---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20899 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 708 10871 4 4410 14938 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:db:2b:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79974sec preferred_lft 79974sec inet6 fe80::f816:3eff:fedb:2bfb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:b5:cc:e5:fe:26 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-20899) 02/26/26 _x86_64_ (4 CPU) 08:06:47 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:27 90.27 3.73 82.26 4.28 519.56 30248.52 15413.95 08:30:33 64.65 21.44 26.48 16.73 245.80 1615.67 209073.06 08:40:01 10.43 0.16 9.74 0.52 7.65 355.33 1457.82 08:50:33 11.73 0.25 10.96 0.52 11.17 546.46 817.68 09:00:33 16.60 0.02 15.88 0.70 0.84 494.49 1150.76 09:10:01 7.17 0.01 6.93 0.23 0.86 168.82 135.73 09:20:10 5.88 0.02 5.58 0.28 1.33 207.37 103.32 09:30:33 5.46 0.01 5.27 0.19 1.04 154.05 282.48 09:40:01 10.29 0.01 9.84 0.43 0.44 576.52 113.93 09:50:10 6.93 0.02 6.59 0.31 0.97 273.16 340.64 Average: 23.32 2.60 18.27 2.45 81.40 3591.56 23130.94 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:27 175524 4671288 11252132 68.72 256464 4132824 13006044 74.65 2106032 13408792 3128 08:30:33 3900132 7134764 8799228 53.74 263020 2959728 9495032 54.50 2103392 9799188 232 08:40:01 8552648 11815880 4122668 25.18 264080 2987264 6050300 34.73 2121812 5134772 1112 08:50:33 8240328 11613032 4324532 26.41 269284 3091484 5153080 29.58 2158800 5418912 88 09:00:33 8109640 11551056 4386412 26.79 271840 3157656 5167508 29.66 2165188 5546448 328 09:10:01 10781796 14252092 1686512 10.30 272428 3185940 2971108 17.05 2166972 2883800 14296 09:20:10 6399040 9890652 6045896 36.93 273248 3206436 6841152 39.27 2169556 7235240 144 09:30:33 6590996 10104172 5832352 35.62 273896 3227352 6638328 38.10 2173144 7051028 84 09:40:01 7945028 11579916 4357496 26.61 277888 3341360 5104256 29.30 2181164 5665808 1516 09:50:10 6996316 10679172 5257888 32.11 278804 3388124 6032656 34.63 2200356 6614384 272 Average: 6769145 10329202 5606512 34.24 270095 3267817 6645946 38.15 2154642 6875837 2120 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:27 lo 9.86 9.86 9.86 9.86 0.00 0.00 0.00 0.00 08:20:27 ens3 76.25 53.27 1054.62 5.63 0.00 0.00 0.00 0.00 08:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:33 lo 43.47 43.47 21.23 21.23 0.00 0.00 0.00 0.00 08:30:33 ens3 2.17 1.98 0.54 0.46 0.00 0.00 0.00 0.00 08:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 26.42 26.42 10.93 10.93 0.00 0.00 0.00 0.00 08:40:01 ens3 1.04 0.83 0.25 0.19 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:33 lo 13.09 13.09 6.84 6.84 0.00 0.00 0.00 0.00 08:50:33 ens3 0.93 0.81 0.24 1.22 0.00 0.00 0.00 0.00 08:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:33 lo 16.66 16.66 8.50 8.50 0.00 0.00 0.00 0.00 09:00:33 ens3 1.01 0.82 0.25 0.20 0.00 0.00 0.00 0.00 09:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 16.44 16.44 8.37 8.37 0.00 0.00 0.00 0.00 09:10:01 ens3 0.73 0.66 0.17 0.14 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:10 lo 29.17 29.17 11.58 11.58 0.00 0.00 0.00 0.00 09:20:10 ens3 0.68 