---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1122 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 23G 133G 15% / 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 842 14536 4 16712 30782 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:ec:14:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.82/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84922sec preferred_lft 84922sec inet6 fe80::f816:3eff:feec:1452/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:e3:13:0e:8a:c0 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::e8e3:13ff:fe0e:8ac0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1122) 03/11/26 _x86_64_ (8 CPU) 09:26:32 LINUX RESTART (8 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 60.61 1.50 56.35 2.76 469.94 22021.43 46124.20 09:50:01 378.41 0.47 371.02 6.92 7.31 39931.68 37729.70 Average: 219.42 0.99 213.60 4.83 238.76 30971.40 41929.37 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 21537904 29690440 2592916 7.89 199256 7960236 2881048 8.50 2598524 8002364 324976 09:50:01 11996124 29697940 2502544 7.62 574396 16230796 2761960 8.14 4726616 14423340 492 Average: 16767014 29694190 2547730 7.75 386826 12095516 2821504 8.32 3662570 11212852 162734 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 2.23 2.23 1.06 1.06 0.00 0.00 0.00 0.00 09:40:01 ens3 87.60 68.32 1155.51 13.00 0.00 0.00 0.00 0.00 09:40:01 docker0 6.49 8.98 0.62 156.55 0.00 0.00 0.00 0.00 09:40:01 vethb9b5cc7 2.87 3.98 0.33 63.28 0.00 0.00 0.00 0.01 09:50:01 lo 1.11 1.11 0.24 0.24 0.00 0.00 0.00 0.00 09:50:01 ens3 139.11 104.71 1978.12 15.31 0.00 0.00 0.00 0.00 09:50:01 docker0 15.79 21.56 2.47 180.66 0.00 0.00 0.00 0.00 09:50:01 veth63a0b33 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.67 1.67 0.65 0.65 0.00 0.00 0.00 0.00 Average: ens3 113.34 86.51 1566.58 14.15 0.00 0.00 0.00 0.00 Average: docker0 11.13 15.27 1.54 168.60 0.00 0.00 0.00 0.00 Average: veth63a0b33 0.00 0.01 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-1122) 03/11/26 _x86_64_ (8 CPU) 09:26:32 LINUX RESTART (8 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 33.77 0.00 1.68 0.25 0.07 64.24 09:40:01 0 29.41 0.00 1.25 0.18 0.06 69.10 09:40:01 1 38.42 0.00 1.71 0.17 0.08 59.62 09:40:01 2 32.54 0.00 1.75 0.25 0.06 65.40 09:40:01 3 34.49 0.00 1.81 0.12 0.07 63.51 09:40:01 4 34.53 0.00 1.34 0.51 0.06 63.55 09:40:01 5 33.33 0.00 1.89 0.20 0.07 64.51 09:40:01 6 34.81 0.00 1.98 0.27 0.07 62.87 09:40:01 7 32.61 0.00 1.71 0.27 0.07 65.34 09:50:01 all 15.42 0.00 3.02 0.37 0.06 81.13 09:50:01 0 11.43 0.00 3.52 0.31 0.06 84.69 09:50:01 1 18.11 0.00 3.69 0.47 0.07 77.66 09:50:01 2 17.96 0.00 3.05 0.33 0.07 78.59 09:50:01 3 12.31 0.00 2.34 0.19 0.07 85.09 09:50:01 4 15.36 0.00 2.80 0.50 0.06 81.28 09:50:01 5 19.97 0.00 3.28 0.37 0.07 76.31 09:50:01 6 18.26 0.00 2.53 0.27 0.06 78.88 09:50:01 7 9.98 0.00 2.95 0.53 0.06 86.48 Average: all 24.61 0.00 2.35 0.31 0.07 72.66 Average: 0 20.44 0.00 2.38 0.24 0.06 76.88 Average: 1 28.30 0.00 2.69 0.32 0.07 68.61 Average: 2 25.26 0.00 2.40 0.29 0.07 71.98 Average: 3 23.42 0.00 2.07 0.16 0.07 74.28 Average: 4 24.96 0.00 2.07 0.51 0.06 72.41 Average: 5 26.67 0.00 2.58 0.28 0.07 70.39 Average: 6 26.55 0.00 2.26 0.27 0.06 70.86 Average: 7 21.32 0.00 2.33 0.40 0.06 75.89