---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5478 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: 5599.94 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 878 13233 4 17980 30746 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:70:c5:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.181/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83651sec preferred_lft 83651sec inet6 fe80::f816:3eff:fe70:c5f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:0e:ec:d8:31:2a 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::40e:ecff:fed8:312a/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-5478) 03/27/26 _x86_64_ (8 CPU) 11:10:49 LINUX RESTART (8 CPU) 11:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:08 168.09 0.30 162.31 5.48 13.61 28432.01 21254.15 11:40:07 48.98 0.14 21.74 27.10 5.60 3383.46 465081.91 11:50:01 10.70 0.06 10.22 0.41 2.34 2026.00 936.42 Average: 76.55 0.17 65.37 11.01 7.23 11387.19 162300.59 11:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:08 2817948 22016608 10139332 30.85 591068 17743920 15827320 46.67 4685580 21675820 656 11:40:07 362584 20029480 12028948 36.60 593372 18279452 17976832 53.01 4915788 23874584 12168 11:50:01 351064 19729448 12328788 37.52 577552 18006884 18251032 53.82 4865600 23922732 10824 Average: 1177199 20591845 11499023 34.99 587331 18010085 17351728 51.17 4822323 23157712 7883 11:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:08 lo 0.59 0.59 0.08 0.08 0.00 0.00 0.00 0.00 11:30:08 ens3 121.80 76.38 1499.72 20.71 0.00 0.00 0.00 0.00 11:30:08 docker0 11.72 19.87 0.64 303.61 0.00 0.00 0.00 0.00 11:30:08 br-b400b2753e78 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 11:30:08 vetha2b7f60 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:08 veth9cf3602 51.13 54.37 20.84 27.05 0.00 0.00 0.00 0.00 11:30:08 veth1e17fab 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:08 vethed95534 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 11:30:08 veth53237c6 0.42 0.39 0.05 0.22 0.00 0.00 0.00 0.00 11:30:08 vethf5fe033 49.95 46.35 37.41 17.50 0.00 0.00 0.00 0.00 11:30:08 veth5572b20 0.79 1.44 0.85 11.36 0.00 0.00 0.00 0.00 11:30:08 veth757c30e 1.78 1.41 0.24 1.45 0.00 0.00 0.00 0.00 11:40:07 lo 25.19 25.19 89.77 89.77 0.00 0.00 0.00 0.00 11:40:07 ens3 12.64 10.54 32.27 2.63 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:07 br-b400b2753e78 23.74 27.99 17.55 104.17 0.00 0.00 0.00 0.00 11:40:07 vetha2b7f60 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 11:40:07 veth9cf3602 87.29 94.64 61.12 37.28 0.00 0.00 0.00 0.01 11:40:07 veth1e17fab 19.63 22.11 233.72 126.09 0.00 0.00 0.00 0.02 11:40:07 vethed95534 35.16 39.36 17.48 335.97 0.00 0.00 0.00 0.03 11:40:07 veth53237c6 13.70 11.42 125.74 46.57 0.00 0.00 0.00 0.01 11:40:07 vethf5fe033 52.26 48.48 66.16 27.92 0.00 0.00 0.00 0.01 11:40:07 veth757c30e 48.92 45.13 20.69 35.85 0.00 0.00 0.00 0.00 11:50:01 lo 35.27 35.27 167.66 167.66 0.00 0.00 0.00 0.00 11:50:01 