---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13794 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 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 697 10775 3 4515 14949 Swap: 1023 1 1022 ---> 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:33:77:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79926sec preferred_lft 79926sec inet6 fe80::f816:3eff:fe33:7704/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:86:8d:4b:34:b8 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-13794) 02/18/26 _x86_64_ (4 CPU) 12:29:23 LINUX RESTART (4 CPU) 12:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:08 142.38 11.83 124.66 5.89 1825.38 42474.82 18310.21 12:50:04 55.96 23.11 31.18 1.67 220.75 1838.49 2389.61 13:00:35 27.85 0.19 11.76 15.90 5.37 365.05 200887.51 13:10:35 12.13 0.08 11.52 0.52 4.53 578.92 754.07 13:20:35 15.92 0.02 15.22 0.68 0.67 491.11 659.08 13:30:11 6.70 0.00 6.44 0.25 0.44 207.69 510.86 13:40:35 5.64 0.01 5.38 0.25 1.01 160.43 1143.23 13:50:35 5.27 0.00 5.08 0.18 0.31 157.17 265.80 14:00:21 9.26 0.02 8.80 0.43 0.71 555.95 106.03 14:10:35 5.14 0.00 4.98 0.15 0.34 158.72 71.70 Average: 28.75 3.51 22.57 2.66 207.13 4728.63 23417.34 12:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:08 1621524 9846936 6075176 37.10 252204 7766092 7677952 44.07 2148788 11837084 1448 12:50:04 8281304 11684812 4247984 25.94 257264 3123980 5401476 31.00 2055964 5455128 3772 13:00:35 1379312 4814944 11117300 67.90 261312 3151860 12374832 71.03 2075192 12322056 372 13:10:35 8032772 11582132 4354388 26.59 265864 3260968 5161396 29.63 2101120 5673508 176 13:20:35 7777804 11396864 4539620 27.73 268464 3328064 5296600 30.40 2107572 5923280 216 13:30:11 8926408 12573900 3363288 20.54 269344 3355616 4945428 28.39 2109348 4779204 632 13:40:35 6282292 9951068 5984400 36.55 269932 3376324 6722076 38.58 2111608 7400224 268 13:50:35 6206988 9896724 6038704 36.88 270644 3396580 6758244 38.79 2114860 7483196 244 14:00:21 7662588 11473088 4463340 27.26 274724 3510120 5281392 30.32 2122704 6023476 156 14:10:35 7286620 11121080 4815228 29.41 275260 3533480 5384448 30.91 2131088 6372652 204 Average: 6345761 10434155 5499943 33.59 266501 3780308 6500384 37.31 2107824 7326981 749 12:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:08 lo 3.40 3.40 4.20 4.20 0.00 0.00 0.00 0.00 12:40:08 ens3 162.99 121.46 2082.73 18.13 0.00 0.00 0.00 0.00 12:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:04 lo 39.42 39.42 22.39 22.39 0.00 0.00 0.00 0.00 12:50:04 ens3 2.05 1.82 0.45 0.39 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:35 lo 34.27 34.27 15.04 15.04 0.00 0.00 0.00 0.00 13:00:35 ens3 1.12 0.95 0.21 0.18 0.00 0.00 0.00 0.00 13:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:35 lo 16.01 16.01 6.87 6.87 0.00 0.00 0.00 0.00 13:10:35 ens3 1.39 0.84 0.47 0.34 0.00 0.00 0.00 0.00 13:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:35 lo 15.92 15.92 7.98 7.98 0.00 0.00 0.00 0.00 13:20:35 ens3 1.14 0.79 0.28 0.20 0.00 0.00 0.00 0.00 13:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:11 lo 15.80 15.80 8.14 8.14 0.00 0.00 0.00 0.00 13:30:11 ens3 0.71 0.54 0.13 0.10 0.00 0.00 0.00 0.00 13:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:35 lo 29.73 29.73 11.95 