---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4438 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 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 841 12387 4 18863 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:c0:e9:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.243/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fec0:e995/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:82:9a:88:5e:a0 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::4882:9aff:fe88:5ea0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4438) 03/24/26 _x86_64_ (8 CPU) 08:07:09 LINUX RESTART (8 CPU) 08:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:20 458.09 0.91 450.07 7.11 51.02 43760.90 198029.52 08:30:01 247.93 0.34 236.67 10.92 15.98 25366.47 44207.79 08:40:19 11.53 0.12 10.74 0.67 5.06 454.53 2528.14 Average: 236.85 0.46 230.26 6.13 23.92 22947.65 81191.41 08:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:20 13597340 27446192 4785844 14.56 484476 12767268 4655344 13.73 3546724 14333168 524012 08:30:01 2269888 21643088 10510616 31.98 596556 17888960 16109560 47.51 4837812 22047748 1024 08:40:19 865776 20330004 11822576 35.98 596932 17974740 17407796 51.33 4880604 23412140 436 Average: 5577668 23139761 9039679 27.51 559321 16210323 12724233 37.52 4421713 19931019 175157 08:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:20 lo 0.52 0.52 0.10 0.10 0.00 0.00 0.00 0.00 08:20:20 ens3 249.79 158.03 1950.51 40.62 0.00 0.00 0.00 0.00 08:20:20 docker0 14.17 26.98 0.85 569.43 0.00 0.00 0.00 0.00 08:30:01 lo 0.49 0.49 0.07 0.07 0.00 0.00 0.00 0.00 08:30:01 ens3 102.04 74.19 1716.40 18.03 0.00 0.00 0.00 0.00 08:30:01 docker0 10.35 14.75 0.58 220.01 0.00 0.00 0.00 0.00 08:30:01 br-a967e393628e 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:30:01 vethbb4b5ef 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth7aa5b02 37.18 38.16 12.26 13.55 0.00 0.00 0.00 0.00 08:30:01 veth2963c9c 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth6011c52 0.20 0.24 0.02 0.12 0.00 0.00 0.00 0.00 08:30:01 veth64ed665 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 veth653de2b 32.94 31.80 16.78 8.89 0.00 0.00 0.00 0.00 08:30:01 veth71f65f2 0.51 0.76 0.59 4.37 0.00 0.00 0.00 0.00 08:30:01 vethcfb4c0e 1.04 0.87 0.14 0.98 0.00 0.00 0.00 0.00 08:40:19 lo 8.63 8.63 37.37 37.37 0.00 0.00 0.00 0.00 08:40:19 ens3 20.04 12.75 7.15 6.30 0.00 0.00 0.00 0.00 08:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 br-a967e393628e 4.73 4.59 36.45 1.02 0.00 0.00 0.00 0.00 08:40:19 vethbb4b5ef 0.22 0.19 0.02 0.08 0.00 0.00 0.00 0.00 08:40:19 veth7aa5b02 317.94 343.14 252.70 160.14 0.00 0.00 0.00 0.02 08:40:19 veth2963c9c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 veth6011c52 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 08:40:19 veth64ed665 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 veth653de2b 127.94 117.71 105.79 76.53 0.00 0.00 0.00 0.01 08:40:19 vethcfb4c0e 223.82 208.46 102.61 180.36 0.00 0.00 0.00 0.01 Average: lo 3.30 3.30 12.89 12.89 0.00 0.00 0.00 0.00 Average: ens3 123.16 81.05 1207.66 21.54 0.00 0.00 0.00 0.00 Average: docker0 8.07 13.76 0.47 260.99 0.00 0.00 0.00 0.00 Average: br-a967e393628e 1.72 1.66 12.52 0.36 0.00 0.00 0.00 0.00 Average: vethbb4b5ef 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth7aa5b02 121.17 130.14 90.72 59.36 0.00 0.00 0.00 0.01 Average: veth2963c9c 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6011c52 0.20 0.15 0.03 0.16 0.00 0.00 0.00 0.00 Average: veth64ed665 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth653de2b 54.57 50.69 41.74 29.15 0.00 0.00 0.00 0.00 Average: vethcfb4c0e 77.18 71.85 35.27 62.24 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4438) 03/24/26 _x86_64_ (8 CPU) 08:07:09 LINUX RESTART (8 CPU) 08:10:19 CPU %user %nice %system %iowait %steal %idle 08:20:20 all 17.52 0.00 3.30 3.17 0.07 75.94 08:20:20 0 13.06 0.00 2.70 9.38 0.08 74.78 08:20:20 1 17.15 0.00 3.02 1.98 0.07 77.78 08:20:20 2 18.63 0.00 4.03 2.33 0.08 74.92 08:20:20 3 17.77 0.00 3.07 2.12 0.07 76.97 08:20:20 4 19.84 0.00 3.45 3.19 0.08 73.43 08:20:20 5 16.70 0.00 3.11 1.25 0.06 78.88 08:20:20 6 19.31 0.00 3.73 4.10 0.08 72.78 08:20:20 7 17.71 0.00 3.28 1.00 0.07 77.94 08:30:01 all 18.08 0.02 2.32 0.89 0.07 78.62 08:30:01 0 15.23 0.02 2.35 0.88 0.06 81.45 08:30:01 1 17.80 0.02 2.52 0.82 0.07 78.77 08:30:01 2 21.10 0.03 2.48 0.91 0.07 75.41 08:30:01 3 17.06 0.03 2.15 0.85 0.07 79.83 08:30:01 4 18.77 0.01 2.11 1.02 0.06 78.03 08:30:01 5 18.19 0.01 2.48 1.17 0.07 78.09 08:30:01 6 21.69 0.03 2.29 0.96 0.07 74.97 08:30:01 7 14.78 0.02 2.18 0.51 0.06 82.44 08:40:19 all 7.23 0.00 1.19 0.02 0.07 91.49 08:40:19 0 6.94 0.00 1.04 0.02 0.06 91.94 08:40:19 1 8.43 0.00 1.29 0.05 0.07 90.16 08:40:19 2 6.59 0.00 1.18 0.01 0.08 92.15 08:40:19 3 7.10 0.00 1.34 0.02 0.07 91.47 08:40:19 4 8.02 0.00 1.11 0.03 0.07 90.77 08:40:19 5 7.44 0.00 1.21 0.04 0.07 91.24 08:40:19 6 6.30 0.00 1.18 0.03 0.07 92.43 08:40:19 7 6.99 0.00 1.18 0.01 0.06 91.75 Average: all 14.18 0.01 2.26 1.35 0.07 82.13 Average: 0 11.67 0.01 2.02 3.42 0.07 82.81 Average: 1 14.38 0.01 2.27 0.94 0.07 82.33 Average: 2 15.30 0.01 2.55 1.07 0.08 80.98 Average: 3 13.89 0.01 2.18 0.99 0.07 82.86 Average: 4 15.44 0.00 2.21 1.40 0.07 80.87 Average: 5 14.02 0.00 2.25 0.81 0.07 82.85 Average: 6 15.62 0.01 2.39 1.69 0.07 80.23 Average: 7 13.09 0.01 2.21 0.50 0.07 84.13