---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18942 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 707 10943 3 4338 14939 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:74:17:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79850sec preferred_lft 79850sec inet6 fe80::f816:3eff:fe74:17f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:8f:19:fa:1a:32 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-18942) 02/19/26 _x86_64_ (4 CPU) 12:34:10 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 94.98 24.05 67.70 3.23 326.57 9634.66 3293.91 13:00:01 16.11 0.12 15.10 0.88 4.28 389.05 782.82 13:10:01 8.33 0.09 7.89 0.35 5.82 258.64 522.94 13:20:02 35.30 0.12 18.96 16.22 5.79 886.09 211854.83 13:30:02 10.37 0.04 9.90 0.43 1.91 317.20 245.53 13:40:02 4.42 0.04 4.21 0.17 1.52 131.37 284.72 13:50:02 5.31 0.01 5.13 0.18 1.05 162.19 70.59 14:00:18 5.39 0.00 5.18 0.20 0.32 161.20 451.69 14:10:19 11.80 0.02 11.19 0.59 1.08 684.21 574.02 14:20:19 5.79 0.02 5.59 0.18 0.52 190.75 63.26 Average: 19.74 2.44 15.06 2.24 34.78 1278.22 21769.63 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 6005368 9101060 6834320 41.74 258096 2827100 8700164 49.94 2003632 7806700 2240 13:00:01 3691844 6810428 9124340 55.73 260736 2847404 9730036 55.85 2038644 10058040 732 13:10:01 6519160 9664224 6271844 38.31 261688 2872936 6981676 40.07 2046948 7253328 284 13:20:02 10183632 13495956 2443824 14.93 268392 3033404 3071384 17.63 2082388 3566192 184 13:30:02 7995352 11352948 4585512 28.01 269564 3077504 5260888 30.20 2085452 5744776 356 13:40:02 7928128 11304764 4633628 28.30 270012 3096100 5339036 30.65 2086936 5795592 572 13:50:02 6487816 9886748 6050712 36.96 270688 3117716 6762416 38.82 2089056 7242468 416 14:00:18 6488388 9910184 6027244 36.81 271336 3139940 6754436 38.77 2092196 7239440 292 14:10:19 7814236 11381656 4556620 27.83 275632 3281168 5194344 29.82 2108344 5897448 280 14:20:19 6787784 10384516 5553176 33.92 276316 3309800 6093028 34.97 2119504 6898540 316 Average: 6990171 10329248 5608122 34.25 268246 3060307 6388741 36.67 2075310 6750252 567 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 21.97 21.97 17.51 17.51 0.00 0.00 0.00 0.00 12:50:00 ens3 2.38 2.02 0.70 1.66 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 47.15 47.15 20.46 20.46 0.00 0.00 0.00 0.00 13:00:01 ens3 1.50 1.56 0.31 0.28 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 16.97 16.97 8.28 8.28 0.00 0.00 0.00 0.00 13:10:01 ens3 0.59 0.40 0.16 0.11 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 13:20:02 lo 13.92 13.92 6.90 6.90 0.00 0.00 0.00 0.00 13:20:02 ens3 1.60 1.02 0.44 0.33 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 19.19 19.19 10.04 10.04 0.00 0.00 0.00 0.00 13:30:02 ens3 0.77 0.63 0.15 0.13 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 17.51 17.51 6.67 6.67 0.00 0.00 0.00 0.00 13:40:02 ens3 0.60 0.42 0.14 0.10 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 25.57 25.57 11.00 11.00 0.00 0.00 0.00 0.00 13:50:02 ens3 0.64 0.47 0.15 0.12 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:18 