---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4142 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 25G 131G 16% / 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 1009 14049 4 17033 30615 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:02:84:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.144/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83721sec preferred_lft 83721sec inet6 fe80::f816:3eff:fe02:84aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:d5:d3:85:6e:b5 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::d0d5:d3ff:fe85:6eb5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4142) 04/06/26 _x86_64_ (8 CPU) 12:01:18 LINUX RESTART (8 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:02 165.66 0.32 159.62 5.72 14.88 28774.35 28291.45 12:30:01 53.68 0.28 25.36 28.04 10.01 4051.49 465522.41 12:40:02 11.92 0.07 11.42 0.43 1.69 1978.00 7277.78 Average: 77.14 0.23 65.53 11.39 8.86 11612.74 166811.38 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:02 1558724 20785940 11368788 34.59 592072 17765864 17162876 50.61 4689220 22940640 1416 12:30:01 339252 18850616 13209284 40.20 575304 17159140 19285336 56.87 4838716 23981168 17672 12:40:02 357868 18584684 13475644 41.01 574496 16880452 19533108 57.60 4728960 24077624 20860 Average: 751948 19407080 12684572 38.60 580624 17268485 18660440 55.03 4752299 23666477 13316 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:02 lo 0.58 0.58 0.08 0.08 0.00 0.00 0.00 0.00 12:20:02 ens3 89.24 64.20 1507.47 14.39 0.00 0.00 0.00 0.00 12:20:02 docker0 11.13 18.67 0.61 307.07 0.00 0.00 0.00 0.00 12:20:02 br-31a8e7f88ca7 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 12:20:02 veth30aa8f2 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:20:02 veth5b2f18c 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:20:02 veth6233a68 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:20:02 vetha374f52 55.41 57.84 22.85 29.18 0.00 0.00 0.00 0.00 12:20:02 veth622c76b 0.44 0.41 0.05 0.23 0.00 0.00 0.00 0.00 12:20:02 vetha633562 53.58 50.59 40.26 19.49 0.00 0.00 0.00 0.00 12:20:02 vethc52d1b8 0.84 1.53 0.89 12.06 0.00 0.00 0.00 0.00 12:20:02 vethcfdb2f5 1.87 1.49 0.25 1.51 0.00 0.00 0.00 0.00 12:30:01 lo 26.42 26.42 93.33 93.33 0.00 0.00 0.00 0.00 12:30:01 ens3 11.93 10.28 32.30 3.10 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 br-31a8e7f88ca7 23.31 26.68 17.64 107.53 0.00 0.00 0.00 0.00 12:30:01 veth30aa8f2 34.84 38.10 17.37 337.16 0.00 0.00 0.00 0.03 12:30:01 veth5b2f18c 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 12:30:01 veth6233a68 20.02 22.15 231.60 123.95 0.00 0.00 0.00 0.02 12:30:01 vetha374f52 85.88 92.82 59.57 35.69 0.00 0.00 0.00 0.00 12:30:01 veth622c76b 13.55 11.74 123.59 44.00 0.00 0.00 0.00 0.01 12:30:01 vetha633562 50.61 47.26 61.59 26.46 0.00 0.00 0.00 0.01 12:30:01 vethcfdb2f5 48.79 44.98 20.69 35.76 0.00 0.00 0.00 0.00 12:40:02 lo 34.74 34.74 165.78 165.78 0.00 0.00 0.00 0.00 12:40:02 ens3 0.84 0.60 