---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15991 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: 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 716 10898 3 4374 14930 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:92:c5:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78865sec preferred_lft 78865sec inet6 fe80::f816:3eff:fe92:c58d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:9b:48:0a:e4:94 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-15991) 02/19/26 _x86_64_ (4 CPU) 10:17:02 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:19 86.98 4.08 78.53 4.37 569.41 33088.89 18912.51 10:40:01 82.89 29.13 50.33 3.43 500.07 5319.78 2956.25 10:50:01 34.13 3.54 13.87 16.71 60.75 411.35 212886.15 11:00:31 7.58 0.06 7.10 0.42 4.24 255.86 1329.50 11:10:31 15.95 0.01 15.20 0.73 0.48 701.73 883.17 11:20:01 14.86 0.04 14.10 0.72 1.77 475.26 668.88 11:30:31 4.40 0.00 4.23 0.16 0.38 126.13 80.42 11:40:22 5.44 0.02 5.24 0.19 1.18 153.87 80.37 11:50:01 5.41 0.00 5.20 0.20 0.33 159.28 68.83 12:00:19 5.45 0.01 5.30 0.14 0.89 154.85 89.75 12:10:11 19.62 12.20 7.13 0.29 144.45 458.18 42.73 12:20:01 8.50 0.02 8.18 0.30 1.23 301.66 107.87 Average: 24.22 4.02 17.90 2.31 107.12 3534.64 19873.47 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:19 4893092 15310820 617196 3.77 234704 9981348 1331320 7.64 2021944 8720032 4928 10:40:01 7083708 10052872 5884096 35.94 258108 2750020 6739964 38.69 2242364 6526612 3116 10:50:01 3098836 6114056 9823308 60.00 262108 2791444 10985196 63.05 2302512 10437904 1132 11:00:31 5329596 8369552 7570352 46.24 263196 2815108 8761468 50.29 2308616 8230740 272 11:10:31 10480168 13653064 2289328 13.98 268564 2937764 3019328 17.33 2358012 3042460 64 11:20:01 8227692 11463552 4477440 27.35 270704 2998528 5231364 30.03 2362540 5276948 120 11:30:31 8067164 11320400 4620492 28.22 271272 3015312 5276728 30.29 2363612 5436484 160 11:40:22 6679128 9952132 5987992 36.57 271856 3034452 6735648 38.66 2365736 6821508 260 11:50:01 6671304 9965324 5974732 36.49 272440 3054832 6680016 38.34 2368708 6824096 204 12:00:19 8106192 11422380 4518588 27.60 273204 3076268 5260948 30.20 2371316 5395036 60 12:10:11 11829816 15305960 635684 3.88 281084 3209152 1340524 7.69 2418140 1594348 104 12:20:01 7124192 10649412 5290192 32.31 281920 3257220 5961820 34.22 2437684 6285728 336 Average: 7299241 11131627 4807450 29.36 267430 3576787 5610360 32.20 2326765 6215991 896 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:19 lo 1.95 1.95 1.77 1.77 0.00 0.00 0.00 0.00 10:30:19 ens3 157.68 88.74 1842.25 9.29 0.00 0.00 0.00 0.00 10:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 22.44 22.44 16.99 16.99 0.00 0.00 0.00 0.00 10:40:01 ens3 2.21 1.77 0.67 0.54 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 41.51 41.51 17.19 17.19 0.00 0.00 0.00 0.00 10:50:01 ens3 2.12 1.24 0.43 0.30 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 11:00:31 lo 19.13 19.13 9.51 9.51 0.00 0.00 0.00 0.00 11:00:31 ens3 0.80 0.48 0.13 0.09 0.00 0.00 0.00 0.00 11:00:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:31 lo 11.42 11.42 5.63 5.63 0.00 0.00 0.00 0.00 11:10:31 ens3 1.80 1.86 0.36 1.52 0.00 0.00 0.00 0.00 11:10:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 19.89 19.89 10.26 10.26 0.00 0.00 0.00 0.00 11:20:01 ens3 1.44 0.75 0.31 0.20 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:31 lo 21.18 21.18 8.75 8.75 0.00 0.00 0.00 0.00 11:30:31 ens3 0.89 0.55 0.21 0.15 0.00 0.00 0.00 0.00 11:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:22 lo 19.56 19.56 8.43 8.43 0.00 0.00 0.00 0.00 11:40:22 ens3 0.95 0.44 0.29 0.19 0.00 0.00 0.00 0.00 11:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 