---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5816 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: 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 12G 67G 15% / 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 678 9465 4 5844 14967 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:0d:f7:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82742sec preferred_lft 82742sec inet6 fe80::f816:3eff:fe0d:f79a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:73:67:a7:b4:29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5816) 03/19/26 _x86_64_ (4 CPU) 06:27:48 LINUX RESTART (4 CPU) 06:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:07 1.77 0.05 1.71 0.01 2.43 21.75 217.28 06:50:07 1.47 0.01 1.47 0.00 0.04 17.75 0.00 07:00:06 42.65 4.10 37.91 0.64 255.10 2964.04 1594.83 07:10:07 22.55 0.63 18.50 3.41 22.78 3002.60 46376.80 07:20:03 22.80 0.16 19.27 3.37 4.92 1792.36 24568.14 Average: 18.24 0.99 15.76 1.49 57.08 1559.36 14546.23 06:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:07 13778272 15515868 503056 3.07 54408 1910364 1134648 6.51 193140 2141372 176 06:50:07 13778272 15516620 502396 3.07 55004 1910512 1134712 6.51 193748 2143024 228 07:00:06 11852496 14559180 1409204 8.61 105808 2784976 1902328 10.92 421476 3791964 148228 07:10:07 9605640 13021420 2937540 17.94 131748 3406992 3232780 18.56 676064 5706892 412 07:20:03 9297312 13101760 2853964 17.43 151824 3746536 2956352 16.97 807104 5825564 16484 Average: 11662398 14342970 1641232 10.02 99758 2751876 2072164 11.89 458306 3921763 33106 06:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:07 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 06:40:07 ens3 0.48 0.17 0.15 0.08 0.00 0.00 0.00 0.00 06:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:50:07 ens3 0.54 0.10 0.10 0.04 0.00 0.00 0.00 0.00 06:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:06 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 07:00:06 ens3 90.84 68.45 807.68 13.09 0.00 0.00 0.00 0.00 07:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:07 lo 30.31 30.31 6.98 6.98 0.00 0.00 0.00 0.00 07:10:07 ens3 27.90 23.97 144.61 6.87 0.00 0.00 0.00 0.00 07:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:03 lo 1453.23 1453.23 1360.98 1360.98 0.00 0.00 0.00 0.00 07:20:03 ens3 44.40 32.56 268.24 7.91 0.00 0.00 0.00 0.00 07:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 295.13 295.13 272.01 272.01 0.00 0.00 0.00 0.00 Average: ens3 32.80 25.03 243.98 5.59 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-4g-5816) 03/19/26 _x86_64_ (4 CPU) 06:27:48 LINUX RESTART (4 CPU) 06:30:07 CPU %user %nice %system %iowait %steal %idle 06:40:07 all 0.07 0.00 0.03 0.01 0.02 99.87 06:40:07 0 0.02 0.00 0.02 0.04 0.01 99.92 06:40:07 1 0.19 0.00 0.02 0.00 0.02 99.77 06:40:07 2 0.03 0.00 0.04 0.01 0.03 99.89 06:40:07 3 0.04 0.00 0.03 0.00 0.03 99.91 06:50:07 all 0.18 0.00 0.03 0.01 0.02 99.76 06:50:07 0 0.01 0.00 0.02 0.03 0.01 99.92 06:50:07 1 0.62 0.00 0.05 0.00 0.03 99.30 06:50:07 2 0.04 0.00 0.05 0.01 0.03 99.89 06:50:07 3 0.04 0.00 0.02 0.01 0.02 99.92 07:00:06 all 8.22 0.00 0.59 0.27 0.03 90.89 07:00:06 0 8.11 0.00 0.48 0.46 0.02 90.92 07:00:06 1 6.82 0.00 0.61 0.12 0.04 92.40 07:00:06 2 7.46 0.00 0.65 0.35 0.04 91.49 07:00:06 3 10.47 0.00 0.61 0.15 0.03 88.74 07:10:07 all 35.04 0.00 1.38 0.14 0.09 63.36 07:10:07 0 35.55 0.00 1.53 0.07 0.09 62.76 07:10:07 1 34.22 0.00 1.20 0.13 0.09 64.37 07:10:07 2 35.36 0.00 1.25 0.19 0.09 63.11 07:10:07 3 35.01 0.00 1.54 0.17 0.09 63.20 07:20:03 all 32.67 0.00 1.87 0.07 0.08 65.31 07:20:03 0 34.34 0.00 1.71 0.08 0.08 63.79 07:20:03 1 32.96 0.00 1.88 0.07 0.08 65.02 07:20:03 2 32.34 0.00 1.96 0.08 0.09 65.53 07:20:03 3 31.06 0.00 1.92 0.04 0.08 66.89 Average: all 15.19 0.00 0.78 0.10 0.05 83.88 Average: 0 15.57 0.00 0.75 0.14 0.04 83.50 Average: 1 14.93 0.00 0.75 0.06 0.05 84.21 Average: 2 15.00 0.00 0.79 0.13 0.05 84.03 Average: 3 15.28 0.00 0.82 0.07 0.05 83.77