---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26440 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: 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 676 12175 3 3137 14970 Swap: 1023 44 979 ---> 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:30:e0:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80007sec preferred_lft 80007sec inet6 fe80::f816:3eff:fe30:e083/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:c8:ce:78:f2:af 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::74c8:ceff:fe78:f2af/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26440) 06/10/26 _x86_64_ (4 CPU) 12:20:20 LINUX RESTART (4 CPU) 12:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:01 80.32 22.13 55.23 2.96 1058.78 5651.29 4232.10 12:50:06 17.64 1.30 15.36 0.98 43.18 429.03 460.25 13:00:06 25.23 0.73 8.56 15.95 28.85 534.52 212122.77 13:10:01 18.79 0.48 17.52 0.78 16.02 589.80 738.98 13:20:06 8.42 0.21 7.90 0.31 8.53 225.15 132.67 13:30:06 7.26 0.28 6.73 0.24 12.51 176.63 185.71 13:40:01 5.81 0.26 5.27 0.29 12.15 225.51 125.99 13:50:06 6.56 0.23 6.16 0.18 9.12 177.87 102.90 14:00:06 10.11 0.80 8.92 0.39 31.07 593.43 305.36 Average: 19.95 2.92 14.58 2.45 134.63 950.68 24263.28 12:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:01 5052960 6864352 9076108 55.43 264324 1656916 10984772 63.05 1193836 9678904 1852 12:50:06 4420868 6267840 9673300 59.08 267116 1689504 10817292 62.09 1237400 10270256 860 13:00:06 10314752 12274828 3670004 22.41 271452 1797656 4651316 26.70 1282712 4352712 760 13:10:01 10787524 12834276 3111316 19.00 274552 1881152 3899072 22.38 1312840 3860896 504 13:20:06 9398404 11475392 4469028 27.30 275656 1910276 5295676 30.40 1317416 5237708 232 13:30:06 11498552 13615112 2330552 14.23 276124 1949324 3509388 20.14 1323600 3133056 18932 13:40:01 7901752 10041232 5902476 36.05 276960 1971444 6800324 39.03 1331028 6707744 164 13:50:06 9353732 11518852 4425616 27.03 277816 1996220 5281776 30.32 1336336 5263360 280 14:00:06 8915828 11224792 4719120 28.82 282040 2130124 5362488 30.78 1357792 5665616 232 Average: 8627152 10679631 5264169 32.15 274004 1886957 6289123 36.10 1299218 6018917 2646 12:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:01 lo 29.48 29.48 22.74 22.74 0.00 0.00 0.00 0.00 12:40:01 ens3 2.46 2.11 0.81 0.62 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:06 lo 48.66 48.66 20.05 20.05 0.00 0.00 0.00 0.00 12:50:06 ens3 1.57 1.38 0.36 0.31 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 15.66 15.66 7.22 7.22 0.00 0.00 0.00 0.00 13:00:06 ens3 0.74 0.54 0.22 0.16 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.80 12.80 7.49 7.49 0.00 0.00 0.00 0.00 13:10:01 ens3 0.97 0.83 0.21 0.17 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:06 lo 19.50 19.50 9.28 9.28 0.00 0.00 0.00 0.00 13:20:06 ens3 0.74 0.70 0.15 0.13 0.00 0.00 0.00 0.00 13:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:06 lo 28.12 28.12 9.82 9.82 0.00 0.00 0.00 0.00 13:30:06 