19.67 19.67 10.40 10.40 0.00 0.00 0.00 0.00 11:50:01 ens3 0.73 0.63 0.15 0.12 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:19 lo 11.36 11.36 6.48 6.48 0.00 0.00 0.00 0.00 12:00:19 ens3 0.72 0.42 0.18 0.13 0.00 0.00 0.00 0.00 12:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:11 lo 8.53 8.53 4.69 4.69 0.00 0.00 0.00 0.00 12:10:11 ens3 1.12 0.67 0.43 0.32 0.00 0.00 0.00 0.00 12:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 27.94 27.94 11.69 11.69 0.00 0.00 0.00 0.00 12:20:01 ens3 0.95 0.68 0.20 0.15 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.65 18.65 9.26 9.26 0.00 0.00 0.00 0.00 Average: ens3 14.67 8.40 158.38 1.10 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-15991) 02/19/26 _x86_64_ (4 CPU) 10:17:02 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:19 all 34.20 0.00 2.45 19.22 0.12 44.01 10:30:19 0 36.92 0.00 2.54 21.21 0.13 39.20 10:30:19 1 34.36 0.00 2.14 20.97 0.12 42.41 10:30:19 2 35.25 0.00 2.73 14.25 0.13 47.64 10:30:19 3 30.27 0.00 2.37 20.45 0.11 46.79 10:40:01 all 59.63 0.00 2.43 0.54 0.15 37.25 10:40:01 0 59.44 0.00 2.19 0.34 0.14 37.88 10:40:01 1 58.11 0.00 2.63 0.46 0.15 38.66 10:40:01 2 61.35 0.00 2.48 0.46 0.14 35.58 10:40:01 3 59.63 0.00 2.41 0.92 0.15 36.88 10:50:01 all 32.45 0.00 1.46 0.09 0.11 65.89 10:50:01 0 32.38 0.00 1.43 0.07 0.11 66.01 10:50:01 1 32.80 0.00 1.39 0.07 0.12 65.62 10:50:01 2 31.89 0.00 1.54 0.12 0.12 66.33 10:50:01 3 32.74 0.00 1.46 0.09 0.12 65.58 11:00:31 all 16.71 0.00 0.68 0.03 0.08 82.50 11:00:31 0 16.14 0.00 0.69 0.06 0.08 83.02 11:00:31 1 16.76 0.00 0.79 0.03 0.08 82.33 11:00:31 2 17.27 0.00 0.68 0.02 0.08 81.95 11:00:31 3 16.65 0.00 0.57 0.01 0.08 82.69 11:10:31 all 21.48 0.00 0.75 0.06 0.08 77.63 11:10:31 0 21.09 0.00 0.83 0.04 0.09 77.96 11:10:31 1 21.94 0.00 0.77 0.09 0.08 77.13 11:10:31 2 21.61 0.00 0.75 0.05 0.08 77.51 11:10:31 3 21.27 0.00 0.66 0.07 0.08 77.92 11:20:01 all 25.72 0.00 0.85 0.05 0.08 73.30 11:20:01 0 25.03 0.00 0.79 0.05 0.09 74.05 11:20:01 1 25.42 0.00 0.84 0.04 0.08 73.61 11:20:01 2 26.47 0.00 0.96 0.05 0.08 72.43 11:20:01 3 25.94 0.00 0.79 0.06 0.08 73.13 11:30:31 all 7.96 0.00 0.41 0.02 0.07 91.55 11:30:31 0 7.96 0.00 0.41 0.03 0.06 91.54 11:30:31 1 7.81 0.00 0.43 0.02 0.07 91.68 11:30:31 2 7.80 0.00 0.40 0.00 0.07 91.73 11:30:31 3 8.26 0.00 0.41 0.02 0.06 91.25 11:40:22 all 9.58 0.00 0.43 0.02 0.07 89.91 11:40:22 0 9.94 0.00 0.41 0.02 0.07 89.56 11:40:22 1 9.32 0.00 0.46 0.04 0.07 90.11 11:40:22 2 9.31 0.00 0.45 0.01 0.07 90.16 11:40:22 3 9.74 0.00 0.39 0.01 0.06 89.79 11:50:01 all 10.78 0.00 0.54 0.07 0.07 88.55 11:50:01 0 10.59 0.00 0.50 0.08 0.07 88.75 11:50:01 1 10.97 0.00 0.59 0.04 0.08 88.33 11:50:01 2 10.79 0.00 0.54 0.08 0.07 88.52 11:50:01 3 10.76 0.00 0.52 0.07 0.07 88.58 12:00:19 all 7.09 0.00 0.41 0.03 0.07 92.40 12:00:19 0 7.05 0.00 0.44 0.05 0.07 92.38 12:00:19 1 7.00 0.00 0.38 0.03 0.07 92.52 12:00:19 2 7.42 0.00 0.39 0.03 0.07 92.09 12:00:19 3 6.87 0.00 0.42 0.02 0.06 92.63 12:10:11 all 7.62 0.08 0.38 0.08 0.07 91.78 12:10:11 0 7.13 0.00 0.39 0.03 0.06 92.39 12:10:11 1 8.13 0.00 0.41 0.06 0.07 91.33 12:10:11 2 7.79 0.00 0.30 0.03 0.06 91.82 12:10:11 3 7.41 0.32 0.41 0.23 0.07 91.56 12:10:11 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 16.05 0.00 0.70 0.03 0.08 83.14 12:20:01 0 15.75 0.00 0.68 0.03 0.08 83.46 12:20:01 1 16.79 0.00 0.73 0.04 0.08 82.36 12:20:01 2 16.09 0.00 0.73 0.05 0.09 83.05 12:20:01 3 15.55 0.00 0.65 0.02 0.07 83.71 Average: all 20.64 0.01 0.95 1.72 0.09 76.59 Average: 0 20.67 0.00 0.94 1.88 0.09 76.43 Average: 1 20.64 0.00 0.96 1.86 0.09 76.45 Average: 2 20.95 0.00 0.99 1.29 0.09 76.68 Average: 3 20.28 0.03 0.92 1.87 0.09 76.81