lo 17.34 17.34 10.35 10.35 0.00 0.00 0.00 0.00 14:00:18 ens3 0.67 0.52 0.16 0.12 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 14:10:19 lo 18.81 18.81 10.27 10.27 0.00 0.00 0.00 0.00 14:10:19 ens3 1.21 0.92 0.40 0.31 0.00 0.00 0.00 0.00 14:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:19 lo 32.26 32.26 12.52 12.52 0.00 0.00 0.00 0.00 14:20:19 ens3 0.70 0.55 0.15 0.11 0.00 0.00 0.00 0.00 14:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.05 23.05 11.40 11.40 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.85 0.28 0.33 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-18942) 02/19/26 _x86_64_ (4 CPU) 12:34:10 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 57.70 0.00 2.14 0.22 0.11 39.84 12:50:00 0 58.36 0.00 2.18 0.13 0.11 39.24 12:50:00 1 56.91 0.00 2.10 0.13 0.11 40.75 12:50:00 2 58.13 0.00 2.13 0.28 0.10 39.36 12:50:00 3 57.39 0.00 2.15 0.33 0.11 40.02 13:00:01 all 36.02 0.00 1.43 0.04 0.09 62.42 13:00:01 0 36.25 0.00 1.32 0.03 0.09 62.31 13:00:01 1 35.48 0.00 1.47 0.02 0.09 62.94 13:00:01 2 35.89 0.00 1.48 0.10 0.09 62.44 13:00:01 3 36.47 0.00 1.44 0.01 0.09 61.98 13:10:01 all 16.45 0.00 0.68 0.03 0.07 82.77 13:10:01 0 16.70 0.00 0.61 0.05 0.06 82.58 13:10:01 1 16.34 0.00 0.70 0.02 0.07 82.87 13:10:01 2 16.60 0.00 0.79 0.05 0.07 82.50 13:10:01 3 16.15 0.00 0.64 0.02 0.07 83.13 13:20:02 all 29.35 0.00 1.06 0.09 0.07 69.43 13:20:02 0 28.60 0.00 1.13 0.05 0.07 70.15 13:20:02 1 29.21 0.00 1.10 0.03 0.08 69.58 13:20:02 2 29.35 0.00 0.93 0.15 0.07 69.49 13:20:02 3 30.25 0.00 1.06 0.12 0.08 68.49 13:30:02 all 17.85 0.00 0.63 0.03 0.06 81.42 13:30:02 0 17.57 0.00 0.58 0.04 0.06 81.75 13:30:02 1 17.64 0.00 0.58 0.01 0.06 81.70 13:30:02 2 18.00 0.00 0.69 0.06 0.07 81.18 13:30:02 3 18.17 0.00 0.68 0.03 0.06 81.06 13:40:02 all 7.71 0.00 0.34 0.03 0.05 91.88 13:40:02 0 7.60 0.00 0.34 0.01 0.04 92.01 13:40:02 1 7.26 0.00 0.31 0.01 0.05 92.37 13:40:02 2 7.80 0.00 0.33 0.09 0.05 91.72 13:40:02 3 8.17 0.00 0.37 0.02 0.05 91.40 13:50:02 all 10.40 0.00 0.48 0.02 0.06 89.04 13:50:02 0 10.04 0.00 0.41 0.04 0.05 89.46 13:50:02 1 10.01 0.00 0.49 0.02 0.06 89.42 13:50:02 2 10.90 0.00 0.53 0.02 0.06 88.50 13:50:02 3 10.66 0.00 0.51 0.01 0.06 88.76 14:00:18 all 9.51 0.00 0.37 0.02 0.06 90.04 14:00:18 0 9.64 0.00 0.29 0.02 0.06 89.99 14:00:18 1 9.64 0.00 0.44 0.01 0.06 89.85 14:00:18 2 9.59 0.00 0.41 0.04 0.06 89.90 14:00:18 3 9.18 0.00 0.35 0.01 0.05 90.41 14:10:19 all 19.85 0.00 0.70 0.04 0.07 79.34 14:10:19 0 19.86 0.00 0.74 0.07 0.07 79.26 14:10:19 1 20.23 0.00 0.72 0.03 0.06 78.96 14:10:19 2 19.72 0.00 0.64 0.04 0.07 79.53 14:10:19 3 19.61 0.00 0.68 0.02 0.07 79.62 14:20:19 all 10.37 0.00 0.48 0.02 0.06 89.07 14:20:19 0 9.71 0.00 0.43 0.02 0.05 89.79 14:20:19 1 10.83 0.00 0.49 0.01 0.06 88.62 14:20:19 2 10.59 0.00 0.50 0.02 0.06 88.83 14:20:19 3 10.36 0.00 0.48 0.05 0.06 89.05 Average: all 21.50 0.00 0.83 0.06 0.07 77.55 Average: 0 21.41 0.00 0.80 0.05 0.07 77.68 Average: 1 21.33 0.00 0.84 0.03 0.07 77.73 Average: 2 21.63 0.00 0.84 0.09 0.07 77.37 Average: 3 21.61 0.00 0.84 0.06 0.07 77.42