---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1593 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): 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: 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: 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 18G 60G 23% / 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 735 10748 3 4505 14911 Swap: 1023 17 1006 ---> 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:b8:6b:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79642sec preferred_lft 79642sec inet6 fe80::f816:3eff:feb8:6b47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:47:7b:65:16:e2 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::9c47:7bff:fe65:16e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1593) 03/18/26 _x86_64_ (4 CPU) 09:57:11 LINUX RESTART (4 CPU) 10:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:24 131.86 8.63 105.86 17.37 1170.57 33950.77 264374.45 10:20:00 75.34 25.41 47.24 2.69 369.14 5560.24 3370.32 10:30:41 14.46 0.28 13.40 0.79 11.13 412.47 1713.65 10:40:31 12.48 0.11 11.82 0.55 1.36 596.92 590.81 10:50:32 16.52 0.05 15.70 0.77 1.21 501.42 334.09 11:00:33 5.16 0.09 4.90 0.16 1.18 126.96 373.90 11:10:49 6.23 0.16 5.89 0.17 1.71 146.16 90.88 11:20:04 6.02 0.03 5.81 0.19 1.62 163.60 158.57 11:30:05 18.58 12.10 6.29 0.19 146.09 179.55 62.32 11:40:04 11.21 0.10 10.59 0.52 4.54 677.34 295.76 Average: 29.71 4.62 22.74 2.35 170.76 4245.91 27392.84 10:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:24 4140392 15229024 693904 4.24 253580 10592852 1462360 8.39 2131296 9325388 227056 10:20:00 543228 3786836 12144252 74.17 267400 2971196 13306388 76.38 2084172 13174076 608 10:30:41 1415008 4691724 11240816 68.65 269404 3002108 12524592 71.89 2108108 12281404 244 10:40:31 8172952 11563000 4373752 26.71 273656 3111164 5155772 29.59 2145752 5494772 156 10:50:32 8008280 11468988 4467632 27.29 276084 3179444 5222964 29.98 2152380 5651880 200 11:00:33 7736664 11212196 4724324 28.85 276692 3193660 5413704 31.07 2153680 5933420 52 11:10:49 7846108 11340480 4596008 28.07 277144 3212048 5249428 30.13 2155228 5816652 36 11:20:04 6258668 9772476 6163212 37.64 277816 3230832 6899480 39.60 2157652 7400956 348 11:30:05 6083024 9675416 6260084 38.23 283956 3291800 6941380 39.84 2202764 7517604 484 11:40:04 7419320 11165176 4771040 29.14 288200 3433688 5385064 30.91 2219244 6161388 280 Average: 5762364 9990532 5943502 36.30 274393 3921879 6756113 38.78 2151028 7875754 22946 10:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:24 lo 2.79 2.79 2.31 2.31 0.00 0.00 0.00 0.00 10:10:24 ens3 148.40 108.18 1888.26 11.10 0.00 0.00 0.00 0.00 10:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 41.59 41.59 26.06 26.06 0.00 0.00 0.00 0.00 10:20:00 ens3 2.40 1.88 0.51 0.42 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:41 lo 32.31 32.31 14.33 14.33 0.00 0.00 0.00 0.00 10:30:41 ens3 1.22 0.98 0.25 0.20 0.00 0.00 0.00 0.00 10:30:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:31 lo 17.15 17.15 7.19 7.19 0.00 0.00 0.00 0.00 10:40:31 ens3 2.30 0.88 0.57 0.34 0.00 0.00 0.00 0.00 10:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:32 lo 16.96 16.96 8.43 8.43 0.00 0.00 0.00 0.00 10:50:32 ens3 0.94 0.75 0.18 0.14 0.00 0.00 0.00 0.00 10:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:33 lo 11.27 11.27 6.10 6.10 