0.51 0.15 0.11 0.00 0.00 0.00 0.00 09:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:33 lo 19.70 19.70 10.43 10.43 0.00 0.00 0.00 0.00 09:30:33 ens3 0.71 0.53 0.14 0.11 0.00 0.00 0.00 0.00 09:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 16.92 16.92 10.19 10.19 0.00 0.00 0.00 0.00 09:40:01 ens3 0.92 0.71 0.28 0.22 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:10 lo 23.92 23.92 10.42 10.42 0.00 0.00 0.00 0.00 09:50:10 ens3 1.01 0.77 0.24 0.19 0.00 0.00 0.00 0.00 09:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.52 21.52 10.83 10.83 0.00 0.00 0.00 0.00 Average: ens3 8.86 6.31 110.16 0.88 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-20899) 02/26/26 _x86_64_ (4 CPU) 08:06:47 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:27 all 54.32 0.00 2.46 3.35 0.12 39.75 08:20:27 0 53.51 0.00 2.32 4.54 0.12 39.51 08:20:27 1 54.09 0.00 2.27 2.29 0.12 41.24 08:20:27 2 54.37 0.00 2.54 3.55 0.13 39.41 08:20:27 3 55.31 0.00 2.71 3.01 0.12 38.85 08:30:33 all 50.17 0.00 1.83 0.09 0.13 47.77 08:30:33 0 50.50 0.00 1.77 0.06 0.12 47.55 08:30:33 1 49.89 0.00 1.86 0.09 0.13 48.03 08:30:33 2 50.60 0.00 1.74 0.05 0.13 47.47 08:30:33 3 49.70 0.00 1.96 0.17 0.12 48.04 08:40:01 all 22.74 0.00 0.98 0.03 0.09 76.17 08:40:01 0 22.90 0.00 1.05 0.02 0.08 75.95 08:40:01 1 22.20 0.00 0.92 0.02 0.09 76.76 08:40:01 2 23.89 0.00 0.94 0.04 0.09 75.05 08:40:01 3 21.95 0.00 1.00 0.04 0.09 76.92 08:50:33 all 18.55 0.00 0.64 0.05 0.07 80.69 08:50:33 0 18.69 0.00 0.64 0.06 0.07 80.54 08:50:33 1 18.22 0.00 0.74 0.02 0.07 80.94 08:50:33 2 17.76 0.00 0.61 0.09 0.07 81.47 08:50:33 3 19.53 0.00 0.59 0.02 0.07 79.79 09:00:33 all 26.52 0.00 0.91 0.04 0.08 72.45 09:00:33 0 26.57 0.00 0.86 0.02 0.08 72.46 09:00:33 1 26.72 0.00 0.95 0.03 0.08 72.21 09:00:33 2 25.60 0.00 0.88 0.11 0.08 73.33 09:00:33 3 27.18 0.00 0.93 0.02 0.08 71.80 09:10:01 all 10.58 0.00 0.42 0.02 0.06 88.91 09:10:01 0 10.02 0.00 0.46 0.01 0.06 89.45 09:10:01 1 10.57 0.00 0.43 0.04 0.06 88.90 09:10:01 2 10.35 0.00 0.43 0.02 0.06 89.14 09:10:01 3 11.39 0.00 0.38 0.00 0.06 88.16 09:20:10 all 13.32 0.00 0.49 0.02 0.06 86.11 09:20:10 0 13.56 0.00 0.51 0.01 0.06 85.86 09:20:10 1 13.81 0.00 0.43 0.01 0.06 85.68 09:20:10 2 13.03 0.00 0.60 0.03 0.06 86.28 09:20:10 3 12.88 0.00 0.42 0.03 0.06 86.61 09:30:33 all 10.05 0.00 0.48 0.02 0.07 89.39 09:30:33 0 9.91 0.00 0.44 0.03 0.07 89.56 09:30:33 1 10.19 0.00 0.47 0.01 0.06 89.26 09:30:33 2 10.23 0.00 0.49 0.02 0.07 89.19 09:30:33 3 9.87 0.00 0.51 0.01 0.06 89.54 09:40:01 all 14.17 0.00 0.62 0.03 0.07 85.11 09:40:01 0 13.70 0.00 0.57 0.06 0.07 85.59 09:40:01 1 14.93 0.00 0.69 0.04 0.07 84.28 09:40:01 2 14.20 0.00 0.59 0.01 0.06 85.14 09:40:01 3 13.82 0.00 0.65 0.01 0.07 85.45 09:50:10 all 15.26 0.00 0.56 0.02 0.07 84.10 09:50:10 0 15.65 0.00 0.53 0.03 0.06 83.73 09:50:10 1 15.08 0.00 0.59 0.01 0.07 84.25 09:50:10 2 14.87 0.00 0.60 0.02 0.07 84.45 09:50:10 3 15.44 0.00 0.51 0.03 0.07 83.96 Average: all 23.74 0.00 0.95 0.38 0.08 74.85 Average: 0 23.68 0.00 0.92 0.50 0.08 74.82 Average: 1 23.73 0.00 0.94 0.27 0.08 74.97 Average: 2 23.66 0.00 0.95 0.41 0.08 74.90 Average: 3 23.89 0.00 0.97 0.35 0.08 74.71