.00 13.51 0.00 15:20:13 150.17 4.50 142.01 3.66 637.51 17039.24 6857.71 Average: 28.22 0.81 24.50 2.91 107.26 2842.30 85700.38 14:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:00 30126428 31758064 628796 1.91 60780 1909104 1512012 4.46 184152 2277800 136 14:40:13 30106636 31748732 637492 1.94 61368 1918936 1512204 4.46 194556 2287160 176 14:50:13 30099112 31741792 644428 1.96 61784 1919068 1520460 4.48 194984 2293976 12 15:00:01 30096088 31739156 647260 1.97 62160 1919080 1520592 4.48 195360 2301468 56 15:10:13 30088544 31731936 654708 1.99 62520 1919052 1520656 4.48 195656 2310796 304 15:20:13 24130772 30492960 1769200 5.38 181796 6326976 4262492 12.57 858920 7231140 60 Average: 29107930 31535440 830314 2.53 81735 2652036 1974736 5.82 303938 3117057 124 14:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:00 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 14:30:00 ens3 1.42 1.03 0.83 0.95 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:13 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 14:40:13 ens3 0.30 0.21 0.11 0.27 0.00 0.00 0.00 0.00 14:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:13 ens3 0.28 0.19 0.10 0.20 0.00 0.00 0.00 0.00 14:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 0.37 0.24 0.14 0.25 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:13 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 15:10:13 ens3 0.46 0.26 0.17 0.30 0.00 0.00 0.00 0.00 15:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:13 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 15:20:13 ens3 91.55 60.59 1567.16 10.74 0.00 0.00 0.00 0.00 15:20:13 docker0 3.74 5.85 0.36 138.64 0.00 0.00 0.00 0.00 15:20:13 br-35387446019a 1.59 2.46 0.11 35.64 0.00 0.00 0.00 0.00 15:20:13 veth158160a 0.05 0.10 0.00 0.12 0.00 0.00 0.00 0.00 15:20:13 vethb666de6 56.19 58.58 13.18 7.19 0.00 0.00 0.00 0.00 15:20:13 vetha199c8e 1.55 2.49 0.13 35.64 0.00 0.00 0.00 0.00 15:20:13 veth9c3e1a8 51.32 51.11 6.90 12.55 0.00 0.00 0.00 0.00 15:20:13 vetha2e8fdd 0.34 0.31 0.22 0.62 0.00 0.00 0.00 0.00 Average: lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 15.68 10.39 260.62 2.11 0.00 0.00 0.00 0.00 Average: docker0 0.62 0.97 0.06 23.04 0.00 0.00 0.00 0.00 Average: br-35387446019a 0.27 0.41 0.02 5.92 0.00 0.00 0.00 0.00 Average: veth158160a 0.01 0.02 0.00 0.02 0.00 0.00 0.00 0.00 Average: vethb666de6 9.34 9.73 2.19 1.19 0.00 0.00 0.00 0.00 Average: vetha199c8e 0.26 0.41 0.02 5.92 0.00 0.00 0.00 0.00 Average: veth9c3e1a8 8.53 8.49 1.15 2.09 0.00 0.00 0.00 0.00 Average: vetha2e8fdd 0.06 0.05 0.04 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4719) 04/08/26 _x86_64_ (8 CPU) 14:13:53 LINUX RESTART (8 CPU) 14:20:02 CPU %user %nice %system %iowait %steal %idle 14:30:00 all 0.09 0.00 0.02 0.00 0.01 99.88 14:30:00 0 0.02 0.00 0.01 0.00 0.00 99.97 14:30:00 1 0.03 0.00 0.02 0.00 0.01 99.94 14:30:00 2 0.12 0.00 0.02 0.00 0.01 99.85 14:30:00 3 0.02 0.00 0.01 0.00 0.00 99.97 14:30:00 4 0.36 0.00 0.02 0.00 0.01 99.60 14:30:00 5 0.06 0.00 0.01 0.01 0.01 99.91 14:30:00 6 0.07 0.00 0.05 0.02 0.02 99.85 14:30:00 7 0.01 0.00 0.01 0.00 0.00 99.98 14:40:13 all 0.02 0.00 0.02 0.03 0.02 99.92 14:40:13 0 0.00 0.00 0.00 0.00 0.00 99.99 14:40:13 1 0.02 0.00 0.03 0.00 0.02 99.92 14:40:13 2 0.04 0.00 0.02 0.00 0.01 99.94 14:40:13 3 0.01 0.00 0.01 0.00 0.00 99.98 14:40:13 4 0.03 0.00 0.02 0.00 0.06 99.90 14:40:13 5 0.01 0.00 0.01 0.00 0.01 99.96 14:40:13 6 0.02 0.00 0.04 0.24 0.01 99.69 14:40:13 7 0.00 0.00 0.01 0.00 0.00 99.99 14:50:13 all 0.02 0.00 0.01 0.00 0.01 99.96 14:50:13 0 0.00 0.00 0.00 0.00 0.00 99.99 14:50:13 1 0.01 0.00 0.01 0.00 0.01 99.98 14:50:13 2 0.02 0.00 0.01 0.00 0.00 99.97 14:50:13 3 0.01 0.00 0.01 0.00 0.00 99.98 14:50:13 4 0.02 0.00 0.03 0.00 0.03 99.93 14:50:13 5 0.01 0.00 0.02 0.02 0.01 99.95 14:50:13 6 0.05 0.00 0.02 0.01 0.01 99.91 14:50:13 7 0.00 0.00 0.01 0.00 0.00 99.99 15:00:01 all 0.01 0.00 0.01 0.00 0.01 99.96 15:00:01 0 0.01 0.00 0.02 0.01 0.01 99.95 15:00:01 1 0.01 0.00 0.01 0.00 0.00 99.98 15:00:01 2 0.03 0.00 0.01 0.00 0.01 99.95 15:00:01 3 0.01 0.00 0.01 0.00 0.00 99.98 15:00:01 4 0.02 0.00 0.02 0.01 0.02 99.93 15:00:01 5 0.01 0.00 0.01 0.01 0.01 99.96 15:00:01 6 0.02 0.00 0.02 0.00 0.02 99.95 15:00:01 7 0.00 0.00 0.00 0.00 0.00 100.00 15:10:13 all 0.08 0.00 0.01 0.00 0.01 99.89 15:10:13 0 0.00 0.00 0.00 0.00 0.00 100.00 15:10:13 1 0.01 0.00 0.01 0.00 0.00 99.97 15:10:13 2 0.58 0.00 0.03 0.00 0.01 99.38 15:10:13 3 0.01 0.00 0.01 0.00 0.00 99.98 15:10:13 4 0.01 0.00 0.01 0.02 0.02 99.93 15:10:13 5 0.02 0.00 0.01 0.00 0.02 99.95 15:10:13 6 0.02 0.00 0.01 0.00 0.01 99.95 15:10:13 7 0.01 0.00 0.01 0.00 0.01 99.97 15:20:13 all 4.32 0.00 1.00 0.43 0.03 94.22 15:20:13 0 5.23 0.00 0.99 0.18 0.02 93.58 15:20:13 1 3.58 0.00 1.08 0.55 0.03 94.77 15:20:13 2 4.34 0.00 1.09 0.57 0.02 93.98 15:20:13 3 4.98 0.00 1.00 0.24 0.02 93.76 15:20:13 4 4.76 0.00 0.95 0.83 0.03 93.42 15:20:13 5 3.76 0.00 0.99 0.30 0.04 94.91 15:20:13 6 4.23 0.00 0.98 0.49 0.02 94.28 15:20:13 7 3.70 0.00 0.92 0.26 0.04 95.09 Average: all 0.75 0.00 0.18 0.08 0.01 98.98 Average: 0 0.88 0.00 0.17 0.03 0.01 98.92 Average: 1 0.61 0.00 0.19 0.09 0.01 99.10 Average: 2 0.85 0.00 0.19 0.10 0.01 98.85 Average: 3 0.83 0.00 0.17 0.04 0.01 98.95 Average: 4 0.86 0.00 0.18 0.14 0.03 98.79 Average: 5 0.64 0.00 0.17 0.06 0.02 99.11 Average: 6 0.73 0.00 0.18 0.13 0.01 98.94 Average: 7 0.62 0.00 0.16 0.04 0.01 99.17