---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54535 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: 5599.94 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 61G 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 726 11157 4 4105 14920 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:6e:a3:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79574sec preferred_lft 79574sec inet6 fe80::f816:3eff:fe6e:a381/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:7e:c6:ca:a8:91 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::847e:c6ff:feca:a891/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54535) 03/31/26 _x86_64_ (4 CPU) 10:32:56 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 87.79 3.18 81.46 3.15 131.62 27717.92 10510.95 11:00:01 66.62 23.65 26.29 16.67 323.93 1626.78 213605.85 11:10:27 9.86 0.16 9.28 0.43 9.78 499.16 1026.80 11:20:04 18.94 0.06 18.07 0.82 1.98 503.16 376.16 11:30:01 7.60 0.04 7.20 0.36 2.34 190.97 921.72 11:40:27 6.10 0.01 5.80 0.29 1.57 192.28 957.30 11:50:27 6.54 0.01 6.21 0.32 0.81 162.34 75.84 12:00:01 3.11 0.00 3.08 0.03 0.01 53.57 0.43 12:10:27 8.83 0.03 8.45 0.35 3.54 507.28 126.84 12:20:27 8.20 0.04 7.83 0.34 1.21 266.96 282.10 Average: 22.29 2.71 17.31 2.27 47.55 3163.75 22700.45 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 167880 3718100 12212044 74.59 262832 3233936 13520572 77.61 2026828 13555996 1992 11:00:01 4257164 7323060 8610480 52.59 270524 2794920 9433572 54.15 2133656 9424588 672 11:10:27 9234876 12397104 3541304 21.63 274416 2886864 4368248 25.07 2172628 4431988 848 11:20:04 9853464 13068252 2870608 17.53 277604 2936168 3651272 20.96 2196712 3787744 236 11:30:01 8222856 11458672 4479148 27.36 278752 2956012 5220964 29.97 2199164 5411056 300 11:40:27 9472608 12737276 3201620 19.55 279520 2984096 4253196 24.41 2202252 4164244 196 11:50:27 6815768 10097432 5839648 35.67 280208 3000436 6644448 38.14 2205840 6799656 132 12:00:01 6556104 9840080 6096764 37.24 280532 3002424 6857676 39.36 2206192 7060016 272 12:10:27 7918128 11323276 4614164 28.18 284740 3114092 5340464 30.65 2214668 5688100 0 12:20:27 7210756 10657584 5279572 32.25 285824 3154368 5977684 34.31 2233424 6375020 272 Average: 6970960 10262084 5674535 34.66 277495 3006332 6526810 37.46 2179136 6669841 492 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 10.82 10.82 10.41 10.41 0.00 0.00 0.00 0.00 10:50:01 ens3 37.23 27.06 643.92 3.01 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 43.30 43.30 21.36 21.36 0.00 0.00 0.00 0.00 11:00:01 ens3 2.07 2.01 0.47 0.42 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 11:10:27 lo 23.01 23.01 8.48 8.48 0.00 0.00 0.00 0.00 11:10:27 ens3 1.98 0.82 0.45 0.27 0.00 0.00 0.00 0.00 11:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 12.30 12.30 7.21 7.21 0.00 0.00 0.00 0.00 11:20:04 ens3 1.15 0.99 0.25 0.20 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 11:30:01 lo 19.79 19.79 9.50 9.50 0.00 0.00 0.00 0.00 11:30:01 ens3 0.81 0.69 0.16 0.13 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:27 lo 27.37 27.37 9.65 9.65 0.00 0.00 0.00 0.00 11:40:27 ens3 1.05 0.47 0.21 0.12 0.00 0.00 0.00 0.00 11:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:27 