ens3 0.83 0.59 0.23 0.52 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 br-b400b2753e78 30.01 35.10 35.09 134.59 0.00 0.00 0.00 0.00 11:50:01 vetha2b7f60 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 veth9cf3602 61.90 68.18 46.69 23.01 0.00 0.00 0.00 0.00 11:50:01 veth1e17fab 9.28 10.03 45.34 45.22 0.00 0.00 0.00 0.00 11:50:01 vethed95534 34.80 39.83 35.74 178.37 0.00 0.00 0.00 0.01 11:50:01 veth53237c6 9.51 8.62 45.70 44.77 0.00 0.00 0.00 0.00 11:50:01 vethf5fe033 43.36 40.55 53.98 22.48 0.00 0.00 0.00 0.00 11:50:01 veth757c30e 31.13 27.88 13.95 26.64 0.00 0.00 0.00 0.00 Average: lo 20.22 20.22 85.19 85.19 0.00 0.00 0.00 0.00 Average: ens3 45.58 29.47 516.82 8.03 0.00 0.00 0.00 0.00 Average: docker0 3.96 6.70 0.22 102.44 0.00 0.00 0.00 0.00 Average: br-b400b2753e78 17.89 20.97 17.42 79.06 0.00 0.00 0.00 0.00 Average: vetha2b7f60 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth9cf3602 66.72 72.32 42.77 29.12 0.00 0.00 0.00 0.00 Average: veth1e17fab 9.61 10.71 92.75 56.89 0.00 0.00 0.00 0.01 Average: vethed95534 23.19 26.27 17.60 170.65 0.00 0.00 0.00 0.01 Average: veth53237c6 7.84 6.78 56.94 30.34 0.00 0.00 0.00 0.00 Average: vethf5fe033 48.55 45.14 52.44 22.61 0.00 0.00 0.00 0.00 Average: veth757c30e 27.15 24.69 11.57 21.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5478) 03/27/26 _x86_64_ (8 CPU) 11:10:49 LINUX RESTART (8 CPU) 11:20:00 CPU %user %nice %system %iowait %steal %idle 11:30:08 all 11.16 0.02 1.96 1.33 0.06 85.47 11:30:08 0 11.71 0.02 1.99 1.33 0.07 84.88 11:30:08 1 10.36 0.01 2.04 1.33 0.07 86.19 11:30:08 2 12.79 0.02 1.88 1.22 0.06 84.02 11:30:08 3 11.57 0.02 2.31 1.76 0.07 84.28 11:30:08 4 9.91 0.02 1.74 0.71 0.05 87.57 11:30:08 5 10.55 0.03 1.82 1.20 0.06 86.35 11:30:08 6 11.12 0.03 1.86 1.43 0.07 85.49 11:30:08 7 11.26 0.00 2.05 1.63 0.07 85.00 11:40:07 all 10.51 0.01 1.89 0.17 0.09 87.34 11:40:07 0 9.97 0.01 2.05 0.09 0.09 87.80 11:40:07 1 10.54 0.01 1.99 0.12 0.09 87.25 11:40:07 2 11.47 0.01 1.96 0.29 0.09 86.19 11:40:07 3 9.93 0.01 1.75 0.08 0.10 88.13 11:40:07 4 10.21 0.01 1.77 0.07 0.08 87.86 11:40:07 5 11.30 0.00 1.90 0.22 0.09 86.48 11:40:07 6 11.13 0.00 1.86 0.18 0.09 86.74 11:40:07 7 9.54 0.01 1.80 0.27 0.09 88.29 11:50:01 all 7.30 0.00 1.69 0.04 0.09 90.87 11:50:01 0 7.25 0.00 1.84 0.05 0.09 90.77 11:50:01 1 8.18 0.00 1.86 0.03 0.10 89.83 11:50:01 2 7.19 0.00 1.66 0.11 0.09 90.95 11:50:01 3 7.03 0.00 1.69 0.02 0.10 91.16 11:50:01 4 7.23 0.00 1.64 0.03 0.09 91.00 11:50:01 5 7.16 0.00 1.56 0.02 0.09 91.18 11:50:01 6 7.68 0.00 1.65 0.03 0.09 90.54 11:50:01 7 6.70 0.00 1.62 0.05 0.09 91.53 Average: all 9.67 0.01 1.85 0.52 0.08 87.87 Average: 0 9.66 0.01 1.96 0.49 0.08 87.79 Average: 1 9.70 0.01 1.96 0.50 0.09 87.74 Average: 2 10.51 0.01 1.83 0.54 0.08 87.02 Average: 3 9.53 0.01 1.92 0.63 0.09 87.83 Average: 4 9.13 0.01 1.72 0.27 0.07 88.80 Average: 5 9.68 0.01 1.76 0.48 0.08 87.99 Average: 6 9.99 0.01 1.79 0.55 0.08 87.57 Average: 7 9.18 0.00 1.82 0.66 0.08 88.25