ens3 0.55 0.41 0.11 0.08 0.00 0.00 0.00 0.00 13:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 19.48 19.48 10.99 10.99 0.00 0.00 0.00 0.00 13:40:01 ens3 0.80 0.67 0.18 0.14 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:06 lo 17.58 17.58 9.88 9.88 0.00 0.00 0.00 0.00 13:50:06 ens3 0.59 0.48 0.12 0.10 0.00 0.00 0.00 0.00 13:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:06 lo 21.50 21.50 10.31 10.31 0.00 0.00 0.00 0.00 14:00:06 ens3 1.04 0.95 0.31 0.25 0.00 0.00 0.00 0.00 14:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.66 23.66 11.97 11.97 0.00 0.00 0.00 0.00 Average: ens3 1.05 0.90 0.27 0.22 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-16g-26440) 06/10/26 _x86_64_ (4 CPU) 12:20:20 LINUX RESTART (4 CPU) 12:30:06 CPU %user %nice %system %iowait %steal %idle 12:40:01 all 69.87 0.00 2.51 0.25 0.13 27.23 12:40:01 0 70.50 0.00 2.56 0.34 0.13 26.47 12:40:01 1 70.19 0.00 2.40 0.20 0.13 27.08 12:40:01 2 70.06 0.00 2.38 0.26 0.14 27.16 12:40:01 3 68.71 0.00 2.70 0.21 0.14 28.24 12:50:06 all 36.72 0.00 1.44 0.08 0.11 61.66 12:50:06 0 36.59 0.00 1.48 0.11 0.11 61.72 12:50:06 1 36.94 0.00 1.44 0.03 0.11 61.47 12:50:06 2 37.10 0.00 1.43 0.03 0.11 61.33 12:50:06 3 36.25 0.00 1.40 0.13 0.10 62.11 13:00:06 all 16.42 0.00 0.69 0.33 0.07 82.49 13:00:06 0 16.46 0.00 0.67 0.34 0.06 82.46 13:00:06 1 16.55 0.00 0.71 0.19 0.07 82.48 13:00:06 2 15.90 0.00 0.72 0.51 0.07 82.81 13:00:06 3 16.76 0.00 0.66 0.30 0.07 82.21 13:10:01 all 30.34 0.00 0.92 0.28 0.09 68.37 13:10:01 0 30.34 0.00 0.92 0.19 0.09 68.46 13:10:01 1 30.42 0.00 0.87 0.14 0.09 68.48 13:10:01 2 30.93 0.00 0.94 0.63 0.09 67.41 13:10:01 3 29.68 0.00 0.94 0.17 0.08 69.13 13:20:06 all 14.51 0.00 0.51 0.06 0.06 84.86 13:20:06 0 14.38 0.00 0.47 0.05 0.06 85.04 13:20:06 1 14.75 0.00 0.46 0.02 0.07 84.71 13:20:06 2 14.31 0.00 0.58 0.10 0.07 84.95 13:20:06 3 14.61 0.00 0.55 0.05 0.06 84.74 13:30:06 all 11.79 0.00 0.46 0.08 0.06 87.61 13:30:06 0 11.54 0.00 0.52 0.07 0.06 87.80 13:30:06 1 11.42 0.00 0.48 0.17 0.06 87.87 13:30:06 2 12.32 0.00 0.48 0.03 0.06 87.12 13:30:06 3 11.89 0.00 0.35 0.06 0.06 87.64 13:40:01 all 15.02 0.00 0.61 0.15 0.22 84.01 13:40:01 0 14.83 0.00 0.52 0.07 0.16 84.43 13:40:01 1 14.92 0.00 0.73 0.31 0.15 83.88 13:40:01 2 14.81 0.00 0.56 0.08 0.23 84.31 13:40:01 3 15.50 0.00 0.63 0.12 0.34 83.41 13:50:06 all 8.95 0.00 0.43 0.05 0.06 90.51 13:50:06 0 8.91 0.00 0.41 0.03 0.06 90.59 13:50:06 1 8.56 0.00 0.46 0.06 0.06 90.86 13:50:06 2 9.26 0.00 0.49 0.01 0.06 90.18 13:50:06 3 9.08 0.00 0.36 0.08 0.05 90.42 14:00:06 all 15.19 0.00 0.55 0.05 0.06 84.15 14:00:06 0 14.46 0.00 0.53 0.02 0.06 84.93 14:00:06 1 15.38 0.00 0.65 0.05 0.06 83.86 14:00:06 2 15.72 0.00 0.50 0.06 0.07 83.66 14:00:06 3 15.19 0.00 0.53 0.06 0.06 84.15 Average: all 24.25 0.00 0.90 0.15 0.10 74.61 Average: 0 24.17 0.00 0.90 0.13 0.09 74.72 Average: 1 24.28 0.00 0.91 0.13 0.09 74.59 Average: 2 24.43 0.00 0.90 0.19 0.10 74.38 Average: 3 24.12 0.00 0.90 0.13 0.11 74.74