---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38610 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 10G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 652 10927 4 4408 14993 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:c8:86:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81988sec preferred_lft 81988sec inet6 fe80::f816:3eff:fec8:86d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:92:46:8c:e9:35 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38610) 07/25/26 _x86_64_ (4 CPU) 09:56:58 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:06 15.31 0.25 2.28 12.78 206.26 268.58 240828.45 10:20:01 1.06 0.01 1.05 0.00 0.30 12.41 0.00 10:30:01 1.00 0.00 1.00 0.00 0.00 11.32 0.00 10:40:06 1.05 0.00 1.05 0.00 0.00 12.15 0.00 10:50:01 50.06 4.27 45.14 0.66 255.37 4169.94 818.11 11:00:01 3.75 0.07 3.51 0.17 7.05 545.79 26.41 11:10:06 22.66 0.73 19.80 2.13 30.99 4269.60 16110.28 Average: 13.52 0.76 10.51 2.26 71.33 1325.78 37104.63 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:06 13638660 15523224 493340 3.01 55752 2054680 1140000 6.54 262088 2220876 32 10:20:01 13639832 15524908 491704 3.00 56144 2054772 1140064 6.54 262504 2223468 220 10:30:01 13639804 15525208 491416 3.00 56472 2054776 1140064 6.54 262820 2223812 204 10:40:06 13640112 15526068 490564 3.00 56880 2054912 1140064 6.54 263232 2225312 204 10:50:01 11036852 14103520 1860484 11.36 107328 3132276 2280864 13.09 512952 4471812 124 11:00:01 8867952 12088448 3874272 23.66 113404 3266092 4094048 23.50 557156 6600140 316 11:10:06 11277376 15434868 523340 3.20 135452 4141892 1030760 5.92 766984 3919988 28236 Average: 12248655 14818035 1175017 7.18 83062 2679914 1709409 9.81 412534 3412201 4191 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 10:10:06 ens3 2.84 1.45 58.56 0.13 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:01 ens3 0.29 0.13 0.18 0.02 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.19 0.09 0.04 0.02 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:06 ens3 0.25 0.12 0.08 0.04 0.00 0.00 0.00 0.00 10:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 10:50:01 ens3 84.73 61.54 912.15 10.55 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 11:00:01 ens3 14.73 9.80 37.95 3.12 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 514.98 514.98 490.87 490.87 0.00 0.00 0.00 0.00 11:10:06 ens3 105.53 66.81 574.37 15.84 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 74.26 74.26 70.66 70.66 0.00 0.00 0.00 0.00 Average: ens3 29.78 19.97 225.57 4.25 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38610) 07/25/26 _x86_64_ (4 CPU) 09:56:58 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:06 all 0.27 0.00 0.06 0.05 0.01 99.60 10:10:06 0 0.11 0.00 0.03 0.01 0.01 99.84 10:10:06 1 0.11 0.00 0.06 0.03 0.01 99.80 10:10:06 2 0.46 0.00 0.07 0.09 0.02 99.36 10:10:06 3 0.42 0.00 0.08 0.06 0.02 99.41 10:20:01 all 0.28 0.00 0.02 0.01 0.01 99.67 10:20:01 0 0.02 0.00 0.01 0.00 0.00 99.97 10:20:01 1 0.02 0.00 0.03 0.00 0.01 99.94 10:20:01 2 0.04 0.00 0.04 0.00 0.02 99.91 10:20:01 3 1.05 0.00 0.03 0.02 0.02 98.88 10:30:01 all 0.17 0.00 0.02 0.01 0.01 99.79 10:30:01 0 0.01 0.00 0.01 0.00 0.00 99.99 10:30:01 1 0.04 0.00 0.03 0.02 0.02 99.89 10:30:01 2 0.03 0.00 0.03 0.01 0.02 99.92 10:30:01 3 0.62 0.00 0.02 0.00 0.01 99.35 10:40:06 all 0.12 0.00 0.02 0.01 0.01 99.84 10:40:06 0 0.01 0.00 0.02 0.00 0.00 99.97 10:40:06 1 0.02 0.00 0.02 0.00 0.02 99.94 10:40:06 2 0.02 0.00 0.03 0.02 0.02 99.91 10:40:06 3 0.42 0.00 0.02 0.00 0.01 99.54 10:50:01 all 23.02 0.00 0.74 0.27 0.04 75.93 10:50:01 0 20.64 0.00 0.70 0.09 0.04 78.53 10:50:01 1 23.18 0.00 0.63 0.07 0.04 76.07 10:50:01 2 20.11 0.00 0.72 0.50 0.04 78.63 10:50:01 3 28.15 0.00 0.91 0.41 0.05 70.48 11:00:01 all 46.54 0.00 0.75 0.02 0.07 52.62 11:00:01 0 46.03 0.00 0.80 0.01 0.07 53.09 11:00:01 1 51.53 0.00 0.93 0.01 0.07 47.46 11:00:01 2 52.02 0.00 0.70 0.03 0.07 47.18 11:00:01 3 36.58 0.00 0.58 0.02 0.07 62.75 11:10:06 all 48.53 0.00 1.41 0.12 0.07 49.86 11:10:06 0 40.38 0.00 1.20 0.14 0.07 58.22 11:10:06 1 39.26 0.00 1.53 0.12 0.07 59.02 11:10:06 2 77.70 0.00 1.47 0.15 0.09 20.59 11:10:06 3 36.79 0.00 1.43 0.08 0.07 61.64 Average: all 16.97 0.00 0.43 0.07 0.03 82.49 Average: 0 15.30 0.00 0.39 0.03 0.03 84.24 Average: 1 16.29 0.00 0.46 0.04 0.03 83.17 Average: 2 21.49 0.00 0.44 0.11 0.04 77.92 Average: 3 14.82 0.00 0.44 0.08 0.03 84.63