---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19335 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 687 10914 3 4387 14959 Swap: 1023 18 1005 ---> 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:22:e8:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78991sec preferred_lft 78991sec inet6 fe80::f816:3eff:fe22:e895/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:c9:d8:3c:6e:d1 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19335) 02/20/26 _x86_64_ (4 CPU) 13:09:30 LINUX RESTART (4 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 152.27 11.43 122.41 18.42 1981.25 36156.63 252958.73 13:30:18 83.26 27.64 52.60 3.02 407.16 5392.00 2667.15 13:40:15 10.54 0.38 9.69 0.48 15.68 273.71 754.05 13:50:18 7.62 0.08 7.15 0.40 2.00 243.18 1499.52 14:00:18 11.62 0.14 10.95 0.53 11.40 548.39 925.39 14:10:18 13.31 0.13 12.65 0.54 2.11 392.05 247.44 14:20:18 8.34 0.04 7.91 0.38 0.93 218.35 135.39 14:30:18 5.41 0.01 5.22 0.18 0.79 143.07 85.89 14:40:18 5.42 0.02 5.21 0.19 1.19 155.15 132.53 14:50:18 18.94 12.14 6.59 0.21 149.25 183.75 52.65 15:00:18 12.44 0.07 11.83 0.55 1.51 664.24 618.19 15:10:18 5.72 0.02 5.51 0.19 0.61 173.55 433.25 Average: 28.06 4.40 21.57 2.10 215.24 3721.44 21703.77 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 4253668 14871164 1054596 6.44 236812 10175020 2079256 11.93 2087776 9289784 7576 13:30:18 1680044 4834104 11097852 67.78 258312 2903732 11777256 67.60 2052344 12083576 272 13:40:15 3994280 7170028 8763724 53.53 259588 2924148 9424352 54.10 2068568 9745396 164 13:50:18 5370620 8566436 7369816 45.01 260756 2943060 8570568 49.19 2074064 8375076 500 14:00:18 8236732 11539324 4398220 26.86 264876 3045612 5202380 29.86 2112224 5487964 88 14:10:18 10226060 13583388 2355212 14.38 266620 3098616 3449572 19.80 2118132 3503776 684 14:20:18 8028236 11411896 4525520 27.64 267692 3123884 5275952 30.28 2120368 5686364 48 14:30:18 7991624 11392752 4544560 27.76 268204 3140832 5265852 30.23 2121572 5724824 48 14:40:18 6312316 9733940 6202504 37.88 268716 3160832 6862392 39.39 2123676 7396560 296 14:50:18 6441020 9938400 5998088 36.63 276068 3220836 6735116 38.66 2169488 7214364 44 15:00:18 7800548 11443616 4493584 27.44 280316 3356384 5102368 29.29 2186128 5838856 84 15:10:18 6977120 10645748 5290980 32.32 280748 3381476 5993312 34.40 2196676 6647152 472 Average: 6442689 10427566 5507888 33.64 265726 3706203 6311531 36.23 2119251 7249474 856 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 2.17 2.17 1.86 1.86 0.00 0.00 0.00 0.00 13:20:01 ens3 193.04 136.01 2248.20 17.91 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:18 lo 31.42 31.42 21.80 21.80 0.00 0.00 0.00 0.00 13:30:18 ens3 2.76 2.74 0.71 1.61 0.00 0.00 0.00 0.00 13:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:15 lo 40.77 40.77 15.41 15.41 0.00 0.00 0.00 0.00 13:40:15 ens3 1.20 0.92 0.26 0.20 0.00 0.00 0.00 0.00 13:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:18 lo 8.99 8.99 5.27 5.27 0.00 0.00 0.00 0.00 13:50:18 ens3 0.61 0.33 0.10 0.06 0.00 0.00 0.00 0.00 13:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:18 lo 11.09 11.09 5.17 5.17 0.00 0.00 0.00 0.00 14:00:18 ens3 0.90 0.71 0.29 0.22 0.00 0.00 0.00 0.00 14:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:18 lo 6.73 6.73 3.39 3.39 0.00 0.00 0.00 0.00 14:10:18 ens3 0.88 0.54 0.27 0.20 0.00 0.00 0.00 0.00 14:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:18 lo 14.83 14.83 8.03 8.03 0.00 0.00 0.00 0.00 14:20:18 ens3 0.66 0.56 0.13 0.10 0.00 0.00 0.00 0.00 14:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:18 lo 22.37 22.37 8.82 8.82 0.00 0.00 0.00 0.00 14:30:18 ens3 0.68 0.58 0.14 0.11 0.00 0.00 0.00 0.00 14:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:18 