---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4286 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 858 14655 4 16578 30766 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:92:33:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.130/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83224sec preferred_lft 83224sec inet6 fe80::f816:3eff:fe92:33de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:aa:5a:30:89:1c 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::5caa:5aff:fe30:891c/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-4286) 04/07/26 _x86_64_ (8 CPU) 05:26:36 LINUX RESTART (8 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 3.85 0.09 3.46 0.29 4.02 262.71 584.35 05:50:01 71.93 4.92 66.06 0.94 332.80 6804.25 993.14 06:00:08 662.30 0.88 644.25 17.17 63.55 64140.51 100417.68 06:10:01 28.60 1.04 26.41 1.15 25.58 2175.54 1344.60 Average: 194.14 1.74 187.45 4.95 106.93 18586.48 26207.74 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 30017108 31740824 643108 1.96 62932 1998700 1508880 4.45 213816 2319292 8 05:50:01 26787092 30473444 1837320 5.59 163856 3756448 2398236 7.07 440424 5144260 2248 06:00:08 2350292 21192864 10967516 33.37 587088 17408444 14614348 43.10 4530200 22379220 1816 06:10:01 295096 17392592 14761404 44.92 571276 15691120 20530564 60.54 4476240 24458208 1632 Average: 14862397 25199931 7052337 21.46 346288 9713678 9763007 28.79 2415170 13575245 1426 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 05:40:02 ens3 8.60 5.67 84.55 0.63 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 0.43 0.43 0.08 0.08 0.00 0.00 0.00 0.00 05:50:01 ens3 96.64 64.50 1185.18 14.51 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 0.77 0.77 0.12 0.12 0.00 0.00 0.00 0.00 06:00:08 ens3 433.65 274.86 3383.95 83.38 0.00 0.00 0.00 0.00 06:00:08 docker0 28.28 47.82 1.61 766.94 0.00 0.00 0.00 0.00 06:00:08 br-13303069d540 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 06:00:08 veth3c18692 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:00:08 vethd6f48a0 4.68 4.35 1.91 0.96 0.00 0.00 0.00 0.00 06:00:08 vethd474f26 0.02 0.08 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 veth4db36fe 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:00:08 veth24caf82 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:00:08 vethf25eed5 4.24 4.64 0.96 1.90 0.00 0.00 0.00 0.00 06:10:01 lo 3.26 3.26 8.62 8.62 0.00 0.00 0.00 0.00 06:10:01 ens3 6.98 4.76 2.82 2.76 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 br-13303069d540 1.76 1.69 8.13 0.52 0.00 0.00 0.00 0.00 06:10:01 veth3c18692 0.18 0.20 0.02 0.07 0.00 0.00 0.00 0.00 06:10:01 vethd6f48a0 172.33 184.37 118.93 87.79 0.00 0.00 0.00 0.01 06:10:01 vethd474f26 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 veth4db36fe 0.55 0.40 0.08 0.36 0.00 0.00 0.00 0.00 06:10:01 veth24caf82 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 veth60f3def 101.72 95.34 70.61 50.00 0.00 0.00 0.00 0.01 06:10:01 veth063a54c 87.50 81.15 40.30 70.89 0.00 0.00 0.00 0.01 Average: lo 1.15 1.15 2.19 2.19 0.00 0.00 0.00 0.00 Average: ens3 138.14 88.50 1177.54 25.64 0.00 0.00 0.00 0.00 Average: docker0 7.18 12.13 0.41 194.61 0.00 0.00 0.00 0.00 Average: br-13303069d540 0.49 0.47 2.02 0.13 0.00 0.00 0.00 0.00 Average: veth3c18692 0.05 0.07 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethd6f48a0 43.93 46.82 29.98 22.01 0.00 0.00 0.00 0.00 Average: vethd474f26 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4db36fe 0.15 0.12 0.02 0.09 0.00 0.00 0.00 0.00 Average: veth24caf82 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth60f3def 25.23 23.64 17.51 12.40 0.00 0.00 0.00 0.00 Average: veth063a54c 21.70 20.13 9.99 17.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4286) 04/07/26 _x86_64_ (8 CPU) 05:26:36 LINUX RESTART (8 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 0.12 0.00 0.08 0.03 0.01 99.76 05:40:02 0 0.02 0.00 0.07 0.01 0.01 99.89 05:40:02 1 0.26 0.00 0.10 0.02 0.02 99.60 05:40:02 2 0.14 0.00 0.04 0.00 0.01 99.80 05:40:02 3 0.09 0.00 0.04 0.01 0.00 99.85 05:40:02 4 0.13 0.00 0.20 0.01 0.00 99.67 05:40:02 5 0.09 0.00 0.05 0.00 0.00 99.85 05:40:02 6 0.11 0.00 0.06 0.16 0.01 99.66 05:40:02 7 0.11 0.00 0.07 0.01 0.01 99.80 05:50:01 all 2.55 0.00 0.38 0.17 0.02 96.89 05:50:01 0 3.60 0.00 0.45 0.11 0.02 95.83 05:50:01 1 1.56 0.00 0.31 0.07 0.02 98.04 05:50:01 2 3.12 0.00 0.37 0.06 0.03 96.42 05:50:01 3 2.24 0.00 0.55 0.47 0.02 96.73 05:50:01 4 2.12 0.00 0.20 0.04 0.01 97.63 05:50:01 5 2.27 0.00 0.40 0.09 0.01 97.23 05:50:01 6 2.03 0.00 0.35 0.45 0.02 97.15 05:50:01 7 3.45 0.00 0.38 0.06 0.01 96.09 06:00:08 all 35.57 0.02 5.05 1.12 0.08 58.16 06:00:08 0 35.56 0.02 5.24 1.00 0.08 58.10 06:00:08 1 36.86 0.03 5.03 0.92 0.08 57.08 06:00:08 2 35.89 0.01 4.99 1.13 0.09 57.89 06:00:08 3 38.70 0.01 5.09 1.37 0.09 54.75 06:00:08 4 36.46 0.02 5.39 0.86 0.08 57.19 06:00:08 5 34.06 0.01 4.74 0.94 0.08 60.16 06:00:08 6 33.70 0.01 5.06 0.94 0.08 60.20 06:00:08 7 33.32 0.02 4.87 1.81 0.08 59.90 06:10:01 all 8.75 0.01 1.03 0.08 0.06 90.06 06:10:01 0 8.00 0.01 1.06 0.05 0.06 90.82 06:10:01 1 9.48 0.01 1.08 0.23 0.07 89.13 06:10:01 2 8.69 0.01 1.17 0.12 0.06 89.95 06:10:01 3 10.62 0.01 0.98 0.11 0.07 88.23 06:10:01 4 8.87 0.00 0.99 0.02 0.06 90.05 06:10:01 5 7.68 0.02 1.09 0.04 0.06 91.12 06:10:01 6 7.87 0.01 0.93 0.02 0.07 91.11 06:10:01 7 8.84 0.01 0.98 0.03 0.05 90.10 Average: all 11.83 0.01 1.65 0.35 0.04 86.12 Average: 0 11.90 0.01 1.72 0.30 0.04 86.04 Average: 1 12.13 0.01 1.65 0.31 0.05 85.85 Average: 2 12.04 0.00 1.65 0.33 0.05 85.92 Average: 3 12.99 0.00 1.68 0.49 0.04 84.80 Average: 4 11.97 0.01 1.71 0.23 0.04 86.05 Average: 5 11.10 0.01 1.58 0.27 0.04 87.01 Average: 6 11.00 0.01 1.61 0.40 0.04 86.94 Average: 7 11.50 0.01 1.58 0.48 0.04 86.39