0.24 0.56 0.00 0.00 0.00 0.00 12:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:02 br-31a8e7f88ca7 28.76 29.22 34.70 132.68 0.00 0.00 0.00 0.00 12:40:02 veth30aa8f2 33.65 34.08 35.40 174.04 0.00 0.00 0.00 0.01 12:40:02 veth5b2f18c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:02 veth6233a68 9.58 10.03 42.90 42.77 0.00 0.00 0.00 0.00 12:40:02 vetha374f52 61.51 67.87 46.46 22.55 0.00 0.00 0.00 0.00 12:40:02 veth622c76b 9.34 8.73 43.23 42.47 0.00 0.00 0.00 0.00 12:40:02 vetha633562 43.21 40.35 51.29 22.37 0.00 0.00 0.00 0.00 12:40:02 vethcfdb2f5 30.81 27.52 13.80 26.46 0.00 0.00 0.00 0.00 Average: lo 20.57 20.57 86.35 86.35 0.00 0.00 0.00 0.00 Average: ens3 34.04 25.05 514.02 6.02 0.00 0.00 0.00 0.00 Average: docker0 3.71 6.23 0.20 102.50 0.00 0.00 0.00 0.00 Average: br-31a8e7f88ca7 17.44 18.71 17.44 80.03 0.00 0.00 0.00 0.00 Average: veth30aa8f2 22.82 24.08 17.58 170.24 0.00 0.00 0.00 0.01 Average: veth5b2f18c 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth6233a68 9.87 10.76 91.38 55.51 0.00 0.00 0.00 0.01 Average: vetha374f52 67.59 72.83 42.94 29.13 0.00 0.00 0.00 0.00 Average: veth622c76b 7.77 6.95 55.56 28.88 0.00 0.00 0.00 0.00 Average: vetha633562 49.14 46.07 51.03 22.77 0.00 0.00 0.00 0.00 Average: vethcfdb2f5 27.13 24.64 11.57 21.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4142) 04/06/26 _x86_64_ (8 CPU) 12:01:18 LINUX RESTART (8 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:02 all 12.35 0.02 2.23 0.57 0.06 84.77 12:20:02 0 15.28 0.02 2.24 0.48 0.07 81.91 12:20:02 1 11.17 0.01 2.13 0.80 0.07 85.83 12:20:02 2 12.85 0.03 2.09 0.54 0.07 84.43 12:20:02 3 12.24 0.02 2.06 0.41 0.06 85.21 12:20:02 4 12.25 0.02 2.15 0.23 0.06 85.29 12:20:02 5 12.19 0.04 2.41 0.96 0.06 84.35 12:20:02 6 12.08 0.02 2.53 0.55 0.07 84.76 12:20:02 7 10.70 0.04 2.25 0.61 0.06 86.35 12:30:01 all 11.08 0.01 2.07 0.16 0.08 86.60 12:30:01 0 12.00 0.00 2.07 0.14 0.08 85.71 12:30:01 1 11.83 0.01 2.31 0.15 0.09 85.62 12:30:01 2 11.35 0.00 2.03 0.05 0.08 86.48 12:30:01 3 9.99 0.01 2.10 0.14 0.08 87.67 12:30:01 4 11.68 0.01 2.14 0.12 0.08 85.97 12:30:01 5 10.75 0.01 2.02 0.24 0.08 86.89 12:30:01 6 10.55 0.01 1.89 0.22 0.08 87.25 12:30:01 7 10.48 0.01 1.97 0.23 0.08 87.23 12:40:02 all 7.47 0.00 1.77 0.05 0.08 90.63 12:40:02 0 7.20 0.00 1.73 0.02 0.08 90.97 12:40:02 1 7.90 0.00 1.88 0.04 0.08 90.10 12:40:02 2 7.60 0.00 1.77 0.07 0.09 90.47 12:40:02 3 8.08 0.00 1.98 0.04 0.08 89.81 12:40:02 4 7.26 0.01 1.72 0.06 0.09 90.87 12:40:02 5 7.34 0.00 1.71 0.04 0.08 90.83 12:40:02 6 6.81 0.00 1.69 0.08 0.08 91.34 12:40:02 7 7.56 0.00 1.68 0.03 0.08 90.65 Average: all 10.30 0.01 2.02 0.26 0.08 87.33 Average: 0 11.50 0.01 2.01 0.21 0.08 86.20 Average: 1 10.30 0.01 2.11 0.33 0.08 87.18 Average: 2 10.60 0.01 1.97 0.22 0.08 87.12 Average: 3 10.10 0.01 2.05 0.20 0.08 87.57 Average: 4 10.40 0.01 2.00 0.14 0.08 87.37 Average: 5 10.09 0.01 2.05 0.41 0.08 87.35 Average: 6 9.82 0.01 2.03 0.29 0.08 87.78 Average: 7 9.58 0.01 1.97 0.29 0.07 88.08