lo 26.08 26.08 11.41 11.41 0.00 0.00 0.00 0.00 14:40:18 ens3 0.72 0.51 0.18 0.13 0.00 0.00 0.00 0.00 14:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:18 lo 16.04 16.04 9.79 9.79 0.00 0.00 0.00 0.00 14:50:18 ens3 0.63 0.49 0.13 0.10 0.00 0.00 0.00 0.00 14:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:18 lo 19.31 19.31 10.53 10.53 0.00 0.00 0.00 0.00 15:00:18 ens3 1.01 0.99 0.28 0.23 0.00 0.00 0.00 0.00 15:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:18 lo 20.67 20.67 8.25 8.25 0.00 0.00 0.00 0.00 15:10:18 ens3 0.69 0.51 0.15 0.12 0.00 0.00 0.00 0.00 15:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.39 18.39 9.17 9.17 0.00 0.00 0.00 0.00 Average: ens3 16.98 12.07 187.48 1.75 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19335) 02/20/26 _x86_64_ (4 CPU) 13:09:30 LINUX RESTART (4 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 37.47 0.00 2.52 4.64 0.10 55.28 13:20:01 0 38.26 0.00 2.48 5.13 0.10 54.04 13:20:01 1 37.30 0.00 2.18 4.58 0.10 55.84 13:20:01 2 37.44 0.00 2.68 5.93 0.10 53.85 13:20:01 3 36.87 0.00 2.75 2.91 0.10 57.37 13:30:18 all 68.34 0.00 2.73 0.28 0.13 28.52 13:30:18 0 67.88 0.00 2.90 0.40 0.13 28.70 13:30:18 1 67.85 0.00 2.88 0.26 0.13 28.88 13:30:18 2 69.06 0.00 2.53 0.21 0.13 28.06 13:30:18 3 68.55 0.00 2.62 0.25 0.13 28.44 13:40:15 all 21.10 0.00 0.95 0.07 0.10 77.79 13:40:15 0 20.92 0.00 0.93 0.02 0.09 78.04 13:40:15 1 21.43 0.00 0.97 0.07 0.10 77.43 13:40:15 2 20.76 0.00 0.95 0.04 0.09 78.16 13:40:15 3 21.30 0.00 0.95 0.13 0.10 77.53 13:50:18 all 16.12 0.00 0.74 0.08 0.08 82.98 13:50:18 0 16.78 0.00 0.73 0.05 0.07 82.37 13:50:18 1 16.01 0.00 0.71 0.18 0.08 83.01 13:50:18 2 15.61 0.00 0.73 0.03 0.08 83.55 13:50:18 3 16.08 0.00 0.79 0.06 0.08 82.98 14:00:18 all 15.79 0.00 0.67 0.06 0.08 83.40 14:00:18 0 15.10 0.00 0.62 0.07 0.08 84.13 14:00:18 1 15.81 0.00 0.72 0.12 0.09 83.27 14:00:18 2 16.75 0.00 0.67 0.05 0.08 82.44 14:00:18 3 15.51 0.00 0.65 0.01 0.07 83.75 14:10:18 all 17.42 0.00 0.68 0.05 0.08 81.77 14:10:18 0 17.54 0.00 0.71 0.02 0.08 81.64 14:10:18 1 17.18 0.00 0.72 0.08 0.08 81.94 14:10:18 2 17.66 0.00 0.59 0.04 0.08 81.62 14:10:18 3 17.27 0.00 0.71 0.07 0.07 81.88 14:20:18 all 14.63 0.00 0.54 0.07 0.08 84.68 14:20:18 0 14.69 0.00 0.47 0.04 0.07 84.73 14:20:18 1 14.75 0.00 0.60 0.06 0.09 84.50 14:20:18 2 14.41 0.00 0.60 0.14 0.08 84.77 14:20:18 3 14.68 0.00 0.48 0.04 0.08 84.73 14:30:18 all 8.38 0.00 0.39 0.06 0.07 91.09 14:30:18 0 8.63 0.00 0.35 0.08 0.07 90.88 14:30:18 1 8.49 0.00 0.43 0.03 0.08 90.97 14:30:18 2 8.49 0.00 0.46 0.07 0.08 90.90 14:30:18 3 7.91 0.00 0.32 0.07 0.07 91.63 14:40:18 all 10.28 0.00 0.44 0.05 0.08 89.15 14:40:18 0 10.01 0.00 0.41 0.07 0.07 89.44 14:40:18 1 10.32 0.00 0.43 0.06 0.08 89.10 14:40:18 2 10.48 0.00 0.45 0.04 0.08 88.95 14:40:18 3 10.32 0.00 0.45 0.04 0.07 89.11 14:50:18 all 9.70 0.08 0.41 0.08 0.08 89.66 14:50:18 0 9.13 0.00 0.38 0.08 0.07 90.33 14:50:18 1 9.85 0.08 0.47 0.06 0.08 89.47 14:50:18 2 9.98 0.23 0.41 0.18 0.08 89.11 14:50:18 3 9.84 0.00 0.37 0.01 0.08 89.71 15:00:18 all 19.49 0.00 0.68 0.05 0.08 79.69 15:00:18 0 19.36 0.00 0.78 0.13 0.08 79.65 15:00:18 1 19.39 0.00 0.62 0.02 0.08 79.88 15:00:18 2 19.04 0.00 0.61 0.04 0.08 80.23 15:00:18 3 20.19 0.00 0.70 0.02 0.08 79.01 15:00:18 CPU %user %nice %system %iowait %steal %idle 15:10:18 all 8.92 0.00 0.34 0.03 0.07 90.63 15:10:18 0 8.97 0.00 0.29 0.04 0.07 90.64 15:10:18 1 9.05 0.00 0.41 0.03 0.08 90.44 15:10:18 2 9.25 0.00 0.32 0.02 0.08 90.33 15:10:18 3 8.41 0.00 0.35 0.03 0.08 91.14 Average: all 20.74 0.01 0.93 0.46 0.09 77.78 Average: 0 20.71 0.00 0.92 0.51 0.08 77.78 Average: 1 20.73 0.01 0.93 0.46 0.09 77.79 Average: 2 20.86 0.02 0.92 0.57 0.09 77.55 Average: 3 20.68 0.00 0.93 0.30 0.08 78.00