0.00 0.00 0.00 0.00 11:00:33 ens3 0.76 0.47 0.15 0.11 0.00 0.00 0.00 0.00 11:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:49 lo 26.93 26.93 9.48 9.48 0.00 0.00 0.00 0.00 11:10:49 ens3 0.69 0.38 0.14 0.10 0.00 0.00 0.00 0.00 11:10:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 16.29 16.29 8.38 8.38 0.00 0.00 0.00 0.00 11:20:04 ens3 1.19 0.51 0.24 0.14 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 17.68 17.68 10.54 10.54 0.00 0.00 0.00 0.00 11:30:05 ens3 0.85 0.54 0.20 0.14 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:04 lo 17.65 17.65 9.77 9.77 0.00 0.00 0.00 0.00 11:40:04 ens3 1.22 0.93 0.35 0.27 0.00 0.00 0.00 0.00 11:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.10 20.10 10.23 10.23 0.00 0.00 0.00 0.00 Average: ens3 16.13 11.65 190.93 1.31 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1593) 03/18/26 _x86_64_ (4 CPU) 09:57:11 LINUX RESTART (4 CPU) 10:00:19 CPU %user %nice %system %iowait %steal %idle 10:10:24 all 37.36 0.00 2.12 0.59 0.08 59.85 10:10:24 0 36.76 0.00 1.93 0.40 0.08 60.82 10:10:24 1 39.50 0.00 2.29 1.01 0.08 57.11 10:10:24 2 38.09 0.00 2.31 0.43 0.08 59.09 10:10:24 3 35.07 0.00 1.96 0.52 0.08 62.36 10:20:00 all 65.82 0.00 2.41 0.09 0.12 31.56 10:20:00 0 66.16 0.00 2.42 0.11 0.12 31.19 10:20:00 1 67.04 0.00 2.30 0.04 0.12 30.50 10:20:00 2 64.86 0.00 2.42 0.13 0.12 32.46 10:20:00 3 65.22 0.00 2.50 0.08 0.12 32.08 10:30:41 all 31.66 0.00 1.25 0.04 0.10 66.95 10:30:41 0 31.12 0.00 1.17 0.05 0.10 67.56 10:30:41 1 31.69 0.00 1.26 0.04 0.10 66.91 10:30:41 2 31.89 0.00 1.30 0.03 0.10 66.68 10:30:41 3 31.93 0.00 1.28 0.06 0.10 66.64 10:40:31 all 16.67 0.00 0.76 0.04 0.09 82.45 10:40:31 0 16.80 0.00 0.65 0.01 0.08 82.46 10:40:31 1 17.35 0.00 0.87 0.10 0.09 81.58 10:40:31 2 15.77 0.00 0.78 0.01 0.09 83.35 10:40:31 3 16.78 0.00 0.73 0.02 0.08 82.39 10:50:32 all 25.31 0.00 0.84 0.05 0.09 73.71 10:50:32 0 24.47 0.00 0.73 0.05 0.08 74.66 10:50:32 1 24.97 0.00 0.83 0.08 0.09 74.03 10:50:32 2 25.74 0.00 0.97 0.03 0.09 73.17 10:50:32 3 26.06 0.00 0.85 0.04 0.08 72.97 11:00:33 all 7.49 0.00 0.39 0.02 0.08 92.02 11:00:33 0 6.87 0.00 0.40 0.03 0.08 92.62 11:00:33 1 7.35 0.00 0.45 0.03 0.08 92.09 11:00:33 2 7.70 0.00 0.37 0.00 0.08 91.85 11:00:33 3 8.04 0.00 0.35 0.02 0.08 91.51 11:10:49 all 8.18 0.00 0.43 0.06 0.08 91.25 11:10:49 0 8.47 0.00 0.42 0.02 0.08 91.01 11:10:49 1 8.56 0.00 0.46 0.01 0.08 90.88 11:10:49 2 8.23 0.00 0.47 0.02 0.08 91.20 11:10:49 3 7.47 0.00 0.37 0.18 0.07 91.92 11:20:04 all 11.12 0.00 0.51 0.03 0.08 88.26 11:20:04 0 10.54 0.00 0.42 0.01 0.08 88.95 11:20:04 1 11.34 0.00 0.58 0.04 0.08 87.96 11:20:04 2 11.75 0.00 0.51 0.00 0.08 87.66 11:20:04 3 10.86 0.00 0.53 0.07 0.08 88.46 11:30:05 all 10.48 0.08 0.48 0.08 0.08 88.80 11:30:05 0 10.58 0.03 0.43 0.05 0.08 88.82 11:30:05 1 10.53 0.04 0.55 0.07 0.09 88.71 11:30:05 2 10.06 0.24 0.51 0.18 0.08 88.93 11:30:05 3 10.74 0.00 0.44 0.03 0.08 88.72 11:40:04 all 20.61 0.00 0.83 0.36 0.09 78.11 11:40:04 0 22.00 0.00 0.80 0.15 0.08 76.97 11:40:04 1 20.03 0.00 0.68 0.17 0.09 79.04 11:40:04 2 19.89 0.00 0.96 0.99 0.09 78.07 11:40:04 3 20.53 0.00 0.87 0.14 0.08 78.38 Average: all 23.42 0.01 1.00 0.14 0.09 75.34 Average: 0 23.33 0.00 0.94 0.09 0.09 75.55 Average: 1 23.79 0.00 1.03 0.16 0.09 74.93 Average: 2 23.34 0.02 1.06 0.18 0.09 75.30 Average: 3 23.22 0.00 0.99 0.12 0.08 75.59