lo 20.53 20.53 11.37 11.37 0.00 0.00 0.00 0.00 11:50:27 ens3 0.99 0.63 0.22 0.16 0.00 0.00 0.00 0.00 11:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 14.73 14.73 8.08 8.08 0.00 0.00 0.00 0.00 12:00:01 ens3 0.97 0.74 0.22 1.79 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:27 lo 10.52 10.52 6.23 6.23 0.00 0.00 0.00 0.00 12:10:27 ens3 1.26 0.69 0.33 0.23 0.00 0.00 0.00 0.00 12:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:27 lo 24.46 24.46 10.34 10.34 0.00 0.00 0.00 0.00 12:20:27 ens3 1.03 0.71 0.23 0.18 0.00 0.00 0.00 0.00 12:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.74 20.74 10.26 10.26 0.00 0.00 0.00 0.00 Average: ens3 4.85 3.47 64.43 0.64 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-54535) 03/31/26 _x86_64_ (4 CPU) 10:32:56 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 49.00 0.00 2.20 7.44 0.13 41.23 10:50:01 0 48.32 0.00 2.12 7.94 0.11 41.52 10:50:01 1 47.32 0.00 2.10 6.07 0.15 44.36 10:50:01 2 49.48 0.00 2.40 9.75 0.12 38.26 10:50:01 3 50.86 0.00 2.19 6.01 0.15 40.79 11:00:01 all 51.33 0.00 1.96 0.48 0.18 46.05 11:00:01 0 51.60 0.00 2.02 0.68 0.17 45.52 11:00:01 1 51.33 0.00 1.96 0.24 0.23 46.25 11:00:01 2 51.16 0.00 2.14 0.70 0.18 45.81 11:00:01 3 51.22 0.00 1.72 0.29 0.15 46.62 11:10:27 all 15.06 0.00 0.77 0.43 0.09 83.65 11:10:27 0 14.90 0.00 0.79 0.65 0.08 83.59 11:10:27 1 15.71 0.00 0.86 0.50 0.09 82.84 11:10:27 2 14.92 0.00 0.72 0.44 0.09 83.82 11:10:27 3 14.72 0.00 0.70 0.15 0.09 84.34 11:20:04 all 30.66 0.00 1.02 0.14 0.11 68.06 11:20:04 0 30.86 0.00 0.96 0.09 0.10 68.00 11:20:04 1 31.96 0.00 1.04 0.27 0.13 66.59 11:20:04 2 29.16 0.00 1.07 0.08 0.10 69.59 11:20:04 3 30.66 0.00 1.03 0.13 0.11 68.07 11:30:01 all 15.52 0.00 0.59 0.09 0.08 83.73 11:30:01 0 15.96 0.00 0.53 0.05 0.06 83.41 11:30:01 1 15.34 0.00 0.63 0.10 0.12 83.80 11:30:01 2 15.18 0.00 0.62 0.15 0.07 83.99 11:30:01 3 15.60 0.00 0.57 0.05 0.06 83.72 11:40:27 all 12.54 0.00 0.53 0.13 0.07 86.73 11:40:27 0 12.31 0.00 0.43 0.08 0.08 87.09 11:40:27 1 12.59 0.00 0.58 0.20 0.06 86.57 11:40:27 2 13.07 0.00 0.51 0.05 0.06 86.31 11:40:27 3 12.20 0.00 0.58 0.20 0.06 86.95 11:50:27 all 14.39 0.00 0.67 0.16 0.23 84.55 11:50:27 0 13.93 0.00 0.57 0.18 0.14 85.18 11:50:27 1 14.48 0.00 0.69 0.14 0.32 84.38 11:50:27 2 14.62 0.00 0.67 0.06 0.25 84.41 11:50:27 3 14.55 0.00 0.73 0.26 0.22 84.24 12:00:01 all 3.24 0.00 0.30 0.03 0.08 96.36 12:00:01 0 2.88 0.00 0.23 0.01 0.11 96.76 12:00:01 1 3.68 0.00 0.37 0.08 0.07 95.80 12:00:01 2 3.24 0.00 0.33 0.02 0.06 96.35 12:00:01 3 3.15 0.00 0.25 0.02 0.06 96.52 12:10:27 all 13.78 0.00 0.60 0.55 0.21 84.85 12:10:27 0 12.90 0.00 0.64 0.38 0.17 85.91 12:10:27 1 13.86 0.00 0.60 0.96 0.14 84.44 12:10:27 2 14.90 0.00 0.56 0.12 0.33 84.09 12:10:27 3 13.48 0.00 0.62 0.73 0.21 84.96 12:20:27 all 17.50 0.00 0.74 0.18 0.23 81.35 12:20:27 0 17.45 0.00 0.58 0.36 0.37 81.23 12:20:27 1 17.20 0.00 0.75 0.15 0.20 81.70 12:20:27 2 17.60 0.00 0.66 0.10 0.20 81.44 12:20:27 3 17.75 0.00 0.98 0.11 0.13 81.03 Average: all 22.22 0.00 0.94 0.96 0.14 75.74 Average: 0 22.03 0.00 0.89 1.04 0.14 75.90 Average: 1 22.26 0.00 0.96 0.87 0.15 75.76 Average: 2 22.26 0.00 0.97 1.14 0.15 75.49 Average: 3 22.34 0.00 0.94 0.80 0.12 75.80