---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2899 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 28G 128G 18% / 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 834 9220 4 22037 30790 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:e2:58:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.127/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83587sec preferred_lft 83587sec inet6 fe80::f816:3eff:fee2:583e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:b0:73:f7:c0:c7 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::4b0:73ff:fef7:c0c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2899) 04/01/26 _x86_64_ (8 CPU) 22:40:29 LINUX RESTART (8 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 1.84 0.21 1.61 0.02 1.81 19.54 26.82 23:10:02 177.17 3.09 165.70 8.39 259.36 20238.02 150357.04 23:20:00 320.57 0.18 314.09 6.30 6.66 69581.00 313952.27 Average: 166.31 1.16 160.24 4.90 89.55 29878.40 154536.05 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 29906880 31751552 631448 1.92 64168 2117036 1508736 4.45 320128 2355096 240 23:10:02 24038576 31185616 1103116 3.36 237516 6988840 1657760 4.89 2262592 5894280 1628372 23:20:00 12232484 31019380 1221272 3.72 492408 17900792 1777844 5.24 8592552 10859112 320 Average: 22059313 31318849 985279 3.00 264697 9002223 1648113 4.86 3725091 6369496 542977 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 0.37 0.24 0.14 0.30 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:02 lo 0.82 0.82 0.18 0.18 0.00 0.00 0.00 0.00 23:10:02 ens3 197.11 132.28 2126.83 1001.66 0.00 0.00 0.00 0.00 23:10:02 docker0 29.26 57.70 1.71 815.65 0.00 0.00 0.00 0.00 23:20:00 lo 0.41 0.41 0.08 0.08 0.00 0.00 0.00 0.00 23:20:00 ens3 113.89 84.44 976.32 2748.77 0.00 0.00 0.00 0.00 23:20:00 docker0 8.11 14.90 0.97 203.02 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 103.85 72.35 1035.45 1247.78 0.00 0.00 0.00 0.00 Average: docker0 12.48 24.24 0.90 340.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2899) 04/01/26 _x86_64_ (8 CPU) 22:40:29 LINUX RESTART (8 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.11 0.00 0.02 0.01 0.01 99.86 23:00:01 0 0.03 0.00 0.01 0.00 0.00 99.96 23:00:01 1 0.01 0.00 0.01 0.00 0.01 99.96 23:00:01 2 0.73 0.00 0.02 0.01 0.01 99.23 23:00:01 3 0.03 0.00 0.02 0.00 0.01 99.95 23:00:01 4 0.03 0.00 0.02 0.00 0.01 99.94 23:00:01 5 0.01 0.00 0.02 0.03 0.01 99.94 23:00:01 6 0.01 0.00 0.01 0.00 0.01 99.98 23:00:01 7 0.03 0.00 0.02 0.02 0.02 99.91 23:10:02 all 6.26 0.00 1.71 0.98 0.04 91.01 23:10:02 0 4.82 0.00 1.24 0.53 0.04 93.37 23:10:02 1 6.49 0.00 2.12 1.40 0.05 89.94 23:10:02 2 5.79 0.00 1.71 0.97 0.04 91.49 23:10:02 3 7.32 0.00 1.96 1.19 0.05 89.49 23:10:02 4 6.45 0.00 1.61 1.68 0.04 90.23 23:10:02 5 7.30 0.00 1.71 0.83 0.04 90.12 23:10:02 6 7.32 0.00 1.81 0.45 0.04 90.38 23:10:02 7 4.59 0.00 1.51 0.80 0.05 93.05 23:20:00 all 8.56 0.00 3.18 2.22 0.06 85.99 23:20:00 0 7.78 0.00 2.91 2.39 0.06 86.86 23:20:00 1 11.22 0.00 3.47 2.09 0.07 83.16 23:20:00 2 9.09 0.00 3.35 3.02 0.06 84.49 23:20:00 3 9.93 0.00 3.11 2.65 0.06 84.24 23:20:00 4 10.02 0.00 3.68 1.33 0.06 84.91 23:20:00 5 7.47 0.00 2.96 1.45 0.05 88.08 23:20:00 6 6.37 0.00 3.10 3.19 0.06 87.28 23:20:00 7 6.57 0.00 2.84 1.61 0.05 88.93 Average: all 4.96 0.00 1.63 1.06 0.04 92.31 Average: 0 4.20 0.00 1.38 0.97 0.03 93.42 Average: 1 5.89 0.00 1.86 1.16 0.04 91.05 Average: 2 5.19 0.00 1.68 1.32 0.04 91.77 Average: 3 5.74 0.00 1.69 1.27 0.04 91.25 Average: 4 5.48 0.00 1.76 1.00 0.04 91.72 Average: 5 4.92 0.00 1.56 0.77 0.03 92.73 Average: 6 4.56 0.00 1.63 1.21 0.04 92.57 Average: 7 3.72 0.00 1.45 0.81 0.04 93.98