11.95 0.00 0.00 0.00 0.00 13:40:35 ens3 0.68 0.45 0.16 0.12 0.00 0.00 0.00 0.00 13:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:35 lo 19.22 19.22 10.24 10.24 0.00 0.00 0.00 0.00 13:50:35 ens3 0.71 0.55 0.14 0.11 0.00 0.00 0.00 0.00 13:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:21 lo 16.69 16.69 10.00 10.00 0.00 0.00 0.00 0.00 14:00:21 ens3 0.92 0.70 0.27 0.21 0.00 0.00 0.00 0.00 14:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:35 lo 16.03 16.03 6.88 6.88 0.00 0.00 0.00 0.00 14:10:35 ens3 0.70 0.56 0.17 0.13 0.00 0.00 0.00 0.00 14:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.74 20.74 10.38 10.38 0.00 0.00 0.00 0.00 Average: ens3 17.36 12.96 210.11 2.00 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-13794) 02/18/26 _x86_64_ (4 CPU) 12:29:23 LINUX RESTART (4 CPU) 12:30:00 CPU %user %nice %system %iowait %steal %idle 12:40:08 all 47.77 0.00 2.84 8.11 0.13 41.16 12:40:08 0 48.11 0.00 3.00 9.29 0.13 39.48 12:40:08 1 49.45 0.00 2.90 6.13 0.12 41.40 12:40:08 2 48.37 0.00 2.67 7.35 0.15 41.47 12:40:08 3 45.16 0.00 2.78 9.65 0.12 42.29 12:50:04 all 60.40 0.00 2.44 0.68 0.19 36.28 12:50:04 0 59.82 0.00 2.50 0.42 0.19 37.07 12:50:04 1 60.23 0.00 2.43 1.02 0.19 36.13 12:50:04 2 61.07 0.00 2.36 1.02 0.18 35.38 12:50:04 3 60.50 0.00 2.48 0.26 0.21 36.55 13:00:35 all 37.27 0.00 1.76 0.22 0.16 60.58 13:00:35 0 37.48 0.00 1.84 0.03 0.15 60.51 13:00:35 1 37.23 0.00 1.81 0.67 0.15 60.13 13:00:35 2 37.14 0.00 1.78 0.13 0.19 60.75 13:00:35 3 37.24 0.00 1.61 0.06 0.17 60.93 13:10:35 all 19.26 0.00 0.97 0.16 0.09 79.52 13:10:35 0 19.34 0.00 1.03 0.05 0.09 79.49 13:10:35 1 18.99 0.00 1.00 0.21 0.10 79.71 13:10:35 2 19.37 0.00 0.95 0.28 0.09 79.31 13:10:35 3 19.32 0.00 0.89 0.10 0.10 79.58 13:20:35 all 29.06 0.00 1.04 0.15 0.10 69.65 13:20:35 0 29.82 0.00 1.14 0.18 0.09 68.78 13:20:35 1 28.65 0.00 0.98 0.25 0.10 70.02 13:20:35 2 28.57 0.00 0.96 0.13 0.11 70.24 13:20:35 3 29.18 0.00 1.10 0.06 0.10 69.56 13:30:11 all 12.90 0.00 0.65 0.03 0.06 86.35 13:30:11 0 12.65 0.00 0.68 0.01 0.06 86.59 13:30:11 1 13.02 0.00 0.62 0.04 0.07 86.25 13:30:11 2 12.67 0.00 0.71 0.05 0.07 86.51 13:30:11 3 13.27 0.00 0.59 0.01 0.06 86.07 13:40:35 all 12.51 0.00 0.47 0.02 0.07 86.94 13:40:35 0 12.30 0.00 0.51 0.01 0.06 87.11 13:40:35 1 12.50 0.00 0.44 0.03 0.07 86.96 13:40:35 2 12.49 0.00 0.49 0.02 0.07 86.93 13:40:35 3 12.74 0.00 0.43 0.02 0.06 86.74 13:50:35 all 10.74 0.00 0.46 0.13 0.06 88.60 13:50:35 0 10.37 0.00 0.44 0.01 0.06 89.12 13:50:35 1 10.94 0.00 0.46 0.32 0.06 88.22 13:50:35 2 10.87 0.00 0.52 0.11 0.07 88.42 13:50:35 3 10.76 0.00 0.43 0.09 0.06 88.66 14:00:21 all 14.36 0.00 0.61 0.40 0.11 84.52 14:00:21 0 14.51 0.00 0.60 0.07 0.07 84.75 14:00:21 1 14.52 0.00 0.57 0.49 0.22 84.20 14:00:21 2 14.91 0.00 0.65 1.02 0.07 83.36 14:00:21 3 13.50 0.00 0.63 0.03 0.07 85.77 14:10:35 all 9.00 0.00 0.48 0.07 0.07 90.39 14:10:35 0 9.20 0.00 0.43 0.02 0.08 90.27 14:10:35 1 9.17 0.00 0.56 0.02 0.07 90.18 14:10:35 2 9.05 0.00 0.53 0.12 0.07 90.23 14:10:35 3 8.57 0.00 0.41 0.11 0.06 90.86 Average: all 25.35 0.00 1.17 1.00 0.10 72.37 Average: 0 25.39 0.00 1.22 1.01 0.10 72.28 Average: 1 25.48 0.00 1.18 0.92 0.11 72.30 Average: 2 25.48 0.00 1.16 1.02 0.11 72.23 Average: 3 25.06 0.00 1.14 1